Plate XXXIX 



Mink frog (Rana septentriojialis) 



1 . Male, collected by S. C. Bishop at Hart (Clear) Lake, Adirondack Mts., N. Y. 



July 5, 1923. Lateral aspect, x i.o. 



2. Female, collected by S. C. Bishop at Hart (Clear) Lake, Adirondack Mts., N. Y. 



July 5, 1923. Ventral aspect, x i.o. 



3. Beaver dam, Hellgate pond, Onekio, N. Y. June 12, 1923. 



4. Egg mass, photographed by S. C. Bishop, Hart (Clear) Lake, Adirondack Mts., 



N. Y. X 0.5. 



5. Transforming frog with short tail, Onekio, X. Y. July 4, 1923. Dorsal aspect. 



X I.o. 



6. Adult, photographed by C. \V. Leister, Hart Lake, Essex Co., N. Y. July 7, 



1923. X 0.6. 



