ee | Peer 
1918.] NATURAL SCIENCES OF PHILADELPHIA. 307 
19. Congden Camp. 
20. Northeastern side Kellogg Peak. 
21. Carnegie Desert Laboratory experiment station, Marshall Pass. 
22. Ridge running down east side Lemon Mountain. 
23. Ridge running south from Soldier’s Camp towards Mud Springs. 
24. West side of Marble Peak ridge. 
25. Top of same ridge. 
26. “Quartzite” slide south side of Marble Peak (same as Station 3, 1910; 
Station 4, 1910, is the top of same slide). 
27. Ridge south of Hmkley Camp. Z 
28. Marshy spring on Lemon Mountain trail. 
29. Leaning Rock, south side Lemon Mountain. 
30. Aspen Gulch, parallel with main trail to Lemon Mountain. 31, quarter 
mile below 30, where gulch is close to trail. 32, quarter mile farther down. 33, 
foot of trail at the stream. Little shells very abundant at these stations and the 
next. 
34. Cold Spring. 
35. Southeast side of Marble Peak, about Apache Camp and ‘“‘Joliet Cave.” 
36. Northwest side Marble Peak near “Old Dan’s Cabin.” 
37. Westfall’s mine. 
38. North side Marble Peak near the Daley mine. 
39. Goodale’s house. 
40, Alder Spring, Peck Canyon (one of the head branches of Buehman Can- 
yon). Alder Spring is about 12 miles east of Soldier’s Camp Ranger Station ; 
Brush Corral Ranger Station is about 8 miles farther down Buehman Canyon. 
41. Buehman Canyon: “Quartzite” slide, Sycamore Spring. 
42. Buehman Canyon: Forest Ranger pasture near lower fence, Brush 
43. Buehman Canyon. Lower on the stream, towards Korn Kobb mine. 
44, Buehman Canyon. Near the mine. 
45. John Lyon’s mountain (east of San Pedro River and Rincon Mountains, 
north of the Little Dragoon Mountains). The rock is granite, and only Thysa- 
nophora hornii was found. 
Stations of 1917 (J. H. F.). 
(Santa Catalina Range.) 
12. Main fork of Sabino Creek, at camp in Sabino Basin. 
13. Head of Bear Creek (Gundlachia and Physa). 
14, Head of Bear Canyon. 
15. Northeast corner of Sabino Basin, on trail to Soldier’s Camp. Boulder 
dykes along gulches. 
16. Same as Station 12, in slides of mountain facing north. 
17. Southwest side of Sabino Basin, big mountain in the ‘““Window Range.” 
18. Brush Corral, crossing of Peck Canyon, Alder Springs. 
19. Limestone mountain in foothil!s of 8S. Catalinas, San Pedro slope. 
(Rincon Mountains.) 
20. North side of the high Rincon peaks. 
21. Saddle camp, between Santa Catalinas and Rincons. 
22. Ridge west of Spud Rock Ranger Station, in aspens. 
23. Drift debris of San Pedro River above Mammoth. 
(Galiuro Mountains.) 
24. Drift of boulders near southeast gate of the forest reserve pasture. 
25. Im slides, creek bank, above John Rhodes’ ranch house. 
26. In slides head of the same gulch as 25. 
27. In No. 4 slope in amphitheatre of the mountains on Whitlow ranch, 
east of Sombrero Peak. 
28 and 29. Other slides in the same vicinity. 
30. On trail two miles south of Copper Creek mining camps. 
