NOVITATBS ZOOLOQICAE XXII. 1915. 255 



72. Clamator cafer (Liilit.). 

 1 juv., iiroviuce of Zarin. 



7;?. Cuculus gularis Sti'iili. 



? ad, Zaria, 20. x. 1U12. 



1 believe that C. gularis is the same all over Africa, south of tlie Sahara, Imt 

 the question of the existence of various races has perhaps not received sufficient 

 attention. In 1802 {Mas. Hein. iv. p. 34) Cabanis & Heine separated a C. leptodetiis, 

 under the impression that tlie northern race had narrower bars on the underside. 

 This character is not constant, though there is in the Tring Museum a preponderance 

 of specimens with wider bars in the south, while northern birds have often soiuewliat 

 narrower liars. 



74. Pogfonorhynchus diibius (Gm.). 



S ad., province of Zaria. 



Judging from our specimens, the female is generally smaller and has the long 

 silky white feathers "on the sides finely spotted with black. The iris is clirome- 

 yellow, the feet are " rotgelb " (Riggenliacli, on labels). 



75. Lybius vieilloti rubescens (Temra). 



4 c?? ad., Zaria, September and November 191:i, 



The recognition of au eastern {L. v. cieilloti) and western form is almost too 

 tine for me. There is, in fact, no difference on the underside. I cannot find that 

 the western birds are more widely tijiped on the feathers of the underside, as 

 Mr. Ogilvie-Grant said ; and Count Zedlitz's statement, that the red spots on the 

 throat and foreneck are finer in L. v. xieilloti, wider and more running into each 

 other in L. t. rubescens, is not correct, but the appearance is mnch altered by 

 preparation. The only difference that can be found is the slightly greater extent 

 of the white spots to the feathers of the back in L. v. vieilloti (as restricted by 

 Grant and Zedlitz), while these spots are not quite as large in L. v. rubescens. 



About the nomenclature, etc., see O.-Grant, Ibis 1902, p. 420, Zedlitz, Jouni. 

 f. Oni. 1910, p. 740. 



76. Lybius leucocephalus (Fil.). 



Two specimens, probably both females, Zaria. The wings measure only 85-5 

 and SO mm., the white patches to the greater upper wing-coverts are somewhat 

 smaller than in specimens from the Upper White Nile and Uganda (Torn) ; whether 

 these slight differences are individual or peculiar to birds from Nigeria, cannot be 

 decided from two specimens. 



(A female from Toudola in Uganda, collected by Dr. van Someren, has the 

 tail black with the exception of one of the middle rectrices, which is white.) 



77. Mesopicos goertae centralis Rchw. 



Zaria, Kadnna River, and Uorin. I collected the same form at Loko, on the 

 Benne. 



No doubt J/, q. goertac (Senegal), M. g. centralis (Gambia to Lake Victoria), 

 M. g. koenigi (Nubia), aud M. g. ubyssinicus are good subspecies. I agree in this 



