FKOG CULTURE 229 



egg-masses are allowed to float freely in the 

 pool in whicli they are deposited; sometimes, 

 they are submerged and fastened to stems of 

 water-plants and branches of bushes. The 

 leopard frog deposits its spawn in pools on 

 which the sun plays. It is rare to find eggs 

 in dark places where the sunlight does not 

 penetrate. 



If a person intends to attempt the propaga- 

 tion of the leopard frog, there is seldom any 

 necessity for maintaining breeders on his 

 establishment, unless he purposes to market 

 them for food, because the chances are, that 

 from the edges of nearby swamps he can secure 

 all the eggs for rearing that he requires. Ten 

 quarts of leopard frog eggs are all that 

 should be put in a pond of 60 feet by 20 feet, 

 since that area of water will not safely carry 

 more than 40,000 tadpoles past the develop- 

 ment stage. A lesser nmnber would be a 

 greater exhibition of prudence. Overcrowd- 

 ing, even during the first three or four days 

 after hatching, is almost certain to result in 

 the loss of the entire stock, the most exasperat- 

 ing feature of which is that it generally does 



