BritishTunicataPlate12

Description:

Description: English: Alder, Joshua, Embleton, Dennis, Hancock, Albany, Hopkinson, John,Norman, Alfred Merle ,1905-12 The British Tunicata; an unfinished monograph, by the late Joshua Alder and the late Albany Hancock. Edited by John Hopkinson, with a history of the work by the Rev. A. M. Norman.London,Printed for the Ray society. Volume 1 Plate 12 Ascidia sordida A and H (p.119 ) accepted name Ascidiella aspersa (Müller, 1776) FIG. 1 Mantle. The male caeca, leading to the blood-channel above the test, are well shown. 2. Mantle, laid open exposing the brachial sac, mouth and oral lamina &c 3 Mantle and brachial sac laid open. The ovary is well-shown, with the oviduct lying close to the intestine. 3 Mantle and brachial sac laid open. The nearly circular markings are the male caeca. Twice life size. EXPLANATION OF THE LETTERING. [all plates] br. Branchial aperture.br.s. Branchial sac.b.t. Branchial tubercle. en. Endostyle.i. Intestine.m. Mantle.mo. Mouth.n.g. Nerve-ganglion.oe. (Esophagus.od. Oviduct.o.l. Oral lamina.t. Test t.c. Tentacular collar.tn. Tentacles.ts. Testis.v. Ovary v.t. Blood-vessels leading to test. Date: 1850s date QS:P,+1850-00-00T00:00:00Z/8. Source: https://www.biodiversitylibrary.org/. Author: Alder and Hancock.