—Eeeer ee arr a 
1923] NATURAL SCIENCES OF PHILADELPHIA 
or 
ah) 
(Roskruge Range). 
96. Small spur running north and south, west of Little Robles 
ranch house. 
97. Boulder bank in a mountain 114 miles east of ranch house, 
main range, in a wash on the north side of the first high peak. 
98. Rocky cliff, higher and further east. 
99. Half mile further east, higher (Raining; 58 Sonorellas alive) 
This is 2 miles east of Little Robles ranch house. 
100. Half mile further east. 
101. Little Robles spur, a small knob between the two peaks. 
furthest north. 
102. Next to the last peak north, slide on the north side. 
103. Malpais slides, small hill near forks of the road on the north 
side, east side of the range. 
104. Black table-top mountain on east side of the range, south 
side. 
105. East side of the same, overlooking Indian village of Co- 
coraque. 
106. South end of range: Bobb’s Butte, a high peak north of the 
Ajo road, in a malpais slide on the east side, in the north side of a 
wash. 
107. South side of a talus field 14 mile long, 100 yards wide, 
further up. 
108. Half way up the slide. 
109. Near middle of the slide, which is divided by a strip of 
creosote bushes. 
110. Small black hill three miles east of north of Bobb’s Butte, 
in malpais slide. 
(Coyote Mountains. See Text-figs. 5, 6.) 
111. Near head of piped springs, in cliffs. 
112. Boulder walls of gulches about the mining camp. 
113. Wall, northeast of canyon. 
114. Chffs in rincon between Baboquivari and Coyote ranges 
and Kitt’s Peak at spring of Chief Pablo la Jaro. 
115. North wall of main canyon, near 113. 
116. Mining camp, below Station 112. 
117. Cliffs of creek near former Sycamore Forest Ranger Station, 
now a cattle camp, rincon of Chief Pablo. 
118. Foot of the middle dome, southwestern rim of main canyon. 
119. Santa Rosa Ranch, in the valley between the Roskruge and 
Comobabi Ranges; in bank of wash west of the ranch house. 
(120-124, 147. Kitt’s Peak, at the North End of the Baboquivaris 
and West of the Coyotes, and its Environs.) 
120. Base of small outlier northwest of Kitt’s Peak. 
121. Kitt’s Peak, middle one of three large canyons on the 
north side, in boulders near foot of mountain. 
