414 CALIFORNIA ACADEMY OF SCIENCES  [Proc. 4TH SER. 
trosteges 195, anal divided, urosteges 73, supralabials 9-9, pre- 
oculars 2-2, postoculars 2-2, temporals 24-2—2-+-3. 
No. 33875, Desert Laboratory, Tucson.—Scale rows 17, 
gastrosteges 202, anal divided, urosteges 80, supralabials 9-9, 
infralabials 10-10, preoculars 2-2, postoculars 2-2, loreals 1-1, 
temporals 2+-2, posterior genials longer. 
No. 34275, steam pump, eighteen miles north of Tucson, 
May 7, 1912.—Scale rows 17, gastrosteges 200, anal divided, 
urosteges 80, supralabials 9-9, infralabials 11-12, preoculars 
1-1, postoculars 2—2, loreals 1-1, temporals 2-+-2-2-+-3, poste- 
rior genials longer. 
No. 34754, Ramsey Canyon, Huachuca Mts., July 10, 1912. 
—Scale rows 17, gastrosteges 178, anal divided, urosteges 99, 
supralabials 8-8, infralabials 10-10, preoculars 2—2, postoculars 
2-2, loreals 1-1, temporals 2++2, posterior genials shorter. This 
specimen was found lying on the ground in a small orchard 
toward evening. 
Mr. Herbert Brown showed us specimens from Pima Can- | 
yon, Santa Catalina Mts., Pima Co., and from Mowry, Pata- 
gonia Mts., Santa Cruz County. 
55.—Hypsiglena ochrorhynchus Cope 
We have secured only four Arizonan specimens of this snake. 
These are as follows: 
No. 17548, Cave Creek, Maricopa Co., April 6, 1910, John 
Carlson.—Scale rows 21, gastrosteges 185, anal divided, uros- 
teges 50, supralabials 8-8, infralabials 9-9, preoculars 2-2, 
postoculars 2—2, loreals 1-1, temporals 1+-2, posterior genials 
longer. 
No. 33874, vic. Desert Laboratory, Tucson, March 23, 1912. 
—Scale rows 21, gastrosteges 175, anal divided, urosteges 57, 
supralabials 8-8, infralabials 9-9, preoculars 1-1, postoculars 
3-3, loreals 1-1, temporals 1+-2, posterior genials shorter. This 
snake was found under a stone. 
No. 34276, steam pump, eighteen miles north of Tucson, 
May 3, 1912.—Scale rows 21, gastrosteges 176, anal divided, 
urosteges 39-+-, supralabials 8-8, infralabials 10-10, preoculars 
2-2, postoculars 2-2, loreals 1-1, temporals 1+1-1+2. This 
specimen was found under a tin can in a chicken yard. 
No. 35339, Gunsight, western Pima County, April 16-22, 
1912.—Scale rows 21, gastrosteges 178, anal divided, urosteges 
