ClipArt ETC
"'Nurse' of Doliolum mulleri. I., Inhalant, E., exhalant aperture; C., ciliated band round pharynx (P.); En., endostyle; O., "otocyst"; N., nerve-ganglion; H., heart; (E., oesophageal opening; D., stomach; A., anus; Cl., cloaca; DO., dorsal organ; M., muscle bands." -Thomson, 1916

Doliolum Mulleri

"'Nurse' of Doliolum mulleri. I., Inhalant, E., exhalant aperture; C., ciliated band round pharynx (P.);…

"Sexual individual of Doliolum mulleri. G., gonads; B., gill-slits; I., Inhalant, E., exhalant aperture; C., ciliated band round pharynx (P.); En., endostyle; O., "otocyst"; N., nerve-ganglion; H., heart; (E., oesophageal opening; D., stomach; A., anus; Cl., cloaca; DO., dorsal organ; M., muscle bands." -Thomson, 1916

Doliolum Mulleri

"Sexual individual of Doliolum mulleri. G., gonads; B., gill-slits; I., Inhalant, E., exhalant aperture;…

Ascidia Podunculata (Milne-Edwards) "The Tunicata would not probably by taken for animals at first sight. They have neither arms, nor head, nor feet; but then they have a mouth, placed at the entrance of a digestive tube. It is a single ganglion, connected with divers small threads."

Social Tunicates

Ascidia Podunculata (Milne-Edwards) "The Tunicata would not probably by taken for animals at first sight.…

Diagram of a longitudinal section through a tunicate or ascidian (sea squirt).

Tunicate

Diagram of a longitudinal section through a tunicate or ascidian (sea squirt).