118 MARINE AND FISHERIES 



5 GEORGE v., A. 1915 



(4) In the rapids above Sandy Gray Falls, on August 23rd, 

 The imagos of these collections emerged on July 6th, 17, August 23 and 30th 

 respectively. Only a few imagos were taken at large. 



Male imago: 



Ecdyurus lucidipennis Clemens* 

 (PI. XIII, Fig. 3). 



Measurements: Body 6 mm.; wing 7 mm.; fore-leg 6*5 mm. 



Face very slightly obfuscated. Dorsal surface of head dark brown or reddish. 

 Notum dark brown; sides of thorax and ventral surface light yellow. Dorsum 

 of abdomen a blackish brown and venter considerably lighter. Penis lobes and 

 bases of forceps yellow. Forceps tinged with black. Setae: basal half slightly 

 tinged with black, minutely hairy. Fore femora dark, middle and hind yellowish. 

 Wings hyaline; longitudinal veins slightly dusky, especially costa and subcosta; 

 cross veins entirely colourless. 



Female imago: 



Measurements: Body 6 mm.; wing 7*5; fore-leg 4. 

 Thorax and abdomen lighter in colour than male. 



Nymph: 



Measurements: Body 7-8 mm.; setae 3-4 mm. 



Head brown with numerous light spots, chief of which are 6 along anterior 

 margin ; 2 lateral to each antenna, 4 elongated ones between antennae and 2 small 

 roimd spots anterior to these latter. Thorax lighter brown with numerous light 

 areas. Anterior part of each abdominal segment brown. Four light spots along 

 anterior margin, one large spot at each lateral margin and 3 along posterior margin. 

 Setae of about equal length and fringed with hairs; middle one slightly smaller 

 in size than lateral ones. Femora flattened, fringed with spines along anterior 

 margin and with hairs along the posterior; rather light in colour with two zigzag 

 brown marks about middle and brown areas at distal and proximal ends. Tibiae 

 banded about the middle with brown. Tarsi with distal and proximal ends dark. 



Nymphs of this species were collected at Station Island, July 1, and at Giant's 

 Tomb Island, July 14th. Imagos were reared from these collections on July 4 

 and July 17 respectively. 



Male Imxigo: 



Ecdyurus pullus Clemens f 

 (Pi. XIII, Fig. 4). 



Measurements: Body 10-11 mm.; wing 11 mm.; setae 22 mm.; fore-leg 

 11-12 mm. 



♦Clemens, '13, p 329. 

 tClemens, '13, p. 330. 



