854 



THE POPULAR SCIENCE MONTHLY. 



communal houses of the Indians at the time 

 of the first white settlements in our country, 

 the pueblos of New Mexico and Arizona, 

 the structures whose ruins abound in Mex- 

 ico and Central America, and the mounds 

 of the mound-builders, illustrate a common 

 type of house-construction and a communis- 

 tic mode of living by the gens or tribe, which 

 are not peculiar to the American aborigi- 

 nes, but have appeared as elements in prim- 

 itive life at a stage between savagery and 

 barbarism, among many other nations. The 

 illustrations, drawn from and applied to all 

 the classes of structures under review, and 

 the historical citations, afford strong re-en- 

 forcements to the author's presentation. 



Geology of the Environs of Tokio. By 

 David Brauns, Ph. D., M. D., Professor 

 of Geology in Tokio Daigaku. Tokio, 

 Japan : Tokio Daigaku. 1881. Pp. 85, 

 with Eight Plates. 



This is Number IV of the " Memoirs " of 

 the Science Department of the University 

 of Tokio, and contains accounts of the ex- 

 aminations of the alluvial, diluvial, and ter- 

 tiary deposits of the neighborhood of Tokio, 

 Yokohama, and other parts of Japan, some 

 of which present difficult problems, and de- 

 scriptions of the fossils (mollusks). The 

 conclusion is reached that the Japanese 

 shell-layers which were examined have the 

 greatest resemblance with the Crag, and 

 next to it with the younger sub Apennine j 

 deposits, while the rocks resemble very 

 closely the European Faluns. The plates, ! 

 besides a sketch-map of the environs of 

 Tokio, give representations of earth-sections 

 and of some thirty typical fossils. 



Report on the Geology and Resources of 

 the Black Hills of Dakota. By Henry 

 Newton, E. M., and Walter P. Jenney, 

 E. M. Washington : Government Print- 

 ing-Office. Pp. 566, with Atlas. 



Professor Newton's part of this work 

 includes the general introduction, observa- 

 tions on the routes to and from the Black 

 Hills, and the account of the geological for- 

 mations of the region, as observed in his 

 survey during the summer of 1875. The 

 author died in 1877, before completing his 

 report, and the work of finishing it fell to 

 Mr. C. K. Gilbert, who has performed it 

 with fidelity to the author's intention, bear- 



ing in mind what has been learned concern- 

 ing the gold of the Black Hills since the 

 survey was made. Mr. Jenney's part of the 

 report is his own exclusively, and includes 

 a detailed review of the mineral resources, 

 and the climate and general resources, of 

 the Black Hills. Additional chapters, with 

 plates of illustrations, are furnished : On 

 " Paleontology," by R. P. Whitfield ; " Mi- 

 croscopic Petrography," by John II. Cas- 

 well ; "Botany," by Asa Gray; and "As- 

 tronomy" and "Barometric Hypsometry," 

 by Horace F. Tuttle. 



Measurements of the Force of Gravity at 

 Tokio and on the Summit of Fujino- 

 yama. By T . C. Mendenhall, Ph. D., 

 Professor of Experimental Physics in 

 Tokio Daigaku. Tokio, Japan : Pub- 

 lished by Tokio Daigaku. 1881. Pp. 

 17. 



This is Number V of the " Memoirs " 

 of the Science Department of the Univer- 

 sity of Tokio. The experiments were con- 

 ducted with a pendulum, in 1880, and pro- 

 duced results that seemed to show that the 

 mountain is deficient in attraction. 



PUBLICATIONS RECEIVED. 



Chemical and Physical Analysis of Condensed 

 Milk and Infants" Milk Foods. By Dr. Nicho- 

 las Gerbor. Translated and edited by Dr. H. 

 Endemann. New York. 1882. Pp. 101. Nine- 

 teen Plates. 



The Establishment of an International Tri- 

 bunal. By A. H. Stoiber. New York. 1882. Pp. 

 24. 



Catalogue of Southwick & Jenck's Natural 

 History Goods. Providence, Khode island. 1881. 

 Pp. 23. 



Quarterly Report of the Chief of the Bureau 

 of Statistics for the Three Months ended Sep- 

 tember 30, 1881. Washington: Government Print- 

 ing-Office. 1882. Pp. 130. ' 



Circulars of Information of the Bureau of 

 Education. No. 5. 1881. Washington : Govern- 

 ment Printing-office. 1881. Pp.47. 



Pulpit Talks on Topics of the Time. By the 

 Rev. J. II. Rylance, D. D. New York : I. K. 

 Funk & Co. 1882. Pp.46. 



Question-Book of Natural Philosophy. With 

 Notes, etc. Bv Albert P. Southwick. Ansonia, 

 Ohio. 1881. Pp. 16. 10 cents. 



Transactions of the New York Academy of 

 Si-iences, 1KS1-1882. Vol. i, No. 2. November, 

 1881. Published for the Academy. Pp. 29. 



Contributions to the Hi>tory of the Vertcbra- 

 ta of the Lower Eocene of Wyoming and New 

 Mexico. Made during 1881. By E. D. Cope. 

 Philadelphia, 1881. Pp. 98. 



Report of the Proceedings of the Ensilage 

 Coneross. Published by the New York Plow 

 Company. 1882. Illustrated. Pp.66. 30 cents. 



The Development History of the Flowers of 

 the Gunncra Chileusis. By William A. Keller- 



