A REVIEW OF THE MYSIDACEA 



127 



somite of the abdomen, one and two-thirds as long as broad at the base. 

 The apex is truncate, even slightly emarginate and equal in width 

 to one-quarter of the length of the telson. The spines of the telson 

 are all broken off save one on the apex, but from examination of the 



Figure 43. — Dactylerythrops bidigitata Tattersall: a, Dorsal view of anterior end; b, eye; c, 

 antennal scale; d, endopod of second thoracic limb; t, telson. 



sockets there would appear to have been about 26 on each lateral 

 margin, occupying rather more than the distal half of the margin, 

 and four on each side of the apex, with a pair of plumose setae in 

 the center of the apex. 



