42 GASMAN'S LIST OF 



B. adtrita Trosch., 1865, Wirbelth. Hex., 82 ? 



Mexico. 

 B. pachyderma Cope ? 



ENGYSTOMATIDAE. 



ENGYSTOMA Fitz., 1826, Neue Class., 65. 



E. carolinense Holbr., 1838, Herp., I, 83, pi. 2. 



South Carolina to Missouri and Florida. 

 E. UStum Cope, 1866, Pr. Phil. Ac., 131. 



Mexico. 

 E. elegans Blgr., 1882, Cat. Batr. Sal., 162. 



Cordova, Mexico. 

 E. rugosum D. & B., 1841, Erp., VIII, 744. 



Mexico. 



CYSTIGNATHIDAE. 



HYLODES Fitz., 1826, Neue Class., 38. 



H. ricordii D. & B., 1841, Erp., VIII, 623. 



Southern Florida. 

 Iiithodytes latrans Cope, 1878, Amer. Nat., 186 ? 



Texas. 

 Syrrhophus marnockii Cope, 1. c., 253. ? 



Texas. 

 H. berkenbuschii Pet., 1869, Mb. Brl. Akad., 879. 



Mexico. 

 Batrachyla longipes Bd., 1859, Mex. Bd. Surv., II, pi. 37.? 



California to British America. 



BUFONIDAE. 



BUPO Laur., 1768, Syst., 25. 



Bana lentiginosa Shaw, 1802, Zool., Ill, 173. 



North Carolina to Colorado and Florida. 



(B) B. americanus (LeC.) Holbr., Herp., V, 17. 



Nova Scotia to Dakota, and southward. 



(C) B. fowleri Putnam, Rep. Peab. Ac. 



This is an americanus of moderate size and with frontal 

 ridges low, close together, and nearly or quite parallel. 

 Voice peculiar. 



Manitoba to Winnipeg; Massachusetts. 



(D) B. cognatus Say, 1823, Long's Exp., II, 190. 



Arkansas ; Colorado ; Dakota. 



(E) B. frontosus Cope, 1866, Pr. Phil. Ac., 301. 



Colorado; Utah; New Mexico. 



