439. 
436. 
437. 
438. 
439. 
440. 
441. 
442. 
4435. 
444. 
445. 
446. 
447. 
450. 
451. 
Eis, OF SPECIES 301 
. stearnst, Bland, Nautilus IX, p. 102. 
. pisbryi, Vannetta, Nautilus XIII, p. 36 
. taylori, Pilsbry, 
. arctica, Lehnert, 
© 
— 
~~ 
. 
ef dash ash Se) 
Family, HELICIDAE 
Genus, ariolimax, Morch 
A. columbianus, Gould, Nautilus XI, p. 76. 
A. californicus, Cooper, Nautilus XI, p. 76. 
A. mger, J. G .Cooper, Pro. Phila. Acad. 
Sci., 1889, p. 199. 
A. hemphili, W. G. Binney, 
A. andersom, W. G. Binney, 
A. hecom, Wetherby, 
A. columbianus var. stramineus, Hemph., 
Nautilus IV, p. 120. 
A. steindachnert, Babor, Nautilus XIV, p. 
(ae 
Genus, Aphallarion, esa V 
A. buttoni, P. & V., Pro. Phila. Acad. Sci., 
1896, pp. 339-350. 
Genus, arion, Herussac 
A. foliolatus, Gould, Nautilus III, p. 126; 
ILD ope Oey 
A. var. hemphilli, W. G. Binney, Nautilus 
ep 126: 
Genus, anadenns, Heynemann 
A. cockerelli, Hemphill, Nautilus IV, p. 2. 
Genus, wempninia, Bland & Binney 
H. glandulosa, Bl. & Bin., Pro. Phila, Acad. 
Sei leods yp. 199. 
