176 FIELD MUSEUM OF NATURAL HISTORY ORNITHOLOGY, VOL. I. 



165. Sigmodus retzii graculinus (Cab.). 



Prionops graculinus Cabanis, Journal fur Ornithologie, 1868, p. 

 412, pi. 3. Mombasa, British East Africa. 



d\ 9, 9, Apr., Voi. 



Family Laniidse. 



166. Lanius excubitorius Prevot & Des Murs. 



Lefebre Voyage en Abyssinie, Zoologie, VI. (1850), p. 99. Abys- 

 sinia. 



d\ 9 , Feb., Lake Elmenteita. 



The wing measurements of these specimens are 107 mm. and 109 

 mm., respectively. The upper tail-coverts are pale gray, nearly 

 white. The black bar on the outer rectrix of the male is 31 mm. 

 wide, and of the female 22 mm. It thus appears that these birds are 

 intermediates between excubitorius and bcehmi, but their small size 

 rules them out of Neumann's intercedens "Flugellange 116124 

 mm."* 



167. Lanius caudatus Cabanis. 



Journal fur Ornithologie, 1868, p. 412, Mombasa, British East 

 Africa. 



9 , Nov., Athi River. 



9 , Apr., Voi. 



cT im., Dec., Lucania. 



The immature specimen has the crown, nape, rump and upper 

 tail coverts still in juvenile dress. The breast and flanks show num- 

 erous obsolete bars. 



See SCHIEBEL, Journal fur Ornithologie, 1906, p. 174, distribu- 

 tion. 



168. Lanius collaris humeralis (Stanley] 



Lanius humeralis Stanley, Salt's Travels, Appendix, 1814, p. 51. 

 \byssinia. 



cT, cf, cT, 9, 9 juv., 9 juv., ? juv., Jan., Kijabe. 



9 , 9 , 9 , Dec., Lucania. 



9 , 9 , c?' im., Oct., 9 , 9 im., Nov., Nairobi. 



9 Feb., Lake Elmenteita. 



* J. f. O. 1905, pp. 328, 229. 



