

REPTILES. 



27 



First finger equal to the second in length. A carpal disk and a tubercle. Toes slightly webbed at their 

 base. Two metatarsal tubercles. No membranous fold at the inner lower edge of the tarsus. Skin 

 papillous above, warty beneath. Above of a bluish slate tint with black markings. Beneath unicolor, 

 of a dingy yellow tint — (Girard.) 



Chihuahua and Sonora. 



112. BUFO WOODHOUS1I, Girard. 



Bufo dorw/ts, Hallowei*. IV. A. N. Sc. VI, 1 >2, 181. (Not of Spix.) 

 /Info woodhotmi, Girard, IV. A. N. Sc. VII, May, 1854, 8(5. 



Sonora, 



113. BUFO COGNATUS, Say 

 lUtfo cognatus, Say, Lon s BxpecL II, 1823, 11)0. 



Texas, 



114. BUFO DEBILIS, Girard 

 Bufo debili*, Girard, Pr. A. X. Sc. VII, May, 1854. 87. 



Lower Rio Grande. 



115. RAN A CATESBIANA, Shaw. 



Bull Frog. 



Rana cate.<biona, Shaw, Gen. Zool. Amphibia, 1802, 106; pi. xxxiii. 



liana pipiens, Harlan, Sill. Am. Jour. X, 1825, 62.--- Holbrook, N. Auk Herp. IV, 1842, 77; 



pi. xviii. (Not of Linnaeus.) 



San Antonio, Texas. Dr. Kennedy. 



116. RANA MOXTEZUMAE, B a i r d. 



Plate XXXVI, Fjoe. 1— •;. 



* 



liana montezvmae, Baird, Pr. A. N. Sc. VII, April, 1854, 61. 



Sp. Ch. — Head as wide as long-. Body generally smooth, except pustulation on the sides and sometimes 

 above. No fold of skin, cither on the sides or around the tympanum. Tympanum about size of eyi ; but 

 little variation with sexes. Large vocal v sides on each side behind jaws. Tongue broad, cornua short 

 Palatine protuberances close together. Toes not webbed beyond middle of last phalanges on the external 

 sides. Color purplish olive above, grayish I m 3 with crowded spots or vermiculations of whitish all 



over the body. In young specimens, rounded, areolated, dark blotches on the back and l\>n> leg. Size, 



that of liana pipiens of I M brook. (#. catesbiana.) 



-pity of Mexico. Major W. Rich. 



117. RAXA BEELANDIERL Baird. 



Plate XXXVI, Figs, 7—10. 



Sp. Ch. — Size large. Body stout, robust. 



1 



snout, and contained 2| times in the length of jaw from rictus. Tyn mum two-thirds the diameter of 



the eye. A vocal vesicle 



A glandular fold on each side the jaw, and another 



ne broad and depressed on each side erf the body Between these is one pair of ridges alon the coccyx; 



