A Treatise on Zoology Volume 5

9781130610352: A Treatise on Zoology Volume 5
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 Excerpt: ... Adams. The anterior tentacles form a frontal veil; the foot rather broad. Genera--Tritonia, Cuvier; stomach without horny plates; British (Fig. 83). Marionia, Vayssifere; stomach with homy plates. Family 2. Scyllaeidae, Alder and Hancock. No anterior tentacles; dorsal appendages broad and foliaceous; foot very narrow; stomach with horny plates. Genus--Scyllaea, Linnaeus; pelagic. Family 3. PhyllirHoidae, Adams. No anterior tentacles and no dorsal appendages; body laterally compressed; transparent natatory forms. Genus--Phyllirhoe, Peron and Lesueur (Fig. 161). Family 4. Tethyidae, Alder and Hancock. Head broad, surrounded by a funnel-shaped velum or hood no radula; dorsal appendages foliaceous. Genera--Tethys, Linnaeus foot broad; no mandibles (Fig. 160, B). Melibe, Rang; foot narrow mandibles present. Family 5. Dendronotidae, Alder and Hancock. Anterior tentacles forming a scolloped frontal veil; dorsal appendages and tentacles similarly ramified. Genera--Dendronotus, Alder and Hancock; British. Campaspe, Bergh. Family 6. Bornellidae, Fischer. The dorsum garnished on either side with papillae at the bases of which are Fio. 160. A, Eolis papulosa, dorsal view: a, posterior cephalic tentacle (rhinophore); o, anterior cephalic tentacle; c, the dorsal papillae. B, Tethys Uporina, dorsal view; a, the cephalic hood; b, cephalic tentacle; r, neck; d, genital pore; e, anus; /, large dorsal papillae; g, smaller dorsal papillae; h, margin of the foot, C, Doris tubcrmlata, seen from the pedal surface; bt margin of the head; /, sole of the foot; m, mouth; sp, the mantle. D, E, dorsal and lateral view of Elysia viridis; b, tentaclo; cp, lateral outgrowths. (From Lank ester, after Hancock, Cuvier, and AUmann.) Fio. 161. Phyllirhoe buccphalum, right-side view; the inter...

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