1054 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [FoZ.V. 



1872, "R. F. C." Mortality amongst Razorbills [Alca torda]. <^ Zoologist, 2d ser., vii, 



1872, p. 3024. 

 From the London ' Field, ' Mar. 2. 

 1872. RiCKARDS, M. S. C. Mortality amongst Razorbills [Alca torda "j. <^Zoologist, 



2d ser., vii, 1872, p. 3023. 



1872. SCLATER, J. Mortality amongst Razorbills [Alca torda]. <^Zoologist, 2d ser., 



vii, 1872, p. 3025. 



1873. Perkins, G. H. The Thick-billed Giullemot [Uria an-a, in Vermont]. <-im. 



Jn«^, vii, 1873, p. 240. 

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

 p. 104. 



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



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



1874. Anon. TheGreat Auk [Alca impennis]. <^^//i. 5jJ0/-^s»ia«, iv, 1874, p. 401, fig. 1. 

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



aud Razorbills [Alca torda]. ^Zoologist, 2d ser.. ix, 1874. p. 3954. 

 Ic74. HfARVEY], M. The Great Ank [Alca impennis] in New Foundland. <^Forest 

 and JStream, ii, May 28, 1874, p. 244. 



1874. Newman, E. The Guillemots at the Zoological Gardens. <!^ Zoologist, 2d set., 

 ix, 1874, pp. 4119, 4120. 



1874. Wallis, H. M. How the PulBn [Fratercula arctica] ascends to its Nest. <^ Zo- 



ologist, 2d ser., ix, 1874, jip. 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. <[ Hod and 



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

 Eeprinted from the "ComhUl 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., Alcidie of North Pacific]. 

 <^ Sod and Guy, vi, May 1, 1875, p. 66. 



1875. Gurney, J. H. Variety of the Razorbill [Alca torda]. <l Zoologist, 2d ser., x, 

 Mar., 1875, p. 4382. 

 "With yellow bill and feet. 



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

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



1875. Gurney, J. H., Jr. Young Razorbills [Alca torda] and GiuUemots [Uria 



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



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



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



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



ser., xi. Mar., 1876, pp. 4847,4648. 

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

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



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



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

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



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

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



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

 ser., xi, Sept., 1876, p. 5U86. 



