320 [December, 



sharp slightly raised culmen, curved. Wing short, fifth and sixth quills longest: 

 tail rather long. 



Total length about 13J inches, wing 6, tail G} inches. 



Bill red. Entire upper parts, throat and breast amber brown, strongly tinged 

 with fulvous on the rump, and with greenish bronze on the wings and tail. 

 "Wing coverts tipped with white, forming two conspicuous bars diagonally cross- 

 ing the wing. Primaries with a single spot of pale fulvous on each web, larger 

 on the inner, tertiaries edged with pale fulvous on both webs. Under parts 

 from the breast white, tinged with cinereous on the sides. Tail amber brown, 

 with a greenish bronzed lustre, tipped with white, shafts of tail feathers above 

 yellowish white inclining to golden ; below white. Legs dark. 



Hab. Cape Lopez, Western Africa. Discovered by Mr. P. B. DuChaillu. 



This is the smallest bird of the genera Buceros and Tockus that I have ever 

 seen, and appears to be the smallest known species. It resembles in some mea- 

 sure T. mclanoleums as above mentioned, but is much smaller. Three specimens 

 are in the collection, essentially alike. 



29. Halcyon senbgalbnsis, (Linnaeus.) 



Alcedo senegalensis, Linn. Syst. Nat. i. p. 180,(1766.) 



Swains. Zool. 111. pi. 27. 



Not to be distinguished from specimens obtained at more northern localities. 



30. Caprimulgus binotatus, Temminck. 



Caprimulgus binotatus, Temm. Cabanis' Jour. 1855, p. 355. 



The only species of this group that has been received from the Gaboon coun- 

 try. It appears to be this species and is a true Caprimulgus allied to C.pecioralis, 

 Cuvier, C. poUoccphalus, Riippel and others. 



31. Anthreptes Frasbri, Jardine. 



Anthreptes Frazeri, Jard. 111. Orn. n. s. p. pi. 52. 



A single specimen very nearly as described and figured above, but having some 

 appearance of immaturity. 



32. Nectarinia cuprea, (Shaw.) 

 Certbia cuprea, Shaw. 



Cinnyris erythronotus, Sw. B. of W. Af. ii. p. 30, pi. 15. 

 Vieill. Ois. dor. pi. 27. 



Numerous specimens. The female and young are dull yellowish green above, 

 and dull yellow beneath ; totally unlike the male in plumage. 



33. Nectarinia cyanocephala, (Vieill.) 

 Certhia cyanocephala, Vieill. 



Cinnnyris chloronotus, Sw. B.ofW. Af. ii.'p. 136, pi. 16. 

 Vieill. Ois. dor. pi. 7, 25. Jardine Mon. pi. 10. 

 Apparently a common species at Cape Lopez. 



34. Centropus monachus, Riippell. 



Centropus monachus, Riipp. Faun. Abyss, pi. 21. 



A single specimen strictly identical with specimens in the Academy Museum 

 from Mr, Riippell's collection. Larger than C. senegalensis. 



35. Merops bicolor, Daudin. 



Merops bicolor, Daud. Ann. du Mus. ii. pi. 440, pi. 62, fig 1. 

 Merops malimbus, Shaw Nat. Misc. pi. 701. 

 Vieill. Gal. i. pi. 186. Le Vaill. Guep. pi.' 5. 

 Apparently abundant in Equatorial Africa. 



36. Merops Bullockioides, A. Smith. 



Merops Bullockioides, A. Smith, S. Af. Quar. Jour. 1834. 



Smith, 111. Zool. S. Af. Aves, pi. 9. 



Several specimens of both sexes are in the collection. 



