700 



SCIENCE. 



[N. S. Vol. I. No. 25. 



The Secretary's report showed an increase 

 in general interest on the part of the mem- 

 bers and an increase also in the attendance 

 of visitors at the regular meetings. 



The quarter-centennial was celebrated 

 by a well attended public meeting. The 

 program of this meeting included the pro- 

 jection of micro-slides of rock sections, 

 marine algfe, living animalculae and wood 

 sections, and table exhibits from the three 

 natui'al kingdoms under thirty-five instru- 

 ments. 



About a year ago the Society was sec- 

 tionalized, and the following sections cre- 

 ated : 



(1) Agriculture, (2) Bacteriology, (3) 

 Biology (Zoology), (4) Botany, (5) Chem- 

 istry, (6) Entomology, (7) Geology, (8) 

 Histology, (9) Mineralogy, (10) Pathology, 

 (11) Physics, (12) Technique, (13) Litera- 

 ture. 



Of these the sections on Bacteriology, 

 Botany and Mineralogy have had charge of 

 one meeting each, and reports of less length 

 have been made by the sections on Tech- 

 nique and Literature. 



The membership includes 40 active, 19 

 corresponding and 1 honorary member. 



After the business session A. H. Chester, 

 Ph. D., read a paper on ' Crystals,' describ- 

 ing the means used in the preparation of 

 crystals for micro-mounts; slow crystalliza- 

 tion from fusion, or solution, sublimation, 

 precipitation and electrolysis. The paper 

 described the systems of crystals to some 

 extent, mentioning more especially those of 

 gold, silver and copper. With the aid of 

 ten microscopes the minute beauties of the 

 crystals were shown with appreciation to a 

 goodly number of members and friends. 



SCIENTIFIC JOURNALS. 

 AMERICAN JOTTRNAL OF SCIENCE, JUNE, 1895. 



The June number of the American Jour- 

 nal of Science opens with an article by Prof. 

 Frank Waldo discussing the daily march 



of the wind velocities in the United States. 

 This is based upon the published data fur- 

 nished by the Chief Signal Officer's Report . 

 for 1890, giving the average wind movement 

 for each hour of each day in this year, and 

 also the daily averages for the seven j^ears 

 1883-89. These are discussed for the dif- 

 ferent portions of the countrj^ and the results 

 presented in a series of curves; thej' show 

 distinct maxima for many stations in Jan- 

 uary, which are still more developed in July. 

 D. A. Kreider describes the preparation of 

 perchloric acid and its application to the 

 determination of potassium ; also W. H. 

 Hobbs, the crystal form of borneol and iso- 

 borneol. E,. Euedemann gives an abstract 

 of a paper (to appear in full in the Report 

 of the New York State Geologist) on the 

 mode of growth and development of the 

 graptolitic genus Diplograptus ; a series of 

 figures illustrates the subject. N. H. Dai'ton 

 gives an account of the recent discovery of 

 a dike penetrating the Salina formation at 

 DeWitt near SjTacuse, N". Y.; this occur- 

 ence is of especial interest because doubt- 

 less connected with the Syracuse dike de- 

 scribed by Dr. G. H. WilHams in 1887. 

 The petrography of the DeWitt dike is 

 fully given by J. F. Kemp. Another article 

 is by G. M. Dawson, giving a general 

 discussion of the amount of elevation that 

 has taken place along the Rockj' Mountain 

 Range in British America since the close of 

 the Cretaceous ; the minimum estimate ob- 

 tained of greatest uplift for the region 

 (about latitude 50°) is 32,000 to 35,000 feet. 

 Three analyses" of sodalite are given by L. 

 McI. Luquer and G. J. Volckening. The 

 number closes with a series of abstracts and 

 reviews, and finally the volume index. 

 Under the Geological Notes, R. T. Hill men- 

 tions the discovery of a dicotyledonous 

 flora in the Cheyenne sandstone at the base 

 of the beds belonging to the Comanche 

 series in Comanche and Barber counties, of 

 southern Kansas. 



