356 Mr. P. L. Sclater on the 



Hab. Central and Southern Mexico (terra fria) : Orizaba 

 {Boucard) ; city of Mexico (G. H. White). 



Mus. P. L. S. et S.-G. 



Obs. Species uropygio toto et lateribus corporis subtiis 

 nigris a duabus prsecedentibus distinctissima. 



It passes my comprehension why this species should be re- 

 garded as a variety (!) of /. bullocki. No ornithologist who 

 had seen a specimen of it could, I think, make such a mis- 

 take as to unite the two birds. 



B. Subg. Pendulinus. 



Clavis speciernm. 



a. Abdomine toto castaneo, 



pileo nigro (4) spurius. 



' pileo castaiieo (5) bonana. 



b. Abdomiue toto nigro, 



campterio rufo (6) pyrrhopterus, 



campterio flavo, 



pileo flavo (7) chrysocephakis. 



pileo nigro, 



tibiis nigris (8) cayanensis. 



tibiis flavis (9) tibialis. 



c. Ventre nigro, crisso flavo, 



>■ hypocbondriis nigris .• (10) hypomelas, 



< hypocbondriis flavis (11) doininicemis. 



d. Ventre medio nigro, 



imo flavo (12) portoricensis. 



' imo aiirautiaco (13) laudabilis. 



e. Ventre toto flavo aut aiirantiaco, 



supra nigri : dorso postico flavo, 



I campterio nigro (14) oberi. 



campterio flavo, 



crisso nigro (15) ivar/leri. 



crisso flavo, 



Cauda nigra, 



alls extus nigris (16) prosthemelas. 



alis albo maculatis (17) maculi-alatua. 



caudse dimidio basali flavo .... (20) parisorum. 

 supra flavi, pileo nigro, 



rem. extus nigris (21) melanocephaltis. 



rem. marg. albis (22) auduboni, 



supra flavi, interscapulio nigro, 



campterio nigro (19) cuctdlatus. 



