CAN A UI Ay FISHERIES EXPEDITION, IdUflo 



195 



Fig. 17. Scolecithrix cuneifrons. 



A. Frontal profile of female of 4 '5 mm. 



B. Frontal profile of female of 3G mm. 



C Postero-lateral angle and genital segment 9. 

 D. Postero-lateral acumination of cf . 



Rostrum produced, bluutly bifid at extremity; anterior antennae as long as body, 

 23-jointed in ?, 18-jointed in 6; mouth-parts not aborted in (S. Posterior antennae: 

 Re one and a half times the length of Ri ; B 1 with short plumose seta ; B 2 with two 

 setae, one long, one short ; Re 1 and 2 distinct. Re 2 twice as long as Re 1, Re 2 seven- 

 eighths the length of Re 7, Re 1 and 2 one and a third times the length of Re 7, Re 2 

 with one distal slender seta. Re 3, 4, 5, and 6 each with a long plumose seta. Re 7 

 with a long proximal seta inserted at the proximal fifth of the joint and three long 

 terminal plumose setae; Ri 1 with slender distal seta which is about twice the length 

 of Ri 2, distal outer convexity of Ri 1 fringed with cilia, Ri 2 with 8 setae on Li and 

 six on Le, outer convex margin of Le fringed with stiff curved cilia. Maxilla: Li 1 

 with crowded setae, thirteen counted, Li 2 with two setae, Li 3 with three equal setse; 

 Le 1 with nine setae; Re with eight setse; Ri with seven setae; B 2 with five setae. In 

 Ri and B 2 the number of setae given includes in each case one anterior seta. 



