1917.| NATURAL SCIENCES OF PHILADELPHIA. 101 
Localities in the Black Range and environs are given below. It 
is not confined to limestone exposures, but is quite sparsely scattered 
on shaded hillsides throughout the forested zone of the range from 
Sawyer Peak northward. 
Sawyer Peak, Station 173, west side of the north peak, near the 
summit. 
Silver Creek, at stations 3, 44, 6, 7,9; Bull Top Creek, Station 13. 
Spring Creek, Station 15; 
Iron Creek, stations 16 and 163 
(Wright’s cabin). Between Iron 
Creek and Hillsboro Peak. 
Heads of Animas Canyon at 
Holden’s Spring, Station 26, 
and at stations 29, 30, 32, 33, 
northward. 
Near McKnight’s cabin, Sta- 
tion 36; stations 38, 393, 40, 
the last 8 miles north. 
Black Canyon region at sta- 
tions 41, 42. 
Morgan Canyon, stations 44, 
45, 48. 
Diamond Creek, Station 50, 
about halfway down the moun- 
tain on the west side. 
Kast of the Black Range it 
was taken at— 
Sam’s Canyon, about 6 miles Fig. 5.—Reproductive organs of Oreo- 
south of Chloride, dead only. helix cooperi from feelin, s Spring, 
San Mateo Mountains, every- ask ‘Hangn wh deta of 
where on the south side, abun- internally ribbed entati 
dant. 
Specimens from Holden’s Spring (Station 26) were dissected last 
year. See Proc. A. N.S. Puima., 1916, p. 351. Two more have 
been opened, giving the following measurements of the genitalia: 
No. 115,156. No. 112,920. 
Silver Creek. San Mateo 
Station 4}. Mountains, 
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is ‘““ internally ribbed part Iie Set hee AVE ie 8 . 
th Peeping. ee ad oct tscanomsecde. AN At: 5 5 
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