PLATE 12 
Fig. 32. Bufo alvarius, adult, no. 8179, Mus. Yert. Zool., from Tolladay’s 
Well, Maricopa County, Arizona, collected July 16, 1921. About % 6 natural size. 
3753. 
Fig. 33. Bufo boreas halophilus, adult male from vicinity of Berkeley, Ala- 
meda County, collected and photographed April, 1913. About % 6 natural size. 
2027. 
Fig. 34. Bana boylii boylii, male adult, from Salmon Creek, Mendocino County, 
photographed May 23, 1921. About % natural size. 3555. 
Fig. 35. Bana aurora draytonii, no. 5612, Mus. Yert. Zool., from Berkeley, 
Alameda County, collected and photographed March 29, 1916. About % 0 natural 
size. 2065. 
Fig. 36. Bana boylii muscosa, male adult, from Eaton Canon, near Altadena, 
Los Angeles County, photographed April 24, 1923. Slightly under natural size. 
3992. 
[ 330 ] 
