NOTES ON A GASTROLITH FOUND IN A MOOSE. HARRIS. 243 



and not in intestine or bladder; it is, therefore, a gastrolith. 

 Mr. Day states that he has known of a tooth being the centre 

 of a similar concretion in the moose's stomach. Captain 

 (now General) Campbell Hardy, R. A., in an unpublished 

 paper entitled " Notes on the History of the Moose," read 

 before this Institute on 7th May, 1867, exhibited and spoke 

 of calculi formed in the stomach of that animal. The interest 

 of this case is that the nucleus of crystallisation is a stone and 

 not organic matter such as has so frequently been found 

 in the " hair-balls" in horses and cows. 



