PACIFIC TUNIC ATA OF U.S. NATIONAL AIUSEUM 17 



THALIACEA 



Family Doliolidae 



120. Doliolum denticii latum Qiioy «& Gaimard. Pacific, Japan, North Atlantic; 



121. BoJiolum nationalis Borgert. I'acific, Gulf of Mexico. 



122. DoUolctta gegenbauri (Uljanin). Gulf of Mexico, Eastern Pacific, Gulf of 

 California. 



123. DoUoletta gegenhanri tritonis (Herdman). Pacific, North Atlantic. 



124. DoUoUna inter medium- (Neumann). North Pacific, Gulf of Mexico. 



Family Salpidae 



125. Salpa maxima var. t iihercuhtt a MetcnU. Philippines. 

 12G. Salpa ci/lindriea Cuvier. Philippines. 



127. lasis zonaria (Pallas). Philippines. 



128. Metcalfina liexagona (Quoy & Gaimard). Philippines, South Pacific. 



129. Thalia democratica var. oricntalis Tokioka. Philippines. 



PYROSOMATA 



Family Pyrosomidae 



130. Pgrosoma ayassizi Ritter & Byxbee. Japan. 



Of the species identified, 16 are considered to be new species and 

 2 are new subspecies; one new genus is proposed. All the above- 

 mentioned ascidians are divided I'aunistically as follows : 



Subarctic waters (1 species) 



3. ApUdium spitzbergense llartmeyer. Bering Sea. 

 Japanese waters (32 species) 



4. ApUdium yezoetise, new species. Hakodate. 



5. Amaroucium constellatum Verrill. Hakodate. 



6. Amaroucium glabrum Yervill. Hokkaido. 



15. PolycUnum constellatum Savigny. 



16. Ritterella sp. aff. aequalisiphonis (Ritter & Forsyth). Hakodate. 

 18. Polyclinid in strobilization (?). 



20. Didcmnum (Didemnam) moscleyi (Herdman). 



24. Didemnum (Didemnum) siphonale, new species. 



26. Didemnum (Didemnum) misakiense (Oka »& Willey). 



30. Trididemnum savignii (Herdman). 



42. Leptoclinum mitsukurii (Oka). 



55. Eudistoma albatrossae, new species. 



59. l^yndiazona grandis Oka. 



68. A.scidia papulosa, new species. 



70. Corclla japonica Herdman. 



71. Corella japonica var. asamusi Oka. Hakodate. 



72. ChelyoHoma siboja Oka. Otaru. 



78. Botrylloides violaccus Oka. Hakodate. 



88. Polycarpa psammotcsta Tokioka. Hakodate. 



92. Cnemidocarpa fertilis (Hartmoyer). 



93. Cnemidocarpa macrogastra (0\ii\) . Otaru. 



98. Styela clava Herdman. Same, Wakaura, Nagasaki. 



99. Fitycla atlantica (Van Name) . 



101. »S7)/cto coriacea (Adler & Hancock). Otaru. 



102. Pyura sacciformis (von Drasche). Nagasaki. 



103. Pyura lepidodcrma Tokioka. 



