790 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [FoI.V. 



1837. Mackay, [R.] Snr lesma?urs dii Viiltur [Sarcorhamphus] papa L. <^L'In8ti- 

 tut, V, No. 218, 18.37, p. 263. 

 Pa.s vii moi-nienie : le titr6 de Carus et Engelmann. Article extr. des P. Z. S., 1836, p. 107. 



1837. OwEX, Richard. [Dissection of the Head of the Turkey Buzzard (Cathartf^s 



aura) and that of the Common Turkey. ] <^P.Z.S., v, 1837, pp. 34, 3.5. 

 1837. , Sells, W. [On the Habits of Cathartes aura. ] <^P. Z. S., v, 1837, pp. 33, 34. 



1837. Sells, W., and Owen, R. Extract from the "Proceedings of the Zoological 



Society " relating to the Hahits of the Vultur [Cathartes] Aura. <^ CMrlesw. 

 Mag. Nat. Hist., i, 1837, pp. 638-641. 

 Mr. "W". Sells' paper, with It. Owen's anatomical notes. 



1838. Mackay, "L." [i. e., R.] Ueber die Lebensart des Vultur [Sarcorhamphus] 



papa. < Oken's Isis, Bd. xxxi, 1838, p. 207. 

 Auszfige aus Proceedings of the zoological society of London, iv, November 1836, p. 107. 



1838. Owen, Richard. Dissection de la tete du Vultur [Cathartes] aura. <^L'In8ti- 

 tut, Yi, No. 243, 1838, pp. 277, 278. 

 Pas vue moi-meme. Extr. des P. Z. S., 1837, pp. 34, 35. 



1838. SCHOMBURGK, R. H. On the Habits of the King of the Vultures (Sarcorrham- 

 phus papa). <] Annuls of Xat. Hist., ii, 1838, pji. 255-260. (Fror. Notizen, ix, 

 No. 195, 1838, pp. 289-293.) 



1838. Sells, W. [Sur Ics mceurs du Vultur (Cathartes) aura.] <^L'Institut, vi,'No. 



243, 1838, p. 277. 

 Pas vu moi-meme. "Voir P. Z. S., 1837, pp. 33, 34. 



1839. Sells, W. Ueber das Betragen von Vultur [Cathartes] aura. <^ Oken's Isia, 



Bd.xxxii,1839,p.l43. 

 P. Z. S. London, Marz 14, 1837, pp. 33, 34. 



1844. SCHOMBURGK, R. [H.] Ueber die Lebensart des Geyerkonigs (Sarcoramphus 



papa). < Oken's Isis, Bd. xxxvii, 1844, pp. 673, 674. 



Ann. Nat. Hist, ii, 1838, pp. 255-260. 



1845. Cassin, J. Description of a new Vulture [Cathartes burroviauus] in the Mu- 



seum of the Academy of Natural Sciences of Philadelphia. <1 Proc. Acad. Nat. 

 Sd. Phila. , ii, 1845, p. 212. 



1846. An-on. [Exhibition of a foetal Condor.] < P. Z. fi-. , xiv, 1846, p. 44. 



1846. Anon. [Exhibition of a foetal Condor.] <^Ann. Mag. Nat. Hist., xviii, 1846, p. 



129. 

 From P. Z. S., May 12, 1846. 



1847. Gosse, P. H. John-Crow Vulture, (Turkey-buzzard, Wilson ; Cathartes aura, 



Vulture aura, Linn; Cathartes aura lUiger.) Ann. pi. 151. <^Edinb. Neio 

 Philos. Jo!<rH., xliii, 1847, pp. 90-94. 



Extract from "The Birds of Jamaica," p. 1. On its habits, especially with reference to 

 the senses of sight and smell. 



1847. TscHUDi, J. J. [v.] The Condor [Sarcorhamphus gryphus] of the Cordillera. 

 <^ Edinb. New Philos. Jotirn, xlii, 1847, j)p. 387-389. 

 Extract from his "Travels in Peru," p. 300. 



1647. TsCHUDi, J. J. V. The Condor [Sarcorhamphus gryphus]. < Zoologist, v, 1847, 

 pp. 1772, 1773. 

 Extract from "Travels in Peru." 



1847. TscHUDi, J. J. [v.] Sur le condor [Sarcorhamphus gryphus] des cordillferea. 



< Arch, des Sc. Phtjs. et Nat., vi, 1847, pp. 177, 178. 

 Voyages au Perou, p. 300; Edinb. New Phil. Journ., avril 1847, pp. 387-389. 



1848. TOWNSEND, J. K. Popular Monograph of the Accipitrine Birds of N[orth]. 



A[merica]. — No. I [II]. <^ Lit. Bee. and Journ. Linn. Assoc, of Penna. College, 

 iv, 1848, pp. 249-255, 265-272. 



Only these two Numbers of the "Monograph" appeared, consisting of extended general 

 accounts of Cathartes [Sarcorhamphus] gryphus, 0. califomianus, O. aura, and certain FaV- 

 eonidce. 



