38 PETERS — SANTO DOMINGO SWIFT 
MEASUREMENTS (in millimeters). 
M.C.Z. no. Sex Wing Tail Bill Tarsus 
70,114 on 207 78 8.3 20.0 
70,115 J 189 4 9.0 21.0 
70,116 oo (type) 193 74 9.2 20.4 ¢ 
70,117 2) 194 68 9.6 21.0 
While the series examined in this connection is not large, the 
much blacker color of the sides of the head in birds from Santo 
Domingo is very striking, as compared with Cuban and Jamaican 
birds of the same sex and taken at the same season. 
