1923] NATURAL SCIENCES OF PHILADELPHIA 63 
Gastrocopta perversa sana Pils. Stations 269, 270, 326. 
Gastrocopta ashmuni (St.).. Stations 270, 297, 323. 
Gastrocopta ashmuni minor (St.). Stations 294, 297. 
Gastrocopta ashmuni imperfecta, n. subsp. Stations 270, 297, 
303 and 311. The columellar lamella is simply curved within, and 
outwardly remains horizontal, as in G. cochisensis, not passing into 
the position of an infraparietal lamella. The free peristome, very 
large angulo-parietal lamella and the very deeply immersed lower- 
palatal fold remain as in G. ashmuni. 
Gastrocopta cochisensis (P. & F.). Station 299, Brown canyon. 
Gastrocopta dalliana (St.). Stations 270, 294, 297, 311. 
Gastrocopta pilsbryana (St.). Stations 295, 297, 299. 
Vertigo coloradensis inserta Pils. Stations 295, 296, rare. 
Vertigo hinkleyi Pils. Station 296 e, Carr canyon. 
The Canexo Hits are a long range with the higher crests up to 
about 5900 ft. They lie between the northern ends of the Hua- 
chuca and Patagonia ranges, united with both by the 5000 ft. 
contour, and more deeply separated from the southeastern Santa 
Ritas by the valley of Sonoita Creek. They are mapped on the 
Patagonia and Nogales Quadrangles. 
Sonorella elizabethe P. & F. Station 276. 
Holospira ferrisst caneloensis P. & F. Stations 289-292. 
Gastrocopta ashmuni minor (St.). Station 289. 
Gastrocopta dalliana (St.). Station 289. 
Gastrocopta pellucida hordeacella (Pils.). Station 289. 
The Pataconta RANGE is about 15 miles long, running up to 
over 7000 ft. The southern foothills extend across the Mexican 
boundary. Mapped on the Nogales Quadrangle. Visited by 
J. H. F. and A. A. Hinkley in midwinter, 1919, when there was 
considerable snow, hence not many species were taken. J. H. F. 
and EK. H. Ashmun had collected a few shells in the northwestern 
foothills and at Sanford many years ago. 
Sonorella patagonica P. & L. Southern part, about Washington. 
Sonorella tryoniana P. & F. Northern end. 
Gastrocopta perversa (Sterki). Station 265. 
Gastrocopta dalliana (Sterki). Station 265. 
The San Cayetano Mounrains lie east of the Santa Cruz River 
and north of Sonoita Creek, near the southern end of the Santa 
Ritas. Collection made by J. H. F. and A. A. Hinkley, 1919. 
Sonorella hinkleyi P. & F. Mainly in the southern part. 
Sonorella hinkleyi cayetanensis P. & F. Northern part. 
