1 91 8.] Under Wing-Coverts of Birds. 673 



Parisoma, Muscicapa, Alseonax, Artomyias, Pedilorhynchus, 



Hyliota, Bias, Platysteira, Dinphorophyia, Erythrocercus, 



Elminia, Trochocercus, Tchitrea, Chloropeta, Stizorhina. 



Seventy specimens, of 22 species, examined. 



Major under coverts on the raanus ten, the 1st sometimes 



reduced in size. Rudimentary major under coverts present 



on the cubitus, in most cases ; but wanting, or only a 



few present, in the three specimens of Elminia longicauda; 



wanting in the two specimens of Erythrocercus macalli ; 



wanting, or only a few present, in the six specimens of 



Trochocercus nitens (but the whole series present in all the 



five specimens of Trochocercus nigromitratus) . 



Campephaga quiscalina. Six specimens examined. 



Major under coverts on tbe manus ten, the 1st sometimes 

 reduced in size ; rudimentary major under coverts always 

 present on the cubitus. 



Sigmodus rufiventris. Six specimens examined. 



Major under coverts on the manus ten, the 1st small, as 

 noted in one case, and probably so in others ; rudimentary 

 major under coverts present on the cubitus in every case, 

 sometimes large and partly pennaceous, those next the carpal 

 joint forming a transition to the full-sized coverts on the 

 raanus. 



Nicator chloris and N. vireo. Seven specimens examined. 



Major under coverts on the manus ten, all of the full size 

 — at least generally ; major under coverts on the cubitus 

 entirely wanting in every case. 



Pomatorhynchus, Laniarius, Chlorophoneus, Dryoscopus, 

 Chaunonoti'S, Malaconotus. Twenty-eight specimens, 

 of nine species, examined. 

 Major under coverts on the manus ten, usually all of the 

 full size, but sometimes the first reduced ; rudimentary 

 major under coverts present on the cul)itus in the greater 

 number of cases, but wanting in Pomatorhynchus and Mala- 

 conotus (only one specimen of each examined) and wanting, 



