1891.] Proceedings of Scientific Societies. 399 
Actiniz may be easily preserved expanded and intact, and Hydroids 
of all genera yield good specimens. The transfer to fresh sea-water is 
the only point requiring care. No time limit can be given, as the 
factors are too variable ; but a little practice is sure to show the charac- 
ter and advantages of this method.—H. B. Warp, Cambridge, Mass. 
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 
Boston Society of Natural History.—December 3d, 1890.— 
Dr. J. Walter Fewkes spoke of ‘ The Summer Ceremonials of the Zuñi 
Indians: a Study of Aboriginal Religion.” 
December 17th.—Prof. A. E. Dolbear read a paper on “ The Physics 
of Crystalline and Cellular Structure.” A communication on ‘‘ Kame 
Ridges and Hillocks of Hingham,” by Mr. T. T. Bouvé, was also 
presented, 
January 7th, 1891.—Business: Election of members, Final action 
on the: proposed new by-laws was taken by the society. Mr. J. G. 
Owens read a paper on “ʻA Few Games of the Zuñi Indians.” 
January 21st.—Prof. A. E. Dolbear read a paper on “ The Physics 
of Crystalline and Cellular Structure ”’ 
February 4th.—Mr. G. H. Barton described ‘“ The Hawaiian Islands: 
Their Natural History and Inhabitants.”’ The paper was illustrated with 
astereopticon. Mr. J. H. Emerton exhibited a new model of Oahu, 
which he has lately made for the museum of the society. 
February 18th.—Mr. Warren Upham spoke of ‘“ Walden, Cochituate, 
and other Lakes Enclosed by Modified Drift.’’ Prof. W. H. Niles 
presented a paper on ‘‘ Notes upon Asphaltum Deposits in California.”’ 
March 4th.—Prof. W. M. Davis presented a paper entitled ‘ Illus- 
tration of the Faulted Monoclinal Structure and Topographic Devel- 
opment of the Triassic Formation of Connecticut by a Working 
Model.” Prof. N. S. Shaler spoke on the ‘‘Antiquity of the Glacial 
Period.” Prof. Shaler called the attention of the society to the Dorkin 
photographs. 
March 18th.—Dr. G. Baur read a paper on “‘ The Importance of a 
Scientific Investigation of the Galapagos Islands.” Prof. W. O. 
Crosby made a communication *‘ On the Colors of Soils.” 
April 1st.—Dr. H. C. Ernst spoke on the latest developments in the 
“ Germ Theory of Disease,’’ illustrated by stereopticon and exhibition 
of tube-cultures.—J, WaLTER FEWKES, Secretary. 
Am. Nat.—April.—7, 
