37 
396 Rissoa acutilirata Carpenter. 
Santa Barbara (Yates); San Diego. 
397 Mangilia variegata Carpenter. 
Monterey to San Diego. 
398 Variety Nitens Carpenter. 
Santa Barbara. 
399 Dunkeria laminata Carpenter. 
Santa Barbara, type (Yates); San Diego (var. B). 
400 Chemnitzia chocolata aurantia Carpenter. 
Synonym of Turbonilla aurantia. 
401 Chemnitizia crebrifilata Carpenter. 
402 Chemnitzia tenuicalata Gould. 
Santa Rosa Island (Yates). 
403 Chemnitzia torquata Gould. 
Synonym of Turbonilla torquata. 
404 Variety Stylina Carpenter. 
Synonym of Turbonella stylina. 
405 Chemnitzia virgo Carpenter. 
Santa Barbara (Yates). 
406 Nassa cooperi Forbes. 
Santa Rosa Island (Yates). 
Commonly considered as a form of Nassa mendica. 
407 Muricidea fasceolata Hinds. 
Santa Rosa Island (Yates). 
408 Ocinebra lurida Middendorf. 
Synonym of Muricidea lurida. 
409 Argonauta argo Linne. 
North latitude 43 degrees in Atlantic to Brazil—North to 35 
degrees in Pacific—Santa Barbara channel, California. Santa 
Catalina Is. 
The paper nautilus is sometimes found on the seaward side 
of Santa Cruz Island in large numbers (Yates). 
410 Semele pulchra Sowerby. 
Santa Barbara, California, to South America. 
411 Leptothyra carpenteri Pilsbry. 
Vancouver Island, British Columbia, to San Diego, California 
—Japan. See Nautilus, July, 1890. 
412 Clathurella constricta Gabb. 
Catalina Island, California, 80 fathoms; Yates records a vari- 
ety from the Santa Barbara channel. 
413 Chama pellucida Broderip. 
Farallon Islands to San Diego—South America? 
