. Amphioxus and the ancestry of the vertebrates [microform]. Vertebrates; Chordata; Fishes; Ascidiacea; Vertébrés; Cordés; Poissons; Ascidiacés. w 184 7'//A ASC/DIAAS. "-! ⢠Vu 'â 'i m w .1, W. \ r:y an. Fig. 94. â Diagram of a dissection of Ascidia, from the right side. (After Hkriiman.) The peribranchial cavity is indicated by the black shading. an. Anus. ;!. Atrial siphon, Cerebral ganglion, beneath which is the subncural gland and its duct. Dorsal lamina, end. Endostyle. g. Gonad. Genital duct. ////. Intestine. 111. Muscular mantle, oes. Aperture,


. Amphioxus and the ancestry of the vertebrates [microform]. Vertebrates; Chordata; Fishes; Ascidiacea; Vertébrés; Cordés; Poissons; Ascidiacés. w 184 7'//A ASC/DIAAS. "-! ⢠Vu 'â 'i m w .1, W. \ r:y an. Fig. 94. â Diagram of a dissection of Ascidia, from the right side. (After Hkriiman.) The peribranchial cavity is indicated by the black shading. an. Anus. ;!. Atrial siphon, Cerebral ganglion, beneath which is the subncural gland and its duct. Dorsal lamina, end. Endostyle. g. Gonad. Genital duct. ////. Intestine. 111. Muscular mantle, oes. Aperture, leading from branchial sac into tL'Sophagus. ot .s. Buccal siphon, ph. Branchial sac. .?/. Stomach. /. Test or cellulose mantle, fn. Buccal or coronary tentacles. ty. Typhlosole; internal fold of intestinal wall, to increase the digestive Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Willey, Arthur, 1867-1942. New York; London : Mcmillan


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectfishes, bookyear1894