1054 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [Vol.Y. 



1872, "R. F. C." Mortality amongst Razorbills [Alcatorda]. <^ Zoologist, 2d sex., yu, 



1872, p. 3024. 

 From the London ' Field, ' Mar. 2. 

 1872. RiCKARDS, M. S. C. Mortality amongst Razorbills [Alca torda]. <^Zoologisi, 



2dser.,vii,1872, p.3023. 



1872. ScLATER, J. Mortality amongst Razorbills [Alca torda]. <C^ Zoologist, 'id &qx., 



vii, 1872, p. 3025. 



1873. Perkins, G. H. The Thick-billed Guillemot [Uria arra, in Vermont]. <^Am. 



i\^ai^.,vii,1873,p.240. 

 1873. [Salvin, O. ] [Notice of Brandt's Memoir on Alcidse, ] <C Ibis, 2d ser., iii, 1873, 

 p. 104. 



1873. Smith, Cecil. Guillemot [Uria troile] moulting its Quill-feathers. <^ Zoolo- 



gist, 2d ser., viii, 1873, pp. 3454, 3455. 



1874. Anon. TheGreat Auk [Alca impennis]. <^^m. /Spo/'fewww, iv, 1874,p. 401, fig. 1. 



1874. Gurnet, J. H. Note on the Changes of Pkimage in Guillemots [Uria troile] 

 and Razorbills [Alca torda]. <^Zoologist, 2d ser., ix, 1874, p. 39.54. 



1874. H[arvey], M. The Groat Auk [Alca impennis] in New Foundland. <^Forest 



and Stream, ii. May 28, 1874, j). 244. 

 1874. Newman, E. The Guillemots at the Zoological Gardens. < Zoologist, 2d ser., 



ix, 1874, pp. 4119, 4120. 



1874. "VVallis, H. M. How the Puffin [Fratercula arctica] ascends to its Nest. <^ Zo- 



ologist, 2d ser. , ix, 1874, pp. 4118, 4119. 



1875. Anon. Relics of the Great Auk [Alca impennis] on Funk Island. <^ The Lon- 



don Field, Mar. 27, Apr. 3, Apr. 10, 1875. 

 Not seen : perhaps three separate articles run together. 



1875. Anon. The Great Auk [Alca impennis], an Extinct English Bird. <^ Bod and 

 Gun, vi, Sept. 18, 1875, p. 375. 

 Eeprinted from the "Comhill Magazine." 



1875. Botes, F. Guillemot [Uria troile] bringing down its Young from the Cliff. 



< Zoologist, 2d ser., x, Feb., 1875, p. 4342. 



1875. [Elliott, H. W.] Birds that breed by millions [i. e., AlcidiB of North Pacific]. 



< Bod and Gun, vi, May 1, 1875, p. 66. 



1875. Gurnet, J. H. Variety of the Razorbill [Alca torda]. <.^oo%Js/, 2d ser., x, 

 Mar., 1875, p. 4382. 



"With yellow hill and feet. 



1875. Gurnet, J. H., Jr. Descent of the young Guillemot [Uria troile] from its Cliff. 

 <^Zoologist, 2d ser., x, Oct., 1875, p. 4666. 



1875. Gurnet, J. H., Jr. Young Razorbills [Alca torda] and Guillemots [Uria 



troile]. < Zoologist, 2d ser., x, Nov., 1875, pp. 4697, 4698. 



1876. Allen, J. A. The Extinction of the Great Auk [Alca impennis] at the Funk 



Islands. < Am. Nat.,x, No. 1, Jan., 1876, p. 48. 

 1876. Gurnet, J. H., Jr. Waterford Great Auk [Alca impennis]. <^ Zoologist, 2d 



ser., xi, Mar., 1876, pp. 4847,4848. 

 See p. 1449; respecting this specimen further information is here given. 

 1876. Gurnet, J. H., Jr. Attitudes of the Guillemot [Uria troile]. <^Zoologist, 2d 



ser., xi, June, 1876, p. 4958. 



1876. Gurnet, J. H., Jr. Scarcity of the Razorbill [Alca torda]. <^ Zoologist, 2d 

 ser., xi, June, 1876, p. 4959. 



1876. Gurnet, J. H., Jr. Scarcity of the Razorbill [Alca torda]. <^ Zoologist, 2d 

 ser. , xi, Aug. , 1876, p. 5048. 



1876. Gurnet, J. H., Jr. Breast-bones of Guillemots [Uria troile]. <C, Zoologist, 2d 

 ser.,xi, Sept., 1876, p. .5086. 



