1048 BULLETIN UNITED STATES GEOLOGICAL SURVEY. Wol.Y. 



1860. Hellmaxn, — . Notizeu iiber Alca impenuis uud Podiceps rubricollis. <[ J^ 

 f. O., vui, 1860, pp. 206, 207. 



Account of a specimen of A. vmpennU. 



1860. M'Clixtock, F. J. Tlie Great Auk [Alca impennis]. <C Zoologist, xviii, 1860, 

 p. 6981. 

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

 1860. Passler, W. Die Eier fler Alca impennis iu dentsclien Samraliingen. <^J.f.O., 

 viii, 1860, pp. 58-60. 



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

 niann's, Passler's — 5. 



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



<^ Gelehrten Anzeigen d. k. Bai/er. Alcad., 1860, pp. . 



Xot seen. I learn from the Zool. Rec. for 1868 that there is such a version, but am unable 

 to give the title. 



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



Sac. Xaf. Bint., viii, 1861, pj). 134-144, woodcc. on p. 135. 



This memoir recognizes four species of the restricted genus " Catarracteg'' — calling them C. 

 troille Lion., C. ringviaBTuun., C. lomvia Linn. (=arra Pall.). C. calif ornicus. p. 142, sp. n. 

 Cf. Ibis, 1862, pp. 185, 186. 



1861. Newtox, a. Abstract of Mr. J. ^Volley's Researches m Iceland resijecting the 



Gare-fowl or Great Auk (Alca impenuis, Linn.). <^ Ihin. iii, 1861, pp. 374-399. 



Kather a summary of the history of the species in many pariicidars, with the copious bib- 

 liogr.npbical and historical references which this scholarly author usually gives. 



1862, Bell, T. Occurrence of the Little Auk [Mergulus alle, iu Eugland] Inland. 



< Zoologist, XX, 1862, p. 7883. 



1862. BoLLE, C. Notiz, Alca impennis betreffend. <C.'f-f- O., x, 1862, jtp. 208, 209. 



1862. HOMEYER, A. V. Notiz zu Alca impennis. <^ J. f. O., x, 1862, jj. 461. 

 Specimen iu Mus. Senkenb. Xaturf. Gesell. zu Frankfurt a. AI. 



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



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



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

 1862. Newtox, 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. Preyek, W. Ueber Plautus impennis Briinn. <./. /. O., x. 1862, pp. 110-124, 

 337-356. 



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

 ent, including juuch historical matter. 



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

 Preyer. | — | Vou der Philosophischen Facultiit zu Heidelberg genehmigte | 

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

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



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

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



1862. Preyer, W. Der Brillenalk, (Plautus [Alca] impenuis) iu Europaischen Samm- 



luugen. < J.f. O. , X, 1862, pp. 77-79. 

 19 specimens. 



1863. Baer, K. E. V. tlber das Aussterben der Thierarten in phy.siologischer und nicht 



physiologischer Hinsicht iiberhaupt u. s. w. <^BuU. Acad. Imp. Sci. Sf.-Petersb., 

 vi, 1863, pp. 513-576, nebst Karte. 



This article i.s entirely devoted to Alca impennis, and consists chiefly of a German version 

 of St^enstrup's well-known meimoir. 



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



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



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

 p. 8332. 



