192 ANSWERS TO CORRESPONDENTS. — BOOKS RECEIVED. 
Dr. O. Norpsrep describes in the sixth part of the “ Ofversigt” 
of the Stockholm Academy of Sciences for 1872 the Desmidiacere 
collected by the Swedish expeditions in 1868 and 1870 to Spitz- 
bergen and Bear Island. Fifty species are enumerated, nine being 
described as new, and carefully figured.— Journal of Botany. 
ANSWERS TO CORRESPONDENTS, 
R. S., Canandaigua, N. Y.— The birds referred to by you are, as you supposed, 
ng e snow bunting ( Plectophan es ni ives sce nd the snow bird (Junco hyemalis). Their 
habitat is given in Coues’ * “Key to North A mertean Birds,” and “we ap are quite 
fully described in the works of Wilson, Audubon and Nuttall, — J. A 
BOOKS RECEIVED. 
Bidrag till Ofversigt af sveriges vd Upsala, il literatur, Akademisk Afhandlung som med 
vidiberomda filoso y igi Jakultetens i sala e nang pl ee ag Gradens erhallende till 
‘entlig grans. cit AES mstalles af Fredr è pp. 56. stockholm Be 
ira e Cole ië Exotiques en vente bed i z "Boucari. ` tig 8. “oo parna pp. 3 Lond 
yas of t ag pa on of Mammoth Cave. By L. oe he rbank. (From Proc. Bos Soc. 
Nat. Hist.) 8vo. ae 
On the Gigantic ‘ossil Mammals of the order Dinocerata. By O.C. Marsh. (From Am. Jour. 
Sci. and sendy, Feb., 1873.) 8vo. Pp. 8, 2 prts Received Jan. T. 1873 
Half-hour ogee yt we Pe fa x Scien nce PE RAAE Action of the Brain and Epidemic 
bag ter pp. 64 Boston, 187 
Third and d Bourih an poodle, I Reporis of the ed UN of Indiana, made during the years 
Ip. 488 : oe 187 
Cenkridke, 1373. 3 
E RN Zeitung. 8vo. pp. 494. With ft ates, merr tin, 
German by George R. Cut vo. pp. 658. Tilustra led by Er) engravings. New York, 1872. 
Jahrbuch der kaise iserlich-konigiichen geologischen Teiche nitan. paon Wu. No.3. 8v0. pe: 
re 4 plates. Mineralogische Mitt: ~ gesammelt von Gustav Tschermak. Jahrgang, 187 
21. 1 plate. Bruxelles. 
est-ce que Vaile rong Insecte. Par Felix Plateau. 8vo. pp. 10, 2 plates. 
ge rift for Caer ioe naven, Lt tad af Naturvidenskaben, Fjerde Række. Fjerde Binds. 
Sjette Herte. have) 
Proceedings a the New E sii EA - Genealogical Society, at the Annual Meeting, January 
piep pikis ri the Families of Mammals, (From Smithsonian Miscellaneous Collections.) 
Theodore G) 8vo. pp. 98. Washington, 1872, 
of the Indiana State Board of Agriculture, 1872, including the Re- 
ey gg ses T. Cox, State eoit, gt eve and 18i2. 8vo. p $32. a 
gitdi ‘h Report of the Superint endent of Public Instruction for t the St e of Indiana, 8vo, 
pp. 424. Indian 1872. 
Diagram asain ¢ Progress of the Anthracite Coal Trade of Pennsylvania, By P. W. 
Resulis of Recent Dredging Expeditions on the oo of New England. (From Am. Jour. Sei. 
and perii A. E. Verrill. 8yo. a bee January 18, 1873, 
Land and Water. ie focs, Nos, Bulletin ae la Societe des Sciences goa os 
1872; Jan. 4, 18, 25, F 1873. de Nen hatel. Neuchatel. Tom Ca- 
The Field. London. p Sag 28, 1872; hier 2. 1872. 
Jan. 4, 18, 25, Feb. 1, 1873. Le Naturaliste Canadien. Quebec. Vol. Y, 
. London. Nos. for Dec., 1872; Jan, No. 1. Jan., 1873. 
Sie 33, 1518. The Journal of Applied Science, London. 
The Academy. Nos. for Dec. 15, Vol. iii. Nov.1, A 
1872; Jan. 1, 15, Feb. 1, 1873. Bulietin of the Torrey Botanical Club. New 
The American Journai of the Medical Sciences. York. Vol.iv, No.1. 1873. 
Jan., iE. si See one ti pa = Paris. Jan. 18, 25, Feb. 
The Popular Science . New Yor : 
_ Jan, and Feb., The Arts. 
1873. a, Science and 
i Mensuel de la Societe d’ Acclimatation, “New Hav v Haven, oe v. Feb., 1873. 
Paris. noma Nos, ptt Sept, and "yne PE aage Ea ga Philade 
Sis 
Ms oS Sse Sip tad) eee ae ae 
