1866.] MR. SCLATER ON THE AMERICAN CAPRI MULGID.E. 12.) 



Fig. 4. 



^4\ v 



Fig. 3. Eight foot of Steatornis caripensis. 



4. Left foot of Nyctibins jamaicensis. 



5. Eight foot of Podargus cuvieri-. 



must follow. But Steatornis, being undoubtedly allied to NyciiMus, oilers 8a a 

 transition between the two extremes which renders it difficult to place them al 

 any distance apart. 



