638 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [Tol.Y. 



1870. Newtox, a. Ou the Northern Rauge of the Lesser Redpoll. <^ Zoologist, 2d ser. , 



V, 1870, p. 2223. 

 1870. RiCKARDS, M. S. C. Snow Bunting [Plectrophanes nivalis] on the Severn Bank. 



<; Zoologist, 2d ser. , v, 1870, p. 2140. 



1870. Wallis, H. M. Snow Bunting [Plectrophanes nivalis] at Aldeburgh. <^ Zoolo- 



gist, 2d ser., v, 1870, p. 1981. 



1871. Cabaxis, J. [Xotiz iiber die Gattung Pyrrhuhi and die in Sibirien vorkommeu- 



den Arteu.] < ,/. /. O., xix, 1871, pp. 316-319. 

 Diagnostic synopsis of 9 spp. Cf. Ibis, 1871, p. 232; J.f. O., p. 315. 



1871. GuRXEY, J. H. Early Occurrence of the Snow Bunting [Plectrophanes nivalis] 

 in Suiiolk. <; Zoologist, 2d ser. , vi, 1871, p. 2849. 



1871. Jones, J. M. Cardinal Grosbeak [Cardinalisvirginianns]. <^ Am. Xat.,x, 1S71, 

 p. 176. 

 At Halifax, Xova Scotia, Jan. 31, 1871. 



1871. SCLATER, P. L. A Revision of the Species of the Fringilliue Genus Spermophila. 



< Ibis, 3d .ser., i, 1871, pp. 1-23, pU. i, ii. 



Very complete ; analysis, synonymy, diagnosis, habitat of 24 spp. known to the author, with 

 critical commentarj- ; 11 other spp. similarly treated ; remarks on geographical distribution 

 of the genus. PL i, f. 1, 2, <S'. nigrarufa, cf , 9; fig- 3. ^- pUeata. PI. ii, f. 1, 2, S. aurita ; f. 3, 

 S. ocellata. 



1872. Bo YES, F. [On the usual resorts of the] Lesser Redpoll. <^Zoologist,2AieT., 



vii, 1872, p. 3313. 



1872. Cabaxis, J. [Ueber Pyrrhulacassini und P. cineracean. sp. au8 Sibirien.] <^J. 

 f. O., XX, 1872, pp. 315, 316. 



1872. HtJGEL, A. V. Redpole Breeding in Lancasliire. <^Zoo?0(/isf, 2d .ser., vii, 1872, 

 pp. 3147, 3148. 



1872. Leach, H. R. Snow Bunting [Plectrophanes nivalis, Sept. 20, 1872, between 

 Hunstanton and Thornham]. <:^ Zoologist, 2d ser. , vii, 1872, p. 3313. 



1872. ilAYXARD, C. J. A New Species of Pas.serculus [princeps] from Eastern Massa- 

 chusetts. <^ J»i. Xat., vi, 1872, pp. 637, 638. 



P. princeps, n. sp., the same formerly supposed to be Oentronyx bairdii (cf. op. cit., iii. 513, 

 554, 631 ; vi, 307). "With a note on Thalasseug fiaveUi^= Sterna forsteri. 



1872. NiCHOLSOX, F. Lesser Redpoll and Twite. <^ Zoologist, 2d ser. , vii , 1872, p. 3235. 



1872. PoRRiTT, G. T. Redpoll breeding at Huddersfield. < Zoologist, 2d ser. , vii , 1872, 

 p. 3235. 



1872. RiDGWAY, R. On the Occurrence of a Near Relative of ^giotlius liaviiostris 

 [var. brewsteri, n. v. ] at Waltham, Mass. <[ ^wi. Xat., vi, 1872, pp. 433, 434. 



1872. Rowley, G. D. [Remarks on exhibition of a specimen of Zonotrichia albicol- 

 lis, taken near Brighton.] <^ P. Z. 5., June 4, 1872, p. 681. 



For a previous occurrence of this species in Great Britain, cf. P. Z. S., 1870. p. 52. For fur- 

 ther notice of the present case, cf. Rowl. Orn. Misc., ii, pt. v, 1876, p. 75, pi. xlvi, f. 3. 



1872. Sclater, p. L. A Revision of the Species of the Fringilliue GenUvS Sycalis. 



<^ His, 3d ser., ii, 1872, pp. 39-48, pll. ii, iii. 



Of the 20 species assigned to the genus in Gray's ' Handlist, ' the author has not seen 2 : the 

 remaining 18 are merged in 10, the diagnostic characters, synonymy, and distribution of which 

 are given. One receives a new name (Sycalis pelzelni, p. 42). PI. ii, f. 1, S. chrysops .• f. 2, S. 

 lutea. PI. iii, S. aureiventris, c/,?. 



1873. "AiKEX, C. E." [(. e., Ridgway, R.— cf. Bull. Essex lust., v, 1873, p. 190. ] A New 



Sjjecies of Sparrow [Centronyx ochrocephalu.s, Aiken]. <[ Am. Xat., vii, 1873, 

 pp. 236, 237. . 



Afterward determined to be G. bairdi. 

 1873. B[aird],S. F. Note on Cassin's Pyrrhula [P. cassiui, Bd.]. <^Am. Xaf.,\u, 

 1873, p. 239. 



With reference to Cabanis's recent remarks: cf. J. /. O., 1871, p. 318; 1872. p. 315; 1873, 

 p. 314. 



