A treatise on zoology . »L ^f. Ym. IV. 1.—Cucumaria pentactes (Linn.), opened along the right of the median dorsal line ; theright respiratory tree has been cut short. 2.—Spicule ; 3.—Oral view; and 4.—Left side viewof the same. 5.—Inner view of a retracted C. jientartes, from which the dorsal region of the bodj-wallhas been removed, and the viscera extracted, to show the action of the retractor muscles. G.—Portion of the calcareous ring of Onvla tenera, Ludw. (After Ludwig.) 7.—Diagrammatic drawing of lUiopolodina lageniforniis, Gray. (After Lang.) S.— Dorsal view of Psolus nntardkus (Phiiipp
A treatise on zoology . »L ^f. Ym. IV. 1.—Cucumaria pentactes (Linn.), opened along the right of the median dorsal line ; theright respiratory tree has been cut short. 2.—Spicule ; 3.—Oral view; and 4.—Left side viewof the same. 5.—Inner view of a retracted C. jientartes, from which the dorsal region of the bodj-wallhas been removed, and the viscera extracted, to show the action of the retractor muscles. G.—Portion of the calcareous ring of Onvla tenera, Ludw. (After Ludwig.) 7.—Diagrammatic drawing of lUiopolodina lageniforniis, Gray. (After Lang.) S.— Dorsal view of Psolus nntardkus (Phiiippi). (After theel.) P.—Left side view of Sphoerothiiria bitentacnlata, Ludw. (After Ludwig.) 10.—Theelia oinhnlutrix. Bell. 11.—Tliyone fti--:, anti-mesenterial blood-vessel; ?>.?, body-wall; , calcareous ring ; , circular?water-vascular canal ; d, cloaca ; g, gonad ; r/.fl, genital duct; , genital pore ; f, intestine ;, interradial piece; , le
Size: 1418px × 1762px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectzoology
