PUBLICATIONS RECEIVED. 
(Regular exchanges are not included.) 
BOPPE, L., and JOLYET, A. Les Forêts, Traité pratique de sylviculture. Paris, 
Pailliere, 1901r. xi, 488 pp., 8vo, 94 figs. 8 francs. — CREW, Henry. The Ele- 
ments of Physics for Use in High Schools. Second edition revised. New York, 
Macmillan, 1900. xv, 353 pp» 8vo, 266 figs. $1.10. — DAVENPORT, C. B. and G. C. 
Introduction to Zoology, a Guide to the Study of Animals for the Use of Second- 
Schools. New York, Macmillan, 1900. xii, 412 pp. 8vo, 306 figs. $1.10. 
— DougcLass, EARLE. The Neocene Lake Beds of Western Montana and Descrip- 
tions of Some New Vertebrates from the Loup Fork. Missoula, The University 
of Montana, 1899, 27 pp. 4 plates. — HAcKER, V. Der Gesang der Vógel, seine 
anatomischen und biologischen Grundlagen. Jena, Fischer, 1900. viii, 102 pp.» 
8vo, 13 figs. 3 marks. — JoRDAN, D. S., an KELLOGG, V. L. Animal Life. 
New York, Appleton, 1900. ix, 329 pp» 180 figs. — KiLIAN, W. Album de 
Microphotographies de Roches Sédimentaires Faites par Maurice Houllacque. 
Paris, Gauthier-Villars, 1900. 14 pp. 4to, 69 plates. — MOSES, A. J., and PARSONS, 
C.L. Elements of Mineralogy, Crystallography and Blowpipe Analysis. New 
and enlarged edition. New York, D. van Nostrand & Co., 1900. vii, 414 pp. 8vo, 
4 figs. — OESTLUND, Oscar W. A Laboratory Guide in Entomology. Minne- 
apolis, H. W. Wilson, 1900. 49 pp. 8vo, 8 figs. 50 cents. — REBMANN and SEILER. 
The Human Frame and the Laws of Health. Translated from the German by 
F. W. Remble. London, J. M. Dent & Co., 1900. 148 pp., 16mo, 32 figs. 40 cents. 
Temple Primer Series.— V. SCHOELER, HEINRICH. Probleme und kritische 
Studien über den Monismus. Leipzig, Engelmann, 1900. viii, 107 pp. 8vo. 
2 marks. — SwINHOE, C., WALSINGHAM, LORD, and DURRANT, J. H. Catalogue 
of Eastern and Australian Lepidoptera Heterocera in the Collection of the Oxford 
University Museum. Part II, Noctuina, Geometrina, and Pyralidi Oxford, 
Clarendon Press, 1900. viii, 632 pp- 8vo, 8 plates. $10.50. 
ANKs, N. A List of Works on North American Entomology. U. S. Dept. 
Agr., Div. Entomol., Bull. No. 24 U. S. 95 pp. — BUMPUS, H.C. Contributions 
n 
Fishery of Maine. Bull. U. S. Fish Commission for 1899, pp- 
XXVIII-XXXIIL— Error, D. G. Description of an Apparently New Species 
of Mountain Goat. Field Columbian Mus. Put. Zoó Vol. iii 
pp. 1-4, 4 plates. — GORHAM, F. P. i 
tory of the U. S. Fish Commission, Woods Holl. 
Fish and its Cause. Bull. U. S. Fish Commission for 1899, pp. 33-37. ! 
— GREEN, E. H. Contributions from the Biological Laboratory of the U. S. Fish 
Commission, Woods Holl. The Chemical Composition of the Sub-Dermal Con- 
nective Tissue of the Ocean Sunfish. Bull. U. 5. Fish Commission for 1899, pp. 321- 
The Gas-Bubble Disease of 
