558 _ PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 95 
Added to the National Museum since the appearance of Kellogg’s 
list (19382) are U.S.N.M. No. 63868 from “‘Colima” and U.S.N.M. Nos. 
84399-84402 from Oaxaca, Oaxaca. 
BUFO INSIDIOR Girard 
Bufo insidior GirARD, Proc. Acad. Nat. Sci. Philadelphia, vol. 7, 1854, p. 88 
(Chihuahua, México). 
A large series (55 specimens) of this common species was obtained in 
Chihuahua: U.S.N.M. Nos. 105102-105108, 1 mile south of Villa 
Ahumada, October 9, 1938; and U.S.N.M. Nos. 105109-105156, 
Rio Santa Maria, near Progreso, October 13, 1938 
Of 14 males examined the vocal slit is sinistral in four, dextral in 
nine, and both sinistral and dextral in one specimen. 
Ruronitics (“teeth”) are present on the palatine bone, appearing 
above the gum in adult specimens. 
BUFO COCCIFER Cope 
PLATE 22 
Bufo coccifer Corr, Proc. Acad. Nat. Sci. Philadelphia, vol. 18, 1866b, p. 130 
(Arriba, Costa Rica). 
Five specimens, U.S.N.M. Nos. 115482-—115486, were secured at 
Agua del Obispo (Kilometer 351), Guerrero. Some were calling 
at night (August 31, 1939), and others were taken from under stones 
in the daytime. 
One is a female, four are males. The latter show dim spotting on 
the venter, and there is a transverse dark area on the neck. The vocal 
slit is sinistral in three males, dextral in one. The female measures 
62 mm., the largest male 57 mm., from snout to vent. 
BUFO COGNATUS Say 
Bufo cognatus Say, in James, Account of an expedition from Pittsburgh to the 
Rocky Mountains, vol. 2, 1823, p. 190 (Arkansas River, Prowers County, 
Colo.). 
In all, 127 specimens, from the following localities: CHrmUAHUA: 
Rio Santa Maria near Progreso, October 13-14, 1938 (U.S.N.M. 
Nos. 105056—105081) ; 1 mile south of Villa Ahumada, October 9, 1938 
(U.S.N.M. Nos. 105082-105101);3 miles east of Carmen, October 22, 
1988 (U.S.N.M. No. 1061438). Coanuita: 13 miles west of San 
Pedro, November 5-9, 1938 (U.S.N.M. Nos. 106164—106226). 
Duraneo: 10 miles south of Escalén, Chihuahua, November 29, 1938 
(U.S.N.M. No 106145); 10 miles north of Gémez Palacio, October 29, 
1938 (U.S.N.M. No. 106146-106161). 
