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Art. IV. — Description of a new rapacious Bird in the Museum of the Academy 

 of Natural Sciences of Philadelphia* By John Cassin. 



Genus Cymindis, Cuvier. Plate VII. 



C. Wilsonii, nobis, $ . Corpora toto supra nigro-fusco, in capite pallidiore, subtus albo, plumis totis a 

 mento usque ad caudoe tectrices inferiores nonnullis fasciis transversis nitide rufo-castaneis ; his colo- 

 ribus collum in vittam circumductis. Primariis quartis, quintis et sextis longissimis et fere paribus, 

 pogoniis externis fere nigris, internis primariorum externorum a basi pene ad medium albis, parte 

 reliqua rubida ad castaneum vergente, primario quovis (in pogonis interno) maculis duobus nigris et 

 inequaliter formatis, apice nigro. Cauda dorso concolore, nisi pallidiore, ad basin alba, fasciis ad 

 quatuor, latis, fere nigris, fascia ab apice secunda vitta angusta, rufa, obscure definita, comitata. 

 CaudjE apice subtiliter albo marginato. Rostro permagno (quam in quavis alia hujusce generis, specie 

 largiore,) flavido albo, ad basin coeruleum-corneum vergente. 

 9 . Corpore toto supra cceruleo-cinereo, in capite pallidiore, subtus fasciis concoloribus, ferrugineo tinctis. 



Long. tot. (exuviae maris) a rostri apice usque ad finem caudie, 17 poll, Hab. in Insula Cubie. 



Male. Body above entirely dark brown, paler on the head, beneath white, every 

 feather from the chin to the under tail coverts crossed by several bars of bright rufous 

 chestnut, and these colours extending upwards into a collar around the neck; 4th, 

 5th and 6th primaries longest and nearly equal, external webs nearly black, internal 

 v^^ebs of outer primaries white at base, and for nearly half their length remaining part 

 reddish inclining to chestnut, every primary (on its inner web) having two irregularly 

 shaped black marks, and tipped with black. Tail of the same colour as the back, but 

 paler, white at base and crossed by about four broad bars, which are nearly black, 

 the second bar from the tip accompanied by a narrow, rather indistinct bar of rufous ; 

 tip of tail narrowly edged with white. 



Bill very large, larger than that of any other species of this genus, yellowish white, 

 inclining to bluish horn colour at base. 



Female. Body above entirely light bluish ash colour, paler on the head, beneath 

 barred with the same, the bars having a ferruginous tinge. 



Total length, (skin of the male,) from the tip of the bill to the end of the tail 

 seventeen inches. 



Hab. Island of Cuba. 



The two specimens here described were presented to the Academy by its esteemed 

 member, Richard C. Taylor, Esq., the eminent geologist, who has kindly furnished 



* Proceedings of the Academy of Natural Sciences, April, 1847. 



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