1048 BULLETIN UNITED STATES GEOLOGICAL SURVEY. yVoLY. 



1860. Hellmaxn, — . Notizeu iiber Alca impennis und Podiceps rubricollis. <^ J. 

 f. 0., viii, 1860, pp. 206, 207. 



Account of a specimen of .4.. impennis. 



1860. M'Clintock, F. J. The Great Auk [Alca impennis]. <^ Zoologist, xviii, 1860, 

 p. 6981. 

 Note of its alleged occurrence in South Grreenland "some 25 years ago." 



1860, Passler, W. Die Eier der Alca impennis in deutschen Sammlungen. <^J.f. 0., 

 viii, 1860, pp. 58-60. 



Mechlenburg's in Fleusburg, Schulz's in Neubaldensleben, Huhnel's in Leipzig, Thiene- 

 mann's, Passler's — 5. 



1860. Steenstrup, J. J. S. [A German Version of Ms Memoir on the Great Auk. ] 



<^ Gelehrten Anzeigen d. Jc. Bai/er. Akad., 1860, pp. . 



Not seen. I learn from the Zool. Hec. for 1868 that there is such a version, but am unable 

 to give the title. 



1861. Bryant, H. Monograph of the Genus Catarractes, Moehring. <^ Proc. Bost. 



Sac. Nat. Hist. , viii, 1861, pp. 134-144, woodcc. on p. 135. 



This memoir recognizes four species of the restricted genus ' ' Catarractes ' ' — calling them G. 

 troille liinn., G. ringviaHrmm.., C. lomvia Linn. (=arra Pall.), G. californicus, p. 142, sp. n. 

 Cf. lUs, 1862, pp. 185, 186. 



1861. Newton, A. Abstract of Mr. J. Wolley's Eesearches in Iceland respecting the 



Gare-fowl or Great Auk (Alca impennis, Linn.). <^ IMs, iii, 1861, pj). 374-399. 



Eather a summary of the history of the species in many particulars, with the copious bib- 

 liographical and historical references which this scholarly author usually gives. 



1862. Bell, T. Occurrence of the Little Auk [Mergulus alle, in England] Inland. 



< Zoologist, XX, 1862, p. 7883. 



1862. BOLLE, C. Notiz, Alca impennis betreffend. < J. f. 0., x, 1862, pp. 208, 209. 



1862. HoMEYER, A. V. Notiz zu Alca impennis. < J. f. 0., x, 1862, p. 461. 



Specimen in Mus. Senkenb. Naturf. Gesell. zu IFrankfurt a. M. 

 1862. King, S. Little Auk [Mergulus alle] at Sudbury. < Zoologist, xx, 1862, p. 7848. 



1862. Newman, E. Puffins [Fratercula arctica] in Winter. <^ Zoologist, xx, 1862, 

 pp. 8003, 8004, figg. 1, 2. 



1862. Newton, A. Abstract of Mr. J. Wolley's Researches in Iceland respecting the 

 Gare-fowl or Great Auk [Alca impennis]. <^ Zoologist, xx, 1862, pp. 8108-8130. 

 Reprinted from 'Ibis,' Oct., 1861, pp. 374-399, q. v. 



1862. Preyer, W. Ueber Plautus impennis Briinn. < J. /. 0., x, 1862, pp. 110-124, 

 337-356. 



Systematic position, bibliography and synonymy, geographical distribution, past and pres- 

 ent, including much historical matter. 



1862. Preyer, W. Ueber | Plautus impennis | (Alca impennis L.) | von | William 

 Preyer. | — | Von der Philosophischen Facultat zu Heidelberg genehmigte | 

 Doctordissertation. | — | Heidelberg, | druck von Adolph Emmerling. | 1862. 

 1 vol. 8vo. Titel und pp. 42. 



I. Ueber die Stellung des Brillenalks im System, pp. 3-17. II. Geographische Verbreit- 

 ung, p. 17. III. Gesohichte, pp. 18-42. 



1862. Preyer, W. Der Brillenalk, (Plautus [Alca] impennis) in Europaischeu Samm- 



luugeu. < J.f. 0. , X, 1862, pp. 77-79. 

 19 specimens. 



1863. Baer, K. E. v. tjber das Aussterben der Thierarten in physiologischer und nicht 



physiologischer Hinsicht iiberhaupt u. s. w. <^BuU. Acad. Imp. Sci. St.-P4tersh., 

 vi, 1863, j)p. 513-576, nebst Karte. 



This article is entirely devoted to Alca impennis, and consists chiefly of a German version 

 of Steenstrup's well-known memoir. 



1863. Blake-Knox, H. The Normal and Abnormal Puffins [Fratercula arctica]. 



< Zoologist, xxi, 1863, pp. 8331, 8332, fig. 



1863. Blake-Knox, H. Postscript to the preceding Paper. < Zoologist, xxi, 1863, 

 p. 8332. 



