172 The American Naturalist. [February. 



Dolan ; Inhabitants ot Turkey Lake in general, C. H. Eigenmann ; 

 HirutHaea of Turkey Lake, Bessie C. Ridgley ; Rotifera of Turkey 

 Lake, D. C. Kellicott ; Clodocera of Turkey Lake, E. S. Birge ; Mol- 

 lusca of Turkey Lake, R. Ellsworth Call; Odonata of Turkey Lake, 

 D. C. Kellicott ; Fishes and tailed batrachians of Turkey Lake, C. H. 

 Eigenmann ; Tailless batrachians of Turkey Lake, C.Atkinson ; Snakes 

 of Turkey Luke, H. G. Reddick ; Turtles of Turkey Lake, C. H. 

 Eigenmann ; Water birds of Turkey Lake, N. M. Chamberlain ; Flora 

 of Turkey Lake, O. H. Meincke; Methods of determining Variations, 

 C. H. Eigenmann ; Variation of Eiheostoma of Turkey and Tippecanoe 

 Lakes, W. J. Moenkhaus. 



The officers for the next year are as follows ; 



President, Stanley Coulter of Purdue University ; Vice-President, 

 Thos. C. Gray of Rose Polytechnic; Secretary, John S. Wright of 

 Indianapolis ; Assistant Secretary, A. J. Bigney of Moo res Hill Col- 

 lege ; Treasurer, W. P. Shannon of Greensburg. 



A. J. Bignky, Assistant Secretary. 



The Biological Society of Washington.— November 30th, the 

 following communications were read : Edw. L. Greene, Some Funda- 

 mentals of Nomenclature; Theo. Holm, Contributions to the flora of 

 the District of Columbia ; David White, The Mode of Development of 

 Exogenous Structure in Paleozoic Lycopods, a review of Williamson 

 and Renault. 



SCIENTIFIC NEWS. 



Notice Concerning the Geological Map of Europe, Pub- 

 lished Under the Auspices of the International Congress 

 of Geologists. — At the Third Session of the International Congress 

 5t8, held in Berlin in 1885, the committee on a geological 

 map of Europe made a report, in which the following conditions of 

 publication were announced (Berlin Volume, page LXII) : " The 

 house of Reimer & Co., undertakes the publication at its own expense 

 on the sole condition that the international committee guarantee the 

 sale of 900 copies at 100 francs per copy, and furnishes the sum in 

 advance. 



The subscription price of 100 francs will be augmented to 125 francs 



