66 



859 Lepton meroeum Carpenter. 

 Monterey? San Diego, California. 



860 Lepton rude Dall. 



Vancouver Island to Monteiey, Cal. 



861 Leptothyra paucicostata Dall. 



Santa Cruz to Monterey, Cal. A red color variety from San 

 Diego. 



862 Leucozonia cingulata Lamarck. 



Cedros Island, Lower California, to Panama. 



863 Lima orientalls A. Adams. 

 Monterey to San Diego — China. 



864 Lima inflata Lamarck. 



Mediterranean sea, coast of Europe, North Carolina to West 

 Indies, and Western America. 



865 Limatula subauriculata Montagu. 



Arctic sea to Canary Islands and Florida — Alaska to San 

 Diego, Cal. — Asia. 



866 Limax (berendti?) hemphilli W. G. Binney. 



Southern California. Lower California? Central America. 

 (Northern slug a sub-species?) 



867 Limax (gagates?) hewstoni J. G. Cooper. 



Montana? Near San Francisco bay (introduced?) Los An- 

 geles Co., Cal. (Mrs. Williamson). 



868 Limax campestris Binney. 



All of United States and Territories. Lower California? 



869 Limax maximus Linne. 



Palsearctic — San Francisco; introduced. Also naturalized in 

 many countries. 



Orcutt, Nautilus 4:68, records from San Diego. 



870 Limmea adelina? Tryon. 



Shell thin, semi-transparent, body whorl large, wicie, convex: 

 spire small, consisting of 5 convex volutions, attenuating rapidly 

 to an acute apex, sutures impressed; inner lip thin, reflected, but 

 not covering the umbilical fissure, which is narrow; columella 

 twisted; color light horn, polished within the aperture, outer lip 

 tinged with red within. Length 14, diameter 8.5 mm. 



Living: San Francisco; San Diego (Orcutt), Cal. Tijuana, 

 Baja California (Orcutt). 



871 Limnaea emarginata Say. 



Shell ovate-conic, thin, translucent, smooth; lines of growth 

 very fine; whorls 5, very convex, suture deep; apex acute when 

 present; aperture wide, more than y 2 the length of shell; labium 

 turned over, so as to form an umbilic; fold on columella obsolete; 

 columellar depression deeply emarginate. Color light ocraceous. 



Living: Maine; Lake Winnipeg; Washington? 



872 Limnapa humilis Say. 



Living: Throughout the United States. Baja California (Or- 

 cutt). Vancouver Island. 



873 Limnaea lepida Gould. 

 Columbia river to Antioch, Cal. 



894 Limnaea palustris Mueller. 



Living: Circumboreal; Mountain lake, Cal.; New Mexico. 



875 Liotia fenestrata Carpenter. 

 Monterey to Catalina Island, California. 



876 Lithophagus attenuatus Deshayes. 

 Monterey, Cal., to South America. 



877 Littorina rudis Donovan. 



