19 



length of time in the human body, unless they belonged to some 

 of the parasitic forms. 



Some discussion ensued as to the possibiUty, under any circum- 

 stances, of a foreign animal living in the human stomach. The 

 President narrated a case of a living toad, which was swallowed 

 by an insane man, having been vomited, soon after, dead ; and 

 the results of some experiments, in which worms were taken 

 into the stomach in perforated tubes, where the worms lived but 

 a short time. 



Dr. C. T. Jackson presented, in the name of Mr. Addi- 

 son Gott, of Rock port, some Parasitic Crustaceans, com- 

 monly known as Salve Bugs. 



Prof. Agassiz remarked that these animals contain an 

 apparently oily matter, which, after immersion in alcohol, 

 is changed into a substance resembling wax, and which 

 is so hard as not readily to be cut with a knife. 



The specimens were referred to Dr. Jackson for chemi- 

 cal examination. 



Mr. Robert Kennicott, of West Northfield, Cook Co., 

 111., was elected a Corresponding Member, and the fol- 

 lowing named gentlemen Resident Members, viz : James 

 E. Mills, Thomas W. Clarke, John Green, Edwin A. 

 Gibbens, J. Henry Safford, Joseph Worcester, John Dean, 

 David F. Weinland, Augustus J. Perkins, Samuel Ham- 

 mond. 



July 23, 1856. 



EXCURSION MEETING. 



In pursuance of a plan adopted at the last meeting, the Natu- 

 ral History Society met on board the steamer Mayflower, for an 

 excursion to Hindiam and the neighborhood. There were 



