512 BOOKS RECEIVED. 
of ikonina Physics and Chemistry, occupy perhaps no more 
space than usual, those in Natural History fill 409 pages. The 
papers are perhaps up to the average, but we notice two or three 
that might have been weeded out by the publishing committee. 
The volume appears with a commendable degree of promptness. 
G. R. Crorcu of England, known for his studies on the 
Coleoptera, died the last of June at Philadelphia, of consumption. 
He was the author of several valuable papers on Clo 
an indefatigable collector. He lately spent a year in Californi 
and Vancouver Island and adjacent regions, making extensive ee 
lections, mostly contained in the Museum of Comparative Zoology: 
BOOKS RECEIVED. 
anguservations on the genus Unio; with Descriptions of New Species, and Descriptions of Eniry 
nd soft Parts. Also New species Of Str beget and Limnæidæ. By Isaac Ley 
Piyiadepia, 1874, 22 plates. pp. 74. 4to. -Mareb, 1874, 
a ? a. 13 of tae Academy of Natural Sciences of Philadelphia, Partl. Jan.: 
pla 5. vo. ' 
Bulletin gS de la Societe d’Acclimatation. Paris. Fevrier, 1874. 8vo. 
i Sev rg ead Report of the Provost to the Trustees of the Peabody Institute of Pie Ciy iy of Bak 
more, i p iladelphia 
Pigg See age nora Report of the Board of Managers of the Zoological Society of Ph z 
p Tra nsmis on of Dis eas t P iiet Paper, Consumption. By A. C. Hamlin, of Bangor, 18%. 
p: sig 
Transfusion, By A. C. Hamlin, of Bangor, 1874. pp. 14. 
Annotated List of pa ds of Utah, By H. W. Hensha ai Fada 
Preceatings s of the Royal Society of Edinburgh. For 1872-73. VoL ath No. S p 
he Pr neip of pa al By W. 8 Stanley g a MacMillan and Doa rye at 
with plate. pp.487. 8vo. "Prite 500. ii. ee - 
eedings of the Boston Society of Natural History. 1874, Vol. xvi. Part 
orate on the Mammals of huang of Kansas, Colorado, Wyoming and Utah. dirs 
Mar Sg ist. p. 43-66. 8vo 
Me 3 
Al 
a gare Variation in Color among North American Squirrels. By J. A. Allen. 
74. pp 
ae aphical Variation in North American Birds. By J. A. Allen, Boston, 1872. 
0. 
hiefly Anatomical. Presented at the Portland Meeting of the Americ A 
for ti Adeancemeni of Science, August, 1873. By Burt G. Wilder. salem, isi pee 
0. th re 
Bulle tin of the Buffalo Society of Natural Sciences. Warren, Johnson and Co., Pr 
x ie. No. I bn Pp. i04. 8vo. pun . late, on- PP. 
Pla Monthly Report of the Department of Agriculture for June, 1874, Washingt 
Verhandlungen der kaiserlich-koniglichen Zoologisch-botanischen Geseltschaft in Wiens © 
xxiii. wie, 874, pp.740. 8vo. Maes plate ad On photograph, i Bri 
hand dlungen herausgegeben v naturwiss ed ti tlichen Vereine zu ; 
(Schluss) Heft iv. Band 4, Heft 1. aroi Ed. l Mulier, Bremen. “1873-1874. 8vo 
Tabeilen uber den Flacheninhalt des B en Staats, den Waesers' n 
n 
Di pper ` Ma thematic 
ett Gian ARATE ie sts a a 
1d 5 «| . 
ft. Wien by age ebel. Berlim 
Folge | Band vii vii visk piatek, 522 ond Band val, Syo. 
Ate der ten, pp. b22 Naturforschen pe. fee Freunde zu Ber 
Fin n Mensuel de la Societe d’Acclimatation. 3me Serie. Tome 1 No.3. 
Berliner, piaren NG Jahrg. xvii = poe plate. Jabrg 
Pake Dek D, Cove, aes ins 1 ppb Se eai Wina a Piene 
ada. T W. P 
bone real. toi. pp. 47. "io. “With 
