NATURAL SCIENCES OF PHILADELPHIA. 307 



Lake. Neither of these appears to have been obtamed since their 

 first discovery. 



Several large hair worms from Fish Creek, Montana, pertain to 

 the species Gordius lacutris^ previously described' from speci- 

 mens obtained in Kansas. It is the largest known Gordius. The 

 females of the Kansas specimens ranged from 10 inches to 2^ feet 

 in length ; the males, from 8 inches to upwards of 2 feet. The 

 females of the Montana specimens measure from 1:^ to 2^ feet in 

 length ; a male, 8^ inches in length. The females are pale brown ; 

 the males dark brown, and with a strongly-forked tail. 



December 19. 

 The President, Dr. Ruschenberger, in the chair. 



Twenty-one members present. 



December 26. 



The President, Dr. Ruschenberger, in the chair. 



Twenty-five members present. 



The following gentlemen were elected members : — 

 Andrew H. Miller, Dr. A. L. Gihon, U.S.N. 



On favorable report of the committee, the following paper was 

 ordered to be printed : — 



' Proc. Acad. Nat. Sci., 1851, p. 375; 1857, p. 204. Amer. EutomoL, 

 vol. 11., p. 194. 



1872.] 



