'200 



r>4, I T NITKI> STATES NATIONAL MFSKTM. 



Head somewhat triangular in shape, one and two-thirds times wider 

 than long, 3 mm. : 5 mm. Front of head obtusely produced over the 

 basal articles of the antenna?, partly concealing these articles. The 

 eyes are large, oval, composite, situated in the post-lateral angles of 

 the head and extending along the side a little beyond the middle of the 

 lateral margin. They are separated anteriorly by a distance equal to 



FIG. 188. ROCINELA BELLI- 

 CEPS. ABDOMEN AND L ST 

 THORACIC SEGMENT. X 2J. 



FIG. 189. ROCINELA BEL- 

 LICEPS. 



FIG. 190. ROCINELA 

 BELLICEPS. MAX- 

 ILLIPED. X 27J. 



one-third the width of the head at the base. The basal article of the first 

 antennae is almost entirely concealed by the front of the head; the sec- 

 ond article is short; the third is one and a half times longer than the 

 second. The flagellum is composed of four articles. The first antenna? 



extend almost to the posterior 



margin of the head. The second 



pair of antenna 1 have the first two 



articles short, the second one a lit- 

 tle shorter than the first; the third 



and fourth are subequal and each is 



about twice as long as the first; the 



fifth is about one and a half times 



as long as the fourth. The flagel- 

 lum is composed of fourteen arti 



cles. The second antennae extend 



to the posterior margin of the 



second thoracic segment. Frontal 



lamina very small, minute, rhom- 

 boid-shaped at its base and ventrally placed. The maxilliped has a 

 palp of two articles. 



The first segment of the thorax is a little longer than any of the 

 others; the second, third, and fourth are subequal; the fifth, sixth, 

 and seventh are progressive!} 7 shorter, the seventh being only half as 

 long as the sixth. The epimera of all the segments are distinct with 

 the exception of the first. The posterior extremities of the first three 



FIG. 191. ROCINELA 

 BELLICEPS. LEG OF 

 THIRD PAIR. X 7. 



FIG. 192. ROCINELA BEL 

 LICEPS. UROPOD. x 6i. 



