1918.] NATURAL SCIENCES OF PHILADELPHIA. 333 
Puate VII.—Fig. 1.—Station 58 (1913), Oreohelix cooperi (W. G. B.). Cosper’s 
pasture, rim of Blue Mountains. No. 109,173. 
Figs. 2-2b—O. cooperi. Station 29 (1914), west side Blue River, 1 mile 
above Blue River Ranger Station, Arizona. No. 119,178. 
Figs. 3, 3a.—O. cooperi. Station 27, near preceding station. No. 119,179. 
Fig. 4.—O. cooperi. Station 32, east side Blue River, N. M. No. 119,497. 
Figs. 5-5b.—O. cooperi. Station 23, east side Blue River. No. 2. 
Figs. 5-5b.—O. cooperi. Station 23, east side Blue River, 2 miles below 
mouth of Grant Creek, Arizona. No. 119,150. 
Figs. 6, 6a. O.cooperi. Station 4214, Bursam Road, head of Silver Creek, 
Mogollon Mts., 8,000 ft. No. 119,498. 
Fig. 7.—O. cooperi apache n. subsp., type. Station 76 (1913), Black River, 
2 miles above Fish Creek. No. 109,184. 
ene 8, 8a.—O. cooperi apache. Station 58 (1914). Black River. No. 
- 109,183. 
Fig. 9.—Oreohelix strigosa meridionalis n. subsp., type. Y Salt House Fork 
of Eagle Creek. No. 109,186. 
