40 



THE IXORGANIC CONSTITUENTS OF MARINE INVERTEBRATES. 



23. Kassa teguh Reeve. Musgro\p Island, Masjdalena Bay, Lower California. 



24. Nassa iiisculpta Carpenter, Cortez Bank, Calif.; latitude, 32° 20' 30" N.; depth, 165 meters; bottom tem- 

 perature, 9.5° C. 



25. Twritella gonostomii Valencienn&s. Mulege, Gulf of California. 



26. Volutometra alaskana Dall. Off Unalaska, Alaska; latitude, 55° N.; depth, 143 meters; bottom tempera- 

 ture, 4.5° C. 



27. Pyrolofusus harpa Morch. Unalaska, Alaska. 



28. Plicifusus dims Reeve. Sitka Harbor, Alaska. 



29. Tachyrhynrhus erosa Couthouy. Avatcha Bay, Kamchatka. 



30. Ranella pukhra Gray, China Sea, north of Prabas Island; depth, 256 meters; bottom temperature, 14.2° C. 



31. Cerithium aluco Linne. Reef opposite Cebu, Philippine Islands. 



32. Strombus canarium Linn^. Subig Bay, Luzon, Philippine Islands. 



33. Cavolina longirostris Lesueur. Off Adyagan Island, Philippine Islands; depth, 247 meters. 



Analyses of gastropods. 



Reduced analyses of gastropods. 



