1925] Storer: A Synopsis of the Amphibia of California 
167 
is afforded whereby growth to large size is possible. Bufo alvarius 
may be compared with Bana catesbeiana in its large size, smooth skin, 
and aquatic habits, and the parallel in form is probably related in 
some degree to the similarity in mode of life of the two species. 
Bufo boreas boreas Baird and Girard. Northwestern Toad 
Bufo boreas Baird and Girard (1852ft, pp. 174-175). Original description, 
type from Columbia River and Puget Sound. 
Bufo columbiensis, Baird (1859ft, p. 12). On Upper Pit River. 
Bufo halophilus, Yarrow and Henshaw (1878, p. 208), part. At Lake 
Tahoe. 
Bufo boreas, Boulenger (1882a, p. 296), part. General account. 
Bufo halophilus, Yarrow (1883, pp. 23, 162), part. Locality records. 
Bufo micro scaphus, Yarrow (1883, pp. 23, 163). Locality records. 
Bufo boreas boreas, Camp (1917ft, pp. 116, 117). Critical; range. 
Bufo boreas boreas, Grinnell and Camp (1917, p. 143, fig. 4). Range in 
California. 
Bufo boreas boreas, Stejneger and Barbour (1917, p. 27; 1923, p. 24). 
General range. 
Measurements or Adult Specimens of Bufo boreas boreas from Modoc 
County, California 
M. V. 
Z. No. 
Sex 
Locality 
Date 
Head-and-body 
length 
Length of head 1 1 
Width of head jj 
2 
o 
Interorbital 
space 
Forearm 
Hand 
3 
g 
Tibia 
Tarsus 
Whole foot 
1 Spread of hind 
[ foot 
2103 
$ 
Goose Lake Meadows, 
near Sugar Hill, 
4800 ft 
May 29, 1910 
85.5 
21.0 
36.3 
10 5 
25.7 
22.3 
35.0 
33.0 
21.1 
54 
29 
2105 
$ 
Sugar Hill, 5000 ft 
June 7, 1910 
90.5 
24.7 
34.5 
10.5 
8.0 
27.7 
22.7 
37.5 
32.0 
23.2 
61 
34 
2134 
$ 
Dry Creek,- Warner 
Mts., 4800 ft 
July 30, 1910 
103.5 
27.8 
40.0 
11.8 
7.0 
32.4 
35.5 
42.8 
36.9 
26.4 
64 
38 
2107 
9 
Goose Lake Meadows 
near Sugar Hill, 
4800 ft 
June 1, 1910 
111.0 
28.5 
43.4 
11.5 
9.0 
31.0 
27.4 
42.9 
40 0 
27.6 
72 
42 
2102 
$ 
Goose Lake Meadows 
near Sugar Hill, 
4800 ft 
May 27, 1910 
112 5 
26.0 
42.0 
12.3 
9.6 
33.7 
30.5 
46.0 
40.2 
27.1 
71 
41 
2125 
d 
Parker Creek, Warner 
Mts., 7300 ft 
July 7, 1910 
79.0 
21.7 
28.8 
9.6 
5.4 
23.8 
23.0 
34.0 
30 0 
21.3 
53 
28 
2109 
d 
Parker Creek, Warner 
Mts 
June 22, 1910 
96.0 
25.5 
3f 4 
11.0 
7.0 
29.7 
26.0 
42 0 
36.5 
25.0 
66 
39 
2112 
d 
Parker Creek, Warner 
Mts 
June 19, 1910 
97.3 
27.0 
36.3 
10.8 
6.4 
32.1 
24.6 
40.0 
35.8 
25.3 
68.5 
38 
2113 
d 
S. fork Pit River near 
Alturas 
June 9, 1910 
98.4 
24.6 
34.5 
12.0 
7.0 
31.0 
24.0 
38.8 
36.5 
23.7 
64 
37 
2104 
d 
Goose Lake Meadows 
near Sugar Hill, 
4800 ft 
May 29, 1910 
99.5 
26.0 
37.5 
10.9 
31.8 
25.5 
37.7 
37.3 
26.4 
68 
41 
