50 Nelson— A Neio Thrush from Mexico. 



dusky or blackish ; feet and tarsii paJe dusky; wings and tail shorter, 

 and tarsus longer, than in mexicanus. The measurements given below 

 are from an adult topotypeof mexicanus (sex unknown) in the collection 

 of the American Museum of Natural History and from the type of smithi : 



C. mexicanus: wing, 95; tail, 70; tarsus, 31.5; culmen, broken. 

 Cm. smithi: "89; " 65; " 33; " 14. 



