60 KANSAS CITY REVIEW OF SCIENCE. 



taceous, tertiary, pre glacial and glacial periods. They will make a useful addi- 

 tion to our school literature. 



The Transactions of the Academy of Science, of St. Louis; Vol. IV, No. 



2, octavo pp. 394. Published by the Secretary, $2.00. 



I 

 This handsomely printed volume contains important papers by Dr. G. Sey- 



ffarth, Profs. C. V. Riley, F. E. Nipher, C. A. Todd, H. S. Pritchett, Geo. 



Engelmann and E. A. Engler. We reprint one of these papers in the present 



issue of the Review, and shall present others to our readers in the future as may 



seem appropriate. 



OTHER PUBLICATIONS RECEIVED. 



Commercial Relations of the United States, Nos. 13, 14, 15, from Hon, R. 

 T. Van Horn ; Transactions of the Seismological Society of Japan, Vol. II, from 

 Prof. H. M. Paul; Bulletin of the U. S. National Museum, No. 22; Little 

 known Facts about well known Animals, from Prof, C. V. Riley ; Medicinal 

 Flora of Kansas, by Robt. J. Brown, Leavenworth, Kansas ; Time-Keeping in 

 Paris, by Edmund A. Engler, St. Louis, Mo. ; Report of the standing commit- 

 tee on water on the Impurity of the Water Supply of Boston, with the report of 

 Prof. Ira Remsen, on the subject ; Directions for Collecting and Preserving In- 

 sects, by Prof. A. S. Packard, Jr., M. D.; Retarded Development in Insects, by 

 Prof. C. V. Riley; the Palaeolithic Implements of the Valley of the Delaware; 

 What is Anthropology? a lecture by Prof. Otis T. Mason; The 17th Annual Cat- 

 alogue of Officers and Students of the Massachusetts Institute of Technology, 

 1881-2; Catalogue of Officers and Students of Marietta College, Ohio, 1881-2; 

 Hints for Painters, Industrial Publication Co., N. Y., 25c; The Silk- Worm, a 

 Manual of Instruction for the Production of Silk, by Prof. C. V. Riley; The 

 Pacific Northwest, Oregon and Washington Territory, from A. L. Maxwell. 



SCIENTIFIC MISCELLANY. 



SOME RECENT IMPROVEMENTS IN THE MECHANIC ARTS. 



BY F. B. BROCK, WASHINGTON, D. C. 

 automatic CASH SYSTEM. 



A novel apparatus, designed to take the place of cash-boys in large stores, 

 provides a cash-box, detachably secured to an endless cord by a spring-actuated 

 clamping-lever. The box rests on a grooved track, and is stopped by coming in 



