THE NAUTILUS. 189 
Genus PROPHYSAON W. G. Binney. 
320. PRopPHYSAON ANDERSONI (Coop.). Middle California to 
Vancouver Island. 
321. PRopHysAON FOLIOLATUM (Gld.). Seattle, Olympia, and 
Puget Sound region, Washington. 
322. PROPHYSAON C@RULEUM Ckll. Seattle and Olympia, Wash- 
ington. 
323. PropHysaon FAscraAtuM Ckll. Old Mission, Idaho: Che- 
halis and Seattle, Washington. 
Genus ANADENULUS Cockerell. 
324. ANADENULUS COCKERELLI (Hemph.). Cuyamanca Mts., 
San Diego Co., Cal. 
Subfamily Ariolimacine Pilsbry. 
Genus HESPERARION Simroth. 
325. HESPERARION NIGER (Coop.). Neighborhood of San 
Francisco Bay. 
326. HESPERARION HEMPHILLI(W.G. B.). Niles Station, Ala- 
meda Co., California. 
Genus APHALLARION Pils. & Van. 
327. APHALLARION BUTTON! Pils. & Van. Oakland to Santa 
Cruz, Cal. (Ariolimax hecoxi Weth., undescribed, is said to be the 
same). 
Genus ARIOLIMAX Morch. 
328. ARIOLIMAX COLUMBIANUS (Gld.). | Middle Cal. to British 
Coiumbia. The black-blotched form maculatus Ckll. occurs through- 
out the same range. 
328a. ARIOLIMAX COLUMBIANUS STRAMINEUS Hemph. Santa 
Cruz Island, Cal. 
329. ARIOLIMAX CALIFORNICUS Cooper. San Mateo, Santa 
Clara and Santa Cruz counties, California. 
Genus HEMPHILLIA Binn. & Bld. 
330. HEMPHILLIA GLANDULOSA B. & B. Puget Sound region 
to Astoria, Oregon. 
331. HEMPHILLIA CAMELUS Pils. & Van. Old Mission, Idaho. 
