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PACIFIC SCIENCE, VoL XV, January 1961 
FIG. 3. Chelyosoma inaequale. a, Dorsal view of disc; b, oral siphon from anterior left side; c, dorsal 
tubercle and anterior dorsal languets; d, small area of pharynx, viewed from interior; e , anal margin. 
plane in the largest specimen) flanked by 2 or 
3 rows of peripheral plates. Internally the speci- 
mens agree favorably with Redikorzev’s ac- 
count, particularly in the unusual complexity of 
the pharyngeal wall. The only previous figure 
of the species is Redikorzev’s sketch of the en- 
tire animal, which shows few details. 
distribution: Sea of Okhotsk, west coast 
of Alaska off Teller and Point Hope (but see 
Van Name, 1945 ) . 
REFERENCES 
Arnback-Christie-Linde, A. 1934. Tunica ta, 
4. Cionidae, Ascidiidae, Agnesiidae, Rhodo- 
somatidae. In: Northern and arctic inverte- 
brates in the collection of the Swedish State 
Museum. K. Svensk. Vetens. Akad. Handl. 
(3rd ser.) 13(3): 1-91, 6 pis., 22 figs. 
Hartmeyer, R. 1924. Ascidiacea, Pt. 2. Dan. 
Ingolf-Exped. 2(7): 1-278, 45 figs., 1 map. 
