Agricultural Experiment Stations. Bulletins and Reports. Delaware College; No. 44. Sorghum in 1898. By Charles L. Penny. Pp. 16.--Michigan State Agricultural College. Special, No. 11. Frozen Trees and their Treatment. Pp. 4; Nos. 166 and 167. Dairy Matters. By C. D. Smith and G. H. True. Pp. 30; No. 168. Michigan Fruit List. By L. H. Taft. Pp. 16; Michigan Bulletin of Vital Statistics, February and March, 1899. Pp. 20 each.--New Hampshire College: No. 58. The Cost of raising Calves. By Fred W. Morse. Pp. 12; No. 59. Tenth Annual Report. By Charles S. Murkland. Pp. 56; No. 60. Green Corn under Glass. By F. William Rane. Pp. 60; No. 61. The Inspection of Fertilizers in 1898. Pp. 12; No. 62. Forcing Pole Beans under Glass. By F. William Rane. Pp. 8.--New Jersey: Report of the Botanical Department for 1898. By Byron D. Halsted. Pp. 84; No. 135. The Poisonous Plants of New Jersey. By Byron D. Halsted. Pp. 28.--New York: No. 150. Two Small Fruit Pests. By F. H. Hall and V. H. Lowe. Pp. 5.--Ohio: No. 99. Sugar Beet Investigations in 1898. By A. D. Selby; United States Department of Agriculture. Some Insects Injurious to Garden and Orchard Crops. By F. H. Chittenden. Pp. 99; North Dakota Weather and Crop Service for December, 1898. By W. L. Moon and B. H. Bronson. Pp. 8. American Economic Association. The Federal Census. Critical Essays by Members of the Association. Pp. 516. Paper. $1. American Public Health Association. The Bertillon Classification of Causes of Death. Lansing, Mich. Pp. 40. Badenoch, L. N. True Tales of the Insects. London: Chapman & Hall. Pp. 255. Barber, Edwin Atlee. Anglo-American Pottery. (Old English China, with American Views.) Indianapolis, Ind.: Press of the Clay-worker. Pp. 170. $1.50. Bauer, L. A. The Physical Decomposition of the Earth's Magnetic Field, No. 1. Pp. 20. Is the Principal Source of the Secular Variation of the Earth's Magnetism within or without the Earth's Crust? Pp. 6. Bridges and Framed Structures. An Illustrated Monthly Magazine. Vol. I, No. 1. April, 1899. Chicago: The D. P. Rauck Publishing Company. Pp. 92. 30 cents. Campbell, W. W. The Elements of Practical Astronomy. New York: The Macmillan Company. Pp. 264. $2. Fairchild, H. L. Glacial Waters in the Finger-Lake Region of New York. Pp. 36. Glacial Lakes, Newberry, Warren, and Dana, in Central New York. Pp. 14. Fiske, John. Through Nature to God. Boston and New York: Houghton, Mifflin & Co. Pp. 194. $1. Greinger, S., M. D. A Case of Abnormally High Temperature subsequent to Attack of Tertian Ague. Pp. 5. Hague, Arnold. Presidential Address to the Geological Society of Washington, 1898. Abstracts of Minutes, etc. Pp. 48. Hollick, Arthur. Notes on Block Island. Pp. 20, with plates. The Relations between Forestry and Geology in New Jersey. Parts I and II. Pp. 24. Additions to the Palæobotany of the Cretaceous Formation on Staten Island. No. II. Pp. 12, with plates.