1881.] NATURAL SCIENCES OF PHILADELPHIA. 443 



stone, Virginia, he bad met with another ciliated protozoan, Licno- 

 phora cohnii. in the waters of the Chesapeake, also found in the 

 Mediterranean and North Sea, and now for the first time recorded 

 as occurring in the American fauna. The existence of congeneric 

 and conspecitic protozoan forms on both sides of the Atlantic 

 had been alluded to before by the speaker ; of these he had noticed 

 Gothurnise, VorticeMse^ Zoothamnia, Freia producta, Tintinnus, 

 Bfiipiododendron, and several Gastrotricha which appear con- 

 specific with old world types. 



October 25. 



The President, Dr. Ruschenberger, in the chair. 



Thirt3Miine persons present. 



Art. 3, Chap. XV, of the By-Laws was amended by adding 

 after the word "election" in the second line, the words "and 

 resignation." 



Mr. W. N. Lockington was elected a member. 

 The following were ordered to be printed : — 



