88 PROCEEDINGS OF THE ACADEMY OF [Vol. LXXIV 



lighter than "pale grayish vinaceous, " conspicuously maculated 

 or spotted with slate on surface next shell; sole of foot light mouse 

 gray, shading at edge 1 to neutral gray. 



Maximum Minimum Diameter Number 



Diameter Diameter Altitude Umbilicus of Whorls 



mm. mm. mm. mm. 



Type 7.7 . G 4.5 1.2 4 



Paratype (largest dead 



shell) 7.6 6.6 4.5 1.3 4 



Paratype 6.5 5.4 3.5 1.2 3% 



Paratype (dead shell)... 7.0 5.7 3.7 1.2 :;•"■, 



Station I (live shell). .. 7.4 6.2 4.3 1.2 4 



Station I (dead shell) . . 7.3 6.1 4.0 1.2 4 



Type : Berry Collection Cat. No. 4,890. Paratypes in the museum 

 of The Academy of Natural Sciences of Philadelphia, The Cali- 

 fornia Academy of Sciences, and the private collection of Allyn 

 G. Smith. 



Type locality: Station II; among loose leaves and mould under 

 ;i small tree (probably Rhus sp.,) in gulch on east side of White- 

 water Canyon, near first bend to west, alt. ca. 1,800 ft.; San Ber- 

 nardino Mountains, California; April 1, 1920; 4 living, 21 dead 

 shells. Also Station I ; talus slope on west side of Whitewater 

 Canyon, about 1 mile above mouth; alt. ca. 1,700 ft.; San Ber- 

 nardino Mountains, California; April 1, 1920; 1 living, 17 dead 

 shells. 



Unassuming enough at first glance and even reminding one 

 somewhat of some of the common small land snails of the type of 

 Gonyodiscus, or of certain of the lesser Arizonian Oreohelices, close 

 inspect 'on reveals this little snail as very distinct from all described 

 American species. Its harshly shagreened periostracum, though 

 furnishing almost its only striking specific character, is unlike that 

 of any other snail I have noticed. This feature is evidently but 

 an elaboration of the type of sculpture so characteristic of the 

 earlier whorls in such species as hutsoni, wolcottiana. Hence it 

 seems appropriate to refer the species, at least until its anatomy 

 can be investigated, to Eremarionta. 4 All its other features, coarse 

 periostracum, texture of shell, and particularly the conspicuously 

 spotted mantle, must be confessed to resemble those of no other 

 Eremarionta which has been described, being more like these of 

 some of the species of the Helminthoglypta group. 



4 A dissection made by Dr. H. A. Pilsbury sinee this paper went to press has 

 shown this species to possess (he usual genitalia of Micrarionta. 



