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NEW YORK STATE MUSEUM 



Elizabethtown, in which latter larvae occurred in a pool with 

 numerous small polywogs. The larva differs from all others in 

 the enormously long, slender adr tube [fig. 45] and by the broad 

 head with prominent antennae. The latter are black at the tip 

 and have a tuft of long hairs a little beyond the middle. The 

 peculiar labial plate is also illustrated [fig. 44]. 



Fig. 45 Air tubes and anal appendages ; IC.territans, 2C. restuans 



Distribution. This species is a rather common form in New York 

 State, likewise in New Jersey and New Hampshire, according to 

 Messrs Smith and Dyar. The latter has also taken it in British 

 Columbia, and it is probably widely distributed in the northern 

 United States. 



Life history and habits. We have found it breeding in many 

 places throughout the summer, and Dr Smith states that the 

 larvae occur almost everywhere, in running or stagnant waters, 

 fresh or brackish, though he has not found them in real foul 

 or salt water. Dr Dyar states that the larvae prefer cold 

 water, and that he took the same in a cold spring some 20 

 feet in diameter, and that they were not found in a warm, scummy 



