A REVIEW OF THE MYSIDACEA 



91 



Eyes small, pyriform, cornea occupying rather less than half of the 

 entire eye including the eyestalk. 



Antennular peduncle with two spines on the outer margin of the 

 second joint. 



Figure 25. — Gastrosaccus philippinensis, new species: a, Antennal scale and peduncle, 

 X 65%; b, first pleopod of male, X 65%; c, second pleopod of male, X 65%; d, third 

 pleopod of male, X 39; e, fourth pleopod of male, X 65%;/, telson, X 65%; g, uropods, 

 X 65%. 



Antennal scale (fig. 25, a) 2y 2 times as long as broad, increasing in 

 breadth toward the apex, terminal lobe one and a half times broader 

 than long, overreaching the terminal spine of the outer margin and 

 reaching a little beyond the end of the second joint of the antennal 

 peduncle and halfway along the second joint of the antennular 



