WRIGHT 



PLATE III 



HIND FEET (a) AND FORE FEET (b) OF BREEDING MALE AM KA. XI. 



1. Rana sylvatica. 4. Rana clamata. 7. Hyla versicolor. 



2 Rana pipiens. 5. Chorophilus triseriatus. 8. Bufo lenti.u'inosus americanus. 



3. Rana palustris. 6. Hyla pickeringii. 9. Rana catesbeiana. 



