AMPHIBIA AND REPTILIA OF COLORADO 55 



(95 mm.), J. Henderson and M. M. Ellis, No. 185; Colorado Stale Historical and 

 Natural History Museum: Denver, July 27, 1900 (85 mm.), W. C. Ferril; Denver, 

 August 6, 1900 (100 mm.), W. C. Ferril; Lamar, June 12, 1904 (40 mm.), H. G. 

 Smith; Slate Teachers' College Museum: Greeley, A. E. Beardsley; reported 

 common at Greeley by Beardsley. 



Bufo americanus LeConte 



American Toad (Figure 2, Plate I) 

 Bufo americanus LeConte, in Holbrook, N. Am. Herpetology, Vol. V, p. 5, 1842. 

 Bufo lentiginosus lentiginosus — Yarrow, U.S.N.M. Bull. 24, p. 164, 1882 (Ft. 



Garland, Colo.). 



Bufo lentiginosus americanus — Yarrow, U.S.N.M. Bull. 24, p. 167, 1882 



(South Platte River and Central Park). 



Head short, its length 4 to 4. 5 in the total length; muzzle rather 

 abrupt; parotoids large and oval; size medium, males two to three 

 inches, female three to four inches in length. 



General color variable, yellow, brown, dark brown, gray or even 

 greenish; usually much spotted with a color lighter than the ground 

 color; a pale mid-dorsal stripe usually apparent; warts dull or marked 

 with red or yellow; ventral parts light; throat of the male black. 



Range, southern Canada south into Mexico, rather general in the 

 United States. This species is regarded by many authors as merely 

 a well-defined variety of Bufo lentiginosus Shaw, the common toad. 



Bufo americanus. — Diagram of Bony Crests 



Colorado specimens. — University Museum: Boulder, September 10, 1909 

 (85 mm.), J. Henderson, No. 186; Julesburg, July 19, 1912 (28 specimens, 10- 

 105 mm.), J. Henderson and M. M. Ellis, No. 187; Brighton, July 26, 1912 (9 

 specimens, 20-40 mm.), J. Henderson, No. 188; Colorado State Historical and 

 Natural History Museum: Denver, July 27, 1900 (70 mm.), H. G. Smith; Jules- 

 burg, August 31, 1905 (3 specimens, 40-45 mm.), H. G. Smith; Denver, August 

 6, 1900 (2 specimens, 40 and 50 mm.), W. C. Ferril. 



