106 ON CREEPERS. 



fly appearing through their thin creeper skins ; they are 

 much quicker in the water than the flies are upon land, up 

 to the last moment before hatching. Some species may fix 

 themselves to something, but it is certain that the greater 

 part, if not the whole class, hatch themselves on the top of 

 the water, and spring on the wing from the empty creeper 

 case as it floats on the current. 



4TH. GREEN DRAKE CREEPER. Length, about three- 

 quarters ; two short feelers, two or three whisks, which, 

 with the legs, sides, etc., are fringed with hair. Ground 

 color a lightish green, shewing, in the dim transparency, 

 the dark marks of the fly within. Shape similar to the 

 body and parts of the fly, but bulkier. A fine small line 

 is visible betwixt the shoulders, where the creeper skin 

 splits open at hatching ; the same may be seen on the 

 shoulders of the protective skin of the fly. They are gene- 

 rally in deeper water, and hatch on the surface. 



5TH. BROWN DRAKE CREEPER. Length, half an inch ; 

 legs, whisks, feelers, and sides, fringed with fine hair, which 

 flows and moves in the water. Is a broad and thick creeper, 

 with largish head, altogether of a light ambry brown ground, 

 touched and marked on the upper parts with darker. The 

 checkwing creeper is nearly similar. Both shew the slant- 

 ing dark lines on the sides, and hatch on the top of the 

 water. 



GTH. CORAL-EYED DRAKE CREEPER. Length, about 

 three-eighths ; whisks a quarter ; legs, whisks, feelers, and 

 body, fringed with fine hair, and of a dull dim amber trans- 

 parency ; eyes a deep red brown ; wings shew through their 

 thin creeper skins like an oblong black mark on each side 

 of the shoulders. Hatch on the top of the water. Like 

 the browns, the creepers of this class are readily taken by 

 the fish, but preserve themselves in the same way. 



