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"Distribution of the more Important Forest Trees in the Gulf Region." The editor contributes observations in forestry matters made by him during a recent journey in Europe; Professor Spalding, of Ann Arbor, a paper on "Forestry in Michigan"; and Dr. Warder, of Ohio, accounts of experimental forest plantations in Iowa and near Waukegan, Illinois.

The Scientific and Technical Reader. London, Edinburgh, and New York: T. Nelson & Sons. Pp. 400. Price, 2s. 6d.

The "Reader" is a compendium of brief selections in different departments of science, usually from standard authors, arranged so as to present a general order of collection, and designed to instruct the reader on the subjects discussed in an agreeable manner. The selections are classified and arranged under the heads "Geographical," "Geological," "Botanical," "Zoölogical," "Physiological," "Physical," and "Technical."

Tables for the Use of Students and Beginners in Vegetable Histology. By D. P. Penhallow, B. S. Boston: S. E. Cassino. Pp. 41. (With blank pages for notes.)

This work was first conceived as an aid to the author's own students in vegetable histology. It has been prepared with the aim to bring together the most prominent facts and reactions of an elementary course of histology in such a manner that the student may have them on his work-table ready for immediate and constant reference, and may use them as a general guide. The work being tentative, it has been deemed desirable not to make it too extended till the plan has been approved by qualified judges.

Transactions of the Linnæan Society of New York. Vol. I. New York: Published by the Society. II. B. Bailey, Corresponding Secretary. Pp. 168. Price, paper, $2; cloth, $3.

The Linnæan Society of New York was formed in 1878, with eleven members, and was organized with Clinton Hart Merriam as president; Harold Derrick as vice-president; and Ernest Ingersoll as secretary. Abstracts of its proceedings and various papers read before it have appeared in different scientific serials, but it has felt the need of a direct medium of publication. The outgrowth of that need is the present volume, executed in the highest style of the printer's art, with thick paper and wide margins—a volume worthy of the objects of the society, and of the valuable and interesting papers which it contains. The papers are: "The Vertebrates of the Adirondack Region, Northeastern New York (General Introduction—Mammalia; Carnivora), by Clinton Dart Merriam, M. D.;" Is not the Fish-Crow (Corvus ossifragus, Wilson) a Winter as well as a Summer Resident at the Northern Limit of its Range?" by William Dutcher; and "A Review of the Summer Birds of a Part of the Catskill Mountains, with Prefatory Remarks on the Faunal and Floral Features of the Region," by Eugene P. Bicknell. The volume is adorned with a steel-plate portrait of Linnæus, from an old engraving in the possession of Mr. L. S. Foster, as a frontispiece.

Ansichten über die Ursachen der Vulcane (Opinions on the Causes of Volcanoes). Pp. 6. Neptunisch oder Plutonisch? (Neptunian or Plutonian?) Pp. 14. Both by Ed. Reyer, Vienna.

The first of these papers is a review of the three theories—those of interior heat, chemical action, and mechanical action—of the origin of volcanoes, with a discussion of the causes of eruptive phenomena and outbreaks. The second essay considers the relations of granite, porphyry, and lava, and the origin of granite.

The Foundation Principle of Education by the State. By Samuel Barnett. Boston: New England Publishing Company. Pp. 11.

This pamphlet includes the substance of an address delivered before the joint session of the National Teachers' Association and the National Institute of Instruction at Saratoga, in July last. The purpose of the address is to show the close connection between the educational development of citizens and the welfare of the State, and the interest the State has in seeing that educational facilities are provided and improved.