274 The American Naturalist [March, 



die of the 4th by an arcuate line, sometimes also similarly connected 

 on 5th, 6th segment with a triangular tooth on each side, 7th with a 

 more slender tooth. Length 12-14 mm. 



Illinois: 10 $ specimens, taken July 5, 9, and Aug. 5, on flowers of 

 Dianthera americimt and Ponfederia card<it<t.— Charles Roherhvu. 

 Illinois. 



PROCEEDINGS OF SCIENTIFIC SOCIETIES. 



Boston Society of Natural History. — February 3d. — The 

 following papers were read : Dr. J. Eliot Wolff, The Geology of the 

 Crazy Mountains, Montana; Mr. Walter G. Chase, The Scenery, 

 Glaciers and Indians of Alaska. 



February 17th. — The following paper was read: Prof. George L. 

 Goodale, Illustrations of Vegetation in Ceylon. 



March 2d.— The following papers were read : Prof. W. G. Farlow, 

 Notes on collections of Cryptogams from the Higher Mountains <>t 

 New England ; Prof. G. Frederick Wright, Invasion of Eastern Eng- 

 land by Norwegian Glaciers; Additional Evidence Concerning 

 Human Remains Under the Sonora Table Mountains, California. 



March 16th.— The following paper was read : Dr. J. Walter Fewkes, 

 The Moki Snake Dance.— Samuel Henshaw, Secretary pro tempore. 



The Biological Society of Washington. — February 20th.— 

 The principal paper of the evening was Factors in the Distribution of 

 Animal Life as Illustrated by Marine Forms, by W. H. Dall. The 

 following communications were read : Mr. F. A. Lucas, On Charchar- 

 odonmortoni; Mr. J. N. Rose, The Flora of the Galapagos Islands; 

 Mr. John M. Holzinger, On the Identity of Asclepias stenophylla Gray, 

 and Acerates auriculala Engelm. 



March 5th.— The principal paper of the evening was Conditions 

 Affecting the Distribution of Plants in North America, by Fred. V. 

 Coville. The following communications were made: Mr. Charles 

 Hallock, The Physiology of a Pocoson ; Mr. Vernon Bailey, The 

 Homes of Our Mammals; Mr. Theo. Holm, The Flora of Nova 

 Zembla. — Frederic A. Lucas, Secretary. 



The American Physiological Society, which is an offshoot of 

 the Society of Naturalists, held its annual meeting on Dec. 29th at 

 Philadelphia. Some routine business was transacted, and the follow- 



