110 
1517 Haliotis californiensis Swainson. 
Nos. 1515-1517 are generally treated as synonyms of Cra- 
cherodii. 
1518 Haliotis Californiana Valenciennes. 
Synonym of H: rufescens. 
1519 MHaliotis ponderosa C. B. Adams. 
Supposed to be rufescens. 
1520 Ariolimax columbianus straminea 
“Animal when extended about 6 inches long, with the mark- 
ings of A: columbianus, of a uniform light straw color, a shade 
lighter beneath the foot. Santa Cruz Island, Cal.’’—H. Hemphill, 
Nautilus 4:120. 
1521 Carychium exiguum occidentalis 
“Somewhat larger than typical exiguum, distinctly conical, 
not at all cylindrical, acute; outer lip expanded, thin, not at all 
toothed. Portland, Oregon.’’—Pilsbry, Nautilus 4:109. 
1521 Pupa hordeacea Gabb. 
1522 Pupa hordeacella Pilsbry. 
Sterki, Nautilus 4:141, discusses these two species, occurring 
in Arizona, New Mexico and Texas. 
—_———— 0 
1523 Cockerell, Theodore D. A.: 
The slugs of British Columbia, Nautilus 5:30. 
Notes given on numbers 1524-1529. 
1524 Agriolimax campestris hyperboreus 
Comor, 140 miles north of Victoria (Taylor). 
1524a Agriolimax Berendti Strebel. 
Cockerell considers Limax Hemphilli as a variety. 
1525 Prophysaon Andersoni Hemphilli 
British Columbia (Rev. J. H. Keen). 
1526 Variety pallidum Cockerell. 
“Paler, ochreous, the bands on mantle evanescent, reticula- 
tion on body not dark, back not darker than sides, neck pale.’’— 
Cockerell. 
British Columbia (Rev. J. H. Keen). The largest 46 mm. long 
(in alcohol). 
1527 Ariolimax Columbianus Gould. 
Ceckerell describes forma typicus as without black spots. 
1528 Forma maculatus Cockerell. 
Cockerell cites a specimen in alcohol 63 mm. long, tail well 
keeled for 18 mm.; a large spot on mantle; sole with median area 
smooth though wrinkled, lateral area rough; jaw dark, with 15 
ribs. 
1529 Forma niger Cockerell. 
Entirely black, except the sole, which is rather olivaceous. 
