BritishTunicataPlate3

Description:

Description: English: Alder, Joshua, Embleton, Dennis, Hancock, Albany, Hopkinson, John,Norman, Alfred Merle ,1905-12The 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 3 PLATE III. Ascidia mentula Mull. (p. 75) accepted as Ascidia mentula Müller, 1776 FIG. 1. Aperture of branchial sac. 2. Central portion of ventral blood-channel, continued at x in fig. 3a. vessel leading from mantle and appearing to open into lateral vessel at b (repeated above and below), and perhaps into net-work of vessels in space c , d (repeated below), vessel leading from mantle to branchial vessel e, and apparently opening into it. 4. Heart, with blood-channels leading from it. 5. Endostyle; anterior end. All the figures magnified. 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 Hancock.