PUBLICATIONS RECEIVED. 
(Regular exchanges are nor included.) 
BüTsc rin O. Untersuchungen über Mikrostrukturen des yi Schwefels 
nebst Bemerk ungen über Sublimation, Ueberschmelzung und Uebersáttigung des 
Schwefels und einiger anderer Kórper. Lapi Engelmann, 1900. p" pp., 4to, 
ha ec" A plates. 11 marks. — CORRENS, C. Untersuchungen über die Ver- 
r Laubmoose. xxiv, 472 pp..8vo, d figs. 5 mai E 
M. logy. Translated Ton the — n by J. sei we. London, The 
Medina. bere 1900. pp. I o, 6 figs. cents. — HILLEBRAND, 
WwW. F ische Anleitu 7s zur frees der Silikagesteine. Nebst einer 
SE SEAR erase oan einige Prinzipien der ghar Hii Chemischen Forschung 
von F. W. Clarke und W. F. Hiilebrand. Uebersetzt und fiir den Gebrauch in 
Laboratorien herausgegeben von Dr. E. Zschimer. ‘Uaioe g, Engelmann, 1899. 
86 pp., 8vo. 2 marks. — LANKESTER, E. Ray. A Treatise on Zoólo ogy. Part III, 
The Echinodermata. By F. T Bather, J. W. Gregory, and E. S. G Goodid. 
London, Adam and Chas. Black, 1900. vi, 344 pp. $vo, 220 figs. 15/.— 
NICHOLSON, and AvERY, S. Laboratory Exercises, with Outlines for the 
Study of Chemistry. New York, Henry Holt & Co., 1899. x, 134 pp. 8vo, 26 
figs. 60 cents.— PLATE, L. Ue ber MAE Y und Tragweite des Darwin'schen 
gta tar ga an Leipzig, Engelmann, 1 153 pp. 8vo. 2 marks. — 
t 
e West Indian Species; Shipley, A. E., On a Collection of Echiurids from 
the Toit | Islands, etc. Cambridge, University Press, 1899. pp. 207-356. 1 
plat 
FARRINGTON, O. C, Ne ew Mineral Occurrences and hone Forms of Calcit 
States. Proc. U.S. Nat. Mus. Vol. xxii, pp. 179-198, 1 plate.— GREENE, CHAS. 
Contributions to the Physiology of the California Hagfish Zo/istotrema stru 
I. The Anatomy and Physiology of the Caudal Heart. Amer. Journ. of Pis. 
Vol. iii, No. 8. — KERR, J. G. The External Features in the Development of 
Lepidosiren paradoxa Fritz. Phil. Trans. l. cxcii, pp. 299-330, 5 plates. — 
MILLEPAUGH, Utowanæ. Plants collected in ud rto 
Rico, etc. The Antillean Cruise of the Yacht Ut Part I, Catalogue of the 
Species. Field C. Series, Vol. ii, No. 1, 110 pp.— G 
S., Jr. Seven New Rats collected by Dr. W. L. Abbott in Siam. Proc. Biol 
Soc. Wash. Vol. xiii, pp. 137-1 i erida H. otes on Some Birds 
from Santa Barbara Islands, Cal. Proc. U.S. Nat. Mus. Vol. xxii, pp- 220-234 
x uum & HC Catalogue of a Collection of Birds fen adagascar. 
E Mus. Vol. xxii, pp. 235-248. — OBERHOLSER, H. C. Notes on 
Birds collected, l by = W. L. Abbott in Cent U.S. Nat. Mus 
Vol. sori — VAUGHAN, T. W. A New il Species of Caryo- 
phyllia fm Cali ornia, and a New Genus and Species my Turbinolid Coral from 
Japan. Proc. U.S. Nat. Mus. Vol. xxii, pp. 199-203. 
(Wo. gor was mailed May 31.) 
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