JOURNAL OF PROCEEDINGS. 549 



December 4, 18G5. 

 The President, Dr. Engelmann, in the chair. 

 Seven members present. 

 The following publications were received: 



Bulletin de la Socictc Imp. zool. d'Acclimatation, Paris, T. ii., No. 8, 

 1865, from the Society. Proc. Boston Soc. Nat. liist., vol. x., pp. 1-16, 

 Sept. 1865 ; Conditions and Doings of same, May, 1865, from the Society. 

 Canadian Journal and Proc. Canadian Inst., vol. x., No. 59, 1865, from 

 the Society. Astronom. and Metereol. Observations at the U. S. Naval 

 Observatory for 1863, by Capt. J. M. Gilliss, U. S. N.. Supt, Washington, 

 1865, from the Observatory. Proc. California Acad. Nat. Sciences, vol. 

 iii., pp. 193-208, 1865, from the Academy. Proc. Royal Horticultural 

 Soc, London, vol. v., No. 7, 1865, from the Society. 16th Ann. Rep. of 

 the University of New York, on Cabinet of Nat. History, Albany, 1863, 

 from Dr. Shumard. Monographie der Boemischer Trilobiten, by Hawle 

 and Corda, Prague, 1847 ; Annals of Science: Proc. Acad, of Science of 

 Cleaveland, Nos. 1-3, 7-11, 14-24, 1853, Jan.-May, 1864, from the Acad- 

 emy. Report of U. S. Coast Survey, vols. 1851-1853, and Maps, from 

 the Superintendent. 



Dr. Wislizenns made some remarks on Ozone and ^Anto- 

 zone, in connection with the experiments and conclusions of 

 Prof, Niesner. 



December 18, 1865. 

 The President, Dr. Engelmann, in the chair. 

 Six members present. 

 Publications received as followss : 



Trans. Amer. Phil. Society, vol. xiii., Pt. 2 : Myriapoda of N. Amer., 

 by H. C. Wood, Jr., M.D., 1865. from the Society. Amer. Jour, of 

 Conchology, by Geo. W. Tryon, Jr., from the Editor. Northward 

 Transportation of Drift Materials in the lower peninsula of Michigan, by 

 Prof. A. Winchell, 1865 ; Descriptions of New Species of Fossils from 

 the Marshall Group of Michigan, &c., by Prof. A. Winchell, from the 

 Author. 



Dr. Engelmann submitted his meterological observations 

 for the month of December, showing an extreme range of the 

 thermometer, within six days, not unusual in our climate, from 

 zero to 55° above. 



Dr. Sander observed that his experiments with the water 

 of the Mississippi river showed that it was less liable to 

 putrefy by standing than the ordinary well water. 



January 8, 18G6. 

 The President, Dr. Engelmann, in the chair. 



Twelve members present. 



Publications received were laid upon the table, as follows : 



Proc. Royal Soc. of London, vol. xiii., No. 70, 1864; vol. xiv., Nos. 71- 

 77, 1865, from the Society. Norges Ferskvandskrebsdyr, 1 Afsnit : 



