32 PROCEEDINGS OF THE ACADEMY OF 



Apparently the bird described by that accurate and reliable naturalist Mr. 

 Verreaux, and happily named in honor of the most accomplished living orni- 

 thologist of Europe. From the Ogobai. 



10. Miceastur macrourus, (Hartlaub.) 



" Astur macrourus, Temm." Hartl. Cab. Jour. 1855, p. 353. 



One of the most beautiful of the Falconidse, and having for its nearest rela- 

 tives the American birds forming the genus Micrastur, G. R. Gray, and espe- 

 cially the larger M. brachypterus, (Temminck.) The present specimen is in 

 mature plumage, but is probably a different sex from that described as above, 

 and has the entire under parts of the body dark rufous chestnut. In the de- 

 scription by Dr. Hartlaub, the under parts are given as white, but the differ- 

 ence of the two specimens in color is not greater than, and in fact is similar 

 in some degree to, that of the male and female of Micrastur brachypterus. 



Adult ^ . Upper parts dark bluish brown ; upper tail coverts white ; under 

 parts dark reddish chestnut ; under wing coverts chestnut ; under tail coverts 

 white. Quills ashy brown, white beneath and with transverse bands of black ; 

 tail black, tipped with white and with about four irregular narrow bands of 

 white. Throat light cinereous ; feathers of the occiput and neck behind white at 

 base. Bill short, strong, rather abruptly curved, cere large; nostrils circular; 

 wings short, rounded, fifth quill longest ; tail very long, graduated ; feet 

 moderate. Total length about 25 inches, wing 11, tail 15, tarsus 3 inches. 

 From the Ogobai river. 



1 1. Aviceda cuculoides, Swainson. 



Aviceda cuculoides, Sw. B. of W. Afr. i. p. 104, (1837.) 

 Falco frontalis, Daudin? 

 Sw. B. of W. Afr. i. pi. 1. 



A single specimen in mature plumage from the Camma. If this bird is 

 Falco frontalis, Daudin, as stated by the Prince Bonaparte in Conspectus Avium, 

 p. 20, the description and figure of Le Yaillant are amongst the most astonish- 

 ing aberrations of ornithologists, which is saying much ! 



12. Scotopelia Pelii, (Kaup.) 



Ketupa Peli, Kaup. Jard. Cont. 1852, p. 117. 



Scotopelia typica, Bonap. 

 A singular species with naked tarsi and nearly related to the genus Ketupa, 

 It is well described by Dr. Hartlaub in Cabanis' Journal, 1855, p. 358. From 

 the Camma river. 



13. Bubo leucostictus, Hartlaub. 



" Bubo leucostictus, Temm." Hartl. Cab. Jour. iii. p. 354. 

 From the Camma river. 



14. Syrnium Woodfordii, (Smith). 

 Athene Woodfordii, Smith Zool. S. Afr. 



Smith, 111. S. Afr. Aves, pi. 71. 



Adults and young of this species from the Camma. 



15. Caprimulgus Fossir, J. Verreaux. 



Caprimulgus Fossii, J. Verreaux, in Hartl. Orn. W. Afr., p. 23 (1857.) 

 This is the only species received from Mr. Duchaillu, and is given erroneously 

 as C. binotatus in my catalogue of birds from the river Muni. In adult plu- 

 mage this species is easily recognized by the white tips of the larger external 

 coverts of the wings, and in nearly all the specimens that I have seen this 

 character can be traced. 



Specimens from Borneo and Sumatra in the Acad. Mus. which were received 

 from the Leyden Museum, appear to be the C. binotatus of Bonaparte's Con- 

 spectus, (i. p. 60) but came labelled " C. bisignatus Boie," and seem to be the 

 same as C. affinis, Horsfield. It is probable that the present species is C. 

 concretus, Bonap. Consp. as just cited. From the Camma and formerly re- 

 ceived from the Muni river. 



[Jan 



