<dS T>AVEXPOKT ACADKMY OF XATT'RAT. SriEXCES. 



than any other species of Cicada in the Rocky Mountains. I found 

 it quite plenty in the Wind River and Shoshone Mountains in Wyo- 

 ming in 1873, and Hy. Edwards has sent nie some specimens from 

 Nevada that do not apjK^ar to be specifically distinct. The male 

 makes a rattling noise, exceedingly like that of a rattlesnake. This 

 reseml)lance was so close that one day in 18(0, in the Shoshone 

 Mountains, ] was attracted by a noise which I took to be one of these 

 insects, and stooj)ed to pick it up, when I suddeidy discovered a huge 

 rattlesnake in its stead. 1 have the pupa skiji of this species from 

 Spring Lake, Utah, hut the imagines had disa])|)(^ared l)efore my 

 arrival, July '2d, 18T."). 



Dr. Parry gave an interesting account of his recent trip to Mexico, 

 illustrating his remarks with maps, specimens of pf)ttery, etc. 



Febriary SHth, ISro. — RE<;ri,AK Meetix(;. 



The President, Mrs. Mary L. D. Putnam, in the chair. Twelve 

 members and visitors present. 



Mr. H. T. Bushnell, Mrs. J. W. Stewart, Mrs. J. B. Young and Mrs. 

 U. X. Roberts were elected regular members. Rev. H. C. Thomson 

 and Miss Abbie Cochran, of Monterey, ^Mexico, were elected corres- 

 ponding memliers. 



MaK( H '^StH. ISM). Reoii.AK ^rEETIX(4. 



The President, Mrs. Mary L. D. Putnam, in the chaii'. Twenty- 

 seven members and visitors present. 



Dr. W. J. Hoffman, Washington, \). C; Prof. Chas. Wachsnmth, 

 Burlington, Iowa; Mr. W. C. Holbrook, Coleta, 111.; and Prof. Roland 

 Trimen, Ca])e 7\)wii. ("ape of (itood Ho|>e. were electei] cori-esponding 

 members. 



The following pajiers were read : 



Antiquities of Whiteside County, Illinois. 



HV AV. C. HOLBROOK. 



Tn this jiaper 1 propose to describe certain pie-historic structures 

 of Whiteside county, which, for the want of a better name, I 

 will designate "altars." In the spring of ISTT, Mr. Holly, of Clyde, 

 brought me a piece of limestone, burned and reddened \)y fire, that 



