66 PEOCEEDINGS OF THE ACADEMY OF 



The tibia has an extreme length of 9} inches ; the breadth of the head is 4} 

 inches ; of the lower end 3J inches. 



The astragalus at its condyles is 2J inches wide; the width of the anterior 

 articulation is 2\ inches. 



The radius has an extreme length of 9 inches ; the width of the upper ex- 

 tremity is 3 inches ; of the lower extremity 3^ inches. 



The remaining specimen, obtained by Prof. Hayden on the Niobrara River, 

 is the lower portion of the humerus, having about the same size and construc- 

 tion as the corresponding portion in the Bengal Tiger. It probably pertains 

 to Aelurodonferox, which was established on a specimen of a superior sectorial 

 molar, from the same locality. 



May 24th. 



The President, Dr. Ruschenberger, in the Chair. 

 Twenty-eight members present. 



May 31s*. 



The President, Dr. Ruschenberger, in the Chair. 



Fifty-three members present. 



The report of the Microscopical and Biological Section for April 

 and May was read. 



The following were elected members of the Academy : 



Miss Grace Anna Lewis, Miss H. T. Smallwood, Miss E. Horner, 

 Messrs. G. Rice, D. B. Smith, D. D. Willard, Walter D. Comegys, 

 Wm. H. Gumbes, T. H. Speakman, John T. Morris and H. St. G. 

 Elliott. 



The following were elected Correspondents : 



Col. R. S. Playfair, of Algiers ; Prof. Carl Wilhelm Bceck, of 

 Christiania ; Prof. Frank H. Bradley, of Knoxville, Tenn. ; and 

 Prof. Rawson W. Rawson. 



June lih. 



The President, Dr. Ruschenberger, in the Chair. 

 Sixteen members present. 



The publication of the Proceedings for January, February, March 

 and April was announced. 



June 1-ith. 



Dr. Bridges in the Chair. 



Twenty-four members present. 



The following paper was presented for publication : " Description 

 of New Species of Grasshopper from Colorado." By Prof. Cyrus 

 Thomas. 



Prof. Leidt stated that he had recently received for examination several 

 small collections of mammalian remains, from three different localities, which 

 were especially interesting, as indicating faunas and formations similar to 

 those of the Mauvaises Terres of White River, Dakota, and of the Niobrara 

 River, Nebraska. 



[June, 



