Maxwell lefroy h (98 resultados)

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Condición: New. pp. xii + 318 346 Illus.

Condición: New.

Condición: New. pp. xii + 318 Index 2nd Reprint.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Condición: New. pp. xii + 318.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Condición: New.

Condición: Poor. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In poor condition, suitable as a reading copy. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,1000grams, ISBN.…

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Condición: New. pp. xii + 786 536 Figures Map.

Hardbound. Condición: As New. Reprint. Contents I. Insects in general 1. Insects their structure and food. 2. Life history and habits. 3. Form and colour. 4. Classification and nomenclature. II. Preventive and remedial measures 5. Origin of insect pests. 6. Preventive and remedial measures. 7. Insecticides and spraying. III. Insects injurious to crops 8. Pests of the cotton plant. 9. Pests of rice and wheat. 10. Pests of cane maize and sorghum. 11. Pests of leguminous crops. 12. Pests of miscellaneous field crops. 13. Pests of vegetable crops. 14. Pests of fruit. 15. Caterpillar pests. 16. Beetle pests. 17. Locusts grasshoppers surface beetles and burrowing insects. 18. Sucking insects. IV. Other important insects 19. Insects infesting grain. 20. Insects attacking cattle. 21. Beneficial insects. Appendixes i. Useful information. ii. Collecting pinning setting. General index. List of illustrations. List of plants. The object of this book is to serve useful purpose of a manual of practical information for the use of intelligent agriculturalist in the protection of his crops from insect pests and provide a suitable textbook for use in agricultural and schools and colleges to acquaint them with the working knowledge of insect pests and of the practical measures for the protection of crops. This book is a testimony to the strenuous efforts made during a decade of years in the field of economic entomology dealing with insect pests and their treatment by the author. In this book the author has given a short account of the general features of the lives of insects as well as salient facts concerning destructive pests and closely concerned his study with the part played by them in the reduction of the yield of the staple crops of the country and based his study on the Indian Museum notes and other literature besides his and his other colleagues in the filed and valuable information collected from Mamlatdar Tehsildar to the high officials of the Government of India namely Director of Agriculture Imperial Entomologist Botanists and Horticulturist the illustrations are largely the work of the artist in the Indian Museum Babu C.C. Chakraburthy and remaining were prepared by other artists under the supervision of the author. 318 pp. …

Condición: New. pp. xii + 786, Map, Index.

Condición: New. pp. xii + 786.

Paperback. Condición: New. Print on Demand. This book delves into the world of Eri silk, an exquisite and durable natural silk derived from the cocoons of the Eri silkworm. The author provides comprehensive instructions for rearing these worms, from hatching to spinning and harvesting cocoons. Detailed descriptions of the stages of the worm's life cycle and the methods of feeding, cleaning, and managing the silkworms are included. The author also explores the cultural significance of Eri silk in India and examines the potential for its use in the production of commercial textiles and garments. This book is an invaluable resource for entomologists, textile enthusiasts, and anyone interested in the sustainable production of natural fibers. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. …

Taschenbuch. Condición: Neu. Neuware - This book provides a comprehensive overview of the most common insect pests in India and their impact on agriculture. The author, a respected entomologist, offers practical guidance on how to identify, prevent, and control infestations, using both traditional and modern methods. The book is an essential resource for farmers, agronomists, and anyone interested in sustainable agriculture in India.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the 'public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

Hardbound. Condición: As New. Reprint. Contents Acknowledgements. Classification adopted. 1. Introduction i. Diagnosis. ii. Zoological position. iii. Instinct and habit. iv. Classification. v. Number of species. vi. Nomenclature. vii. Identification. viii. Entomology in India. ix. Zoo geographical divisions. x. Food and habitat. xi. Insects and man. 2. Aptera. 3. Orthoptera i. Where insects live. ii. Cosmopolitan insects. iii. Deceptive colouring. iv. Attraction to light. 4. Neuroptera i. Gregariousness. ii. Aquatic insects. iii. Relative duration of life. 5. Hymenoptera i. Galls. ii. Size of insects. iii. Sex. iv. Insects and flowers. 6. Coleoptera i. Myrmecophilous insects. ii. Insects as food. 7. Lepidoptera i. Migration. ii. Emergence from the cocoon. iii. Silk. iv. How insects protect themselves. 8. Thysanoptera. 9. Diptera i. Blood sucking insects. 10. Rhynchota i. Song in insects. Index of plants. General Index. 786 pp.…

Paperback. Condición: New. Print on Demand. This book is primarily an agricultural guide for identifying and combating insect pests that are particularly destructive to crops in India. The author notes that while there has been some progress in this area within India, significantly more research is needed to provide an effective resource for the nation's agricultural sector. The author's goal is to assemble information on pests and remedies, both as a practical guide for farmers and as a foundation for future research that will allow India's entomological knowledge to catch up with the rest of the world. The book includes specific information on identifying pests, the life cycles of various insects, common and scientific names for pests, specific plants that pests attack, and potential control and treatment methods, including pesticides. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

Taschenbuch. Condición: Neu. Neuware - 'Manual of Entomology' is an extensive and detailed survey of the world of insects, authored by the renowned entomologist H. Maxwell Lefroy. This work was compiled as a comprehensive guide to provide a systematic overview of the vast diversity within the class Insecta. The book offers a rigorous examination of insect morphology, anatomy, and life cycles, while categorizing species into their respective orders with scientific precision.Lefroy's expertise is evident in his treatment of both common and rare specimens, offering readers a deep dive into the physiological complexities and behavioral traits that define various insect families. From the intricate structures of wings and mouthparts to the ecological roles these creatures play in their environments, 'Manual of Entomology' serves as a foundational text in the field of zoology. It remains a valuable resource for those interested in the history of biological sciences and the classification of the natural world. With its clear organization and thorough documentation, the work captures the state of entomological knowledge during a significant era of scientific discovery and study.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you may see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

Buch. Condición: Neu. Neuware - This book provides a comprehensive overview of the most common insect pests in India and their impact on agriculture. The author, a respected entomologist, offers practical guidance on how to identify, prevent, and control infestations, using both traditional and modern methods. The book is an essential resource for farmers, agronomists, and anyone interested in sustainable agriculture in India.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the 'public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

Hardcover. Condición: Good+. First Edn. C 4to. 786pp. Illus., 12 b&w., 72 Col.plates. Rebound in cream buckram. Bindinf deatails on 2nd ffep, tape reinforcement on back of frontispiece map, in inscription on back of title page, acknowledgment and contents page torn with loss of text, plates 34, 43 and 44 missing, dame to plate 42 andto page 479-482 occasioned by removal of plate 43, blind tear, reinforced with tap on p781/782, p784 torn with loss of part of margin. Book.…

Hardback. Condición: Poor. No Dw. 1st Edition. Original decorated cream cloth. Fairly clean tight text and plates BUT DAMP MARKING MOSTLY TO EDGES OF FIRST THIRD OF BOOK. Rear inner hinge BROKEN. This is just a poor working copy. SOLD AS IS WITH ALL FAULTS. SPECIAL POSTAGE RATES APPLY (GB 2023 £8) Packed weight 3200g. NOT AVAILABLE OVERSEAS. …