576 Mr. (Jr. L. Bates on the Reversed [Ibis, 



being absent ; in some of the others the 1st was reduced in 

 size. The presence or absence of the rudimentary major 

 under coverts on the cubitus was found to vary among the 

 members of this group, and even among individuals of some 

 of the species : in Criniger they were always present ; in 

 Bleda tricolor, always absent; in Phyllostrephus and Andro- 

 padus there were generally none, or only one or two, found ; 

 in Lronotus guttatus none, or only a few ; in Pycnonotus 

 gahonensis these rudimentary coverts were in some cases all 

 present, in some a few only, and in some none. Where 

 only a ^ev/ were found, they were situated near one or the 

 other of the extremities of the cubitus, those most frequently 

 present in tlie partial series being the 1st, the 7th, and 

 the 8th. 



Turdinus. Eight specimens, belonging to three species, 

 examined. 



Major under coverts on the manus ten, except in one 

 specimen, where the 1st was wanting ; rudimentary under 

 coverts either only a few present, or entirely wanting ; 

 where only a few were found, these were oftenest near the 

 proximal end of the cubitus, or, sometimes, the most distal 

 one of these rudimentary coverts (the 1st). 



Callene, Alethe. Seven specimens, of three species, ex- 

 amined. 



Major under coverts on the manus ten, the 1st some- 

 times reduced ; I'udimentary major under coverts on the 

 cubitus present in every case. 



Pliylloscopus trochilus, P. sibilatrix, and Sylvia. Seven 

 specimens examined. 



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

 reduced in size; rudimentary major under coverts on the 

 cubitus present in every case. 



Cisticola, Bathmedonia, Burnesia, Prinia, Calaniocichla, 

 Bradypterus. Twenty-eight specimens, of nine species, 

 examined. 



Major under coverts on the manus ten, in Calamocichla and 



