A REVIEW OF THE MYSIDACEA 



67 



Within this group the species may further be described as follows : 

 Carapace somewhat produced but leaving the eyes and eyestalks 



completely uncovered, frontal plate a broad, low triangle with the 



apex slightly produced into an acute point. 

 Eyes large and black. 



Figure 15. — Siriella chierchiae Coifmann: a, Antennal scale and peduncle, X 64; b, distal 

 three joints of endopod of one of the posterior thoracic limbs, X 64; c, distal extremity of 

 endopod of third pleopod of male, X 64; d, distal extremity of exopod of third pleopod of 

 male, X 64; e, distal extremity of exopod of fourth pleopod of male, X 64; /, distal ex- 

 tremity of endopod of fourth pleopod of male, X 64. 



Antennal scale (fig. 15, a) extending forward as far as the distal 

 end of the antennular peduncle, three and one- fourth times as long 

 as broad, terminal lobe broader than long. 



