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| Keywords: BritishTunicataPlate13.jpg en 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 13 XIII Ascidia sordida A and H p 119 accepted name Ascidiella aspersa Müller 1776 REPRODUCTION 1 Test and mantle laid open showing reproductive organs- ovary in centre male caeca on either side and oviduct full of eggs mostly passing out in single series almost twice natural size 2 Anal aperture oviduct and vas deferens magnified Cf Plate XII figs 3 and 4 File BritishTunicataPlate12 jpg 3 Aperture of oviduct a and of vas deferens b more highly magnified 4-6 Clusters of eggs highly magnified 7 A single ovum showing glassy layer a and yolk b 8 Male caeca magnified http //www biodiversitylibrary org/ Alder and Hancock s 1850 Joshua Alder and Albany Hancock British Tunicata Volume 1 Ascidiella aspersa Tunicata anatomy PD-old | ||||
