1913 Petbks, Birds Collected in Quintana Roo, Mexico. 



371 



Of the five specimens collected, one is typical of the new form; the other 

 four are intermediates more or less closely approaching it. 



Herpetotheres cachinans (Linnaeus). 2 d\ Santa Lucia, January 22, 

 Camp Mengel, February 4. 



Regerinus uncinatus llliger. 1 9 , Camp Mengel, April 5. Iris 

 white; lores and cere greenish; legs yellow. 



Ictinia plumbea (Gmehn). 2 d\ Camp Mengel, April 2 and 23. Iris 

 red, hill and cere black, tarsus salmon. 



Falco spaverius spaverius Linn. 3, both sexes, Camp Mengel, January 

 13, 16 and March 31. 



Falco albigularis Daudin. 4, both sexes, Xcopen February 22, March 

 1 and 2, Camp Mengel, March 19. The bird shot March 19, was the o* of 

 a pair apparently ready (o breed. Iris hazel, cere and legs yellow. 



Cracid^e. 

 Ortalis vetula intermedia new subspecies. 



3, 1 d", 2 undetermined. Camp Mengel, January 20, March 12 and 20. 



Type from Camp Mengel, Terre Quintana Roo, Mexico, no. 60644, adult 

 <? M. C. Z. Collected March 12, 1912, by James L. Peters. 



Characters. Similar to 0. v. pallidiventris Ridg. but darker above; below 

 neck and breast darker; abdomen light isabelline; thighs, flanks and under 

 tail coverts fulvous; five outer pairs of rectrices tipped with isabelline. 



Jacanid^e. 



Jacana spinosa (Linnaeus). A $ and one young bird, Xcopen, Feb- 

 ruary 11. Legs grey; base of bill white; shield, bill and spur yellow. 



