1036 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [Vol.Y. 



186-2. CoCES, E. Synopsis of the North Ainericau Forms of the Colyinbidft^ and Podi- 

 cipidae. <^ Proc. Acad. Nat. Sci. Phila.,xiv, 1862, pp. 226-233. 



Abstract of a monograph revised and published in 1874 in the author's 'Birds of the North- 

 west, ' q. V. Of Colymhidce are recognized 1 genus, Colymtus, with 5 spp.— forgwafM*, adamsii, 

 arcticus, pacificus, and septentrionalis. 

 Cf. Ibis, 1863, pp. 107, 108. 

 1863. Grill, J. W. Om Stor-Lommen, Colymbus arcticus. < Ofvers. Kongl. Vetensk. - 

 Akad. Forhandl. for dr 1862, xix, 1863, pp. 361, 362. 



1863. Stevenson, H. The Redthroated Diver (Colymbus septentrionaUs) in Norfolk. 



< Zoologist, sxi, 1863, p. 8331. 



1864. Blake-Kxox, H. Scarcity of the Redthroated Diver [Colymbus septentrion- 



alis] ami plenty of the Great Northern Diver [C. torquatus] iu Dublin Bay. 



< Zoologist, xxii, 1864, p. 8963. 



1864. BOULTON, W. W. Redthroated Diver [Colymbus septentrionaUs] near Bever- 

 ley. < Zoologist, xxii, 1864, p. 9048. 



1864. Bruch, C. Polar taucher [Colymbus arcticus] in Uugarn. <C,Zool. Gart., v, 

 1864, pp. 26, 27. 



1864. COTIES, E. The Crania of Colymbus torquatus and C. adamsii compared. 

 <Proc. Acad. Nat. Sci. Phila.,:s\i, 1864, pp. 21, 22. 



1864. HiNTZ I., W. Ueber den Nestbau von Colymbus arcticus [u. s. w.]. (Anlage I. 



zum Protocoll der vierten Versamml. der Omithologeu Mecklenburgs, 1. u. 2. 

 October, 1863). <^J.f. 0., xii, 1864, pp. 66-68. 



Inhalt sowje a) merkwurdiger Nestbau einiger Vogel, b) Ueber Nucifraga caryocatactes, 

 c) Syrrhaptes paradoxus. 



1865. Bock, — . Die Mauser des Eudytes arcticus [u. s. w.]. < tf. /. O. , xiii, 1865, 



pp. 367, 368. 

 1865. Bree, C. R. Note on the Great Northern Diver (Colymbus septentrioualis). 



< Zoologist, xxiii, 1865, p. 9629. 

 Cf. Umi. dt., p. 9697. 



1865. Bree, C. R. Correction of an Error [Zool.,p. 9629]. <^ Zoologist, xxiii, 1865, 



p. 9697. 

 1865. Hodgson, C. B. Note on the Blackthroated Diver [Colymbus arcticus]. <Zo- 



ologist, xxiii, 18S5, p. 9566. 



1865. Jeffrey, W., Jr. Great Northern Diver [Colymbus torquatus] on the Sussex 



Coast. <^ Zoologist, xxiii, 1865, p. 9419. 



1866. Clogg, S. Change of Plumage in Great Northern Diver [Colymbus torquatus]. 



<^ Zoologist, 2d ser., i, 1866, pp. 99, 100. 

 1866. CouES, E. The Osteology of Colymbus torquatus; with Notes on its Myology. 



< J/m. Boston Soc. Nat. Hist., i, pt. ii, art. i, Apr., 1866 (read Sept., 1863), 

 pp. 131-172, woodcc. 1,2, pi. 5, figg. 1-4. (Issued separately. 4to, paper. ) 



A detailed purely descriptive account of the skeleton, with less elaborate description of all 

 the principal muscles : including some notice of the mechanism involved. The woodcc. 

 show the sternum and scapular arch (2 views) ; the pi. shows the skull (3 views) and profile 

 of the pelvis and posterior extremity. (Cf. Ibis, 1868, p. 229.) 



1866. FULFORD, J. L. L. Great Northern Diver [Colymbus torquatus] near Bridport. 



<^ Zoologist, 2d ser., i, 1866, p. 145. 

 1866. Harvle-Brown, J. A. Nesting of the Blackthroated Diver [Colymbus arcticus]. 



<^ Zoologist, 2d ser., i, 1866, p. 525. 



1866. RODD, E. H. The Great Northern Diver [Colymbus torquatus] : Summer and 



Winter Pltunage. <C Zoologist, 2d ser., i, 1866, p. 99. 



1867. Clogg, S. Great Northern Diver [Colymbus torquatus] at Looe. <^ Zoologist, 



2d ser., ii, 1867, p. 9.51. 

 1867. Cornish, T. Redthroated Diver [Colymbus septentrionaUs] netted at Pen- 

 zance. < Zoologist, 2d ser., ii, 1867, p. 992. 



