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| Keywords: BritishTunicataPlate9.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 2 Plate 22 PLATE IX Ascidia venosa Müll p 102 synonym for Ascidia virginea Müller 1776 FIG 1 The mantle 2 Test and mantle laid open The tentacles tentacular collar endostyle on right branchial tubercle oral lamina with gland under nerve-ganglion opposite b s and mouth c are shown 3 Test laid open showing apertures of mantle intestine blood vessels leading to test c 4 Mantle with most of branchial sac laid open - ™ opening of female duct ™‚ opening of male duct The pointer from r t is carried in error across the vessel About two and a half times natural 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 http //www biodiversitylibrary org/ Alder and Hancock s 1850 Joshua Alder and Albany Hancock British Tunicata Volume 1 Tunicata anatomy Ascidia virginea PD-old Ä– | ||||
