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NEW YORK STATE MUSEUM 



hair, pecten with three prominent and several smaller serrations 

 [fig. 30], The oomb coinsists of a somewhat irregular patch of 

 scales arranged in about three rows, each scale being somewhat 

 spatulate and tipped with numerous fine hairs and a terminal 

 coarser spine [fig. 28]. 



^^^^^^^^^^^jo^sas^^sssss^se^ 



vA 



Fig'. 25 Wing of C. can tans 



This larva according to Dr Smith is somewhat larger and 

 more robust than C. canadensis, which latter is fre- 

 quently found in woodland pools and springs associated with 



Fig. 26 Larva of C. cantans 



this species. The two larvae are not easily separated, though this 

 foTm has shorter, stouter antennae. Both have short breathing 

 tubes, but that of C. cantans is shorter and approaches the 

 form of C . s o 11 i c i t a n s , with which it is also associated in 

 brackish pools on salt meadows. The latter has still shorter, more 

 slender antennfie and has the labrum oblong, truncate, while in 

 C. cantans it is rounded, and as a whole, somewhat heairt- 

 shaped. 



