JOTJENAL OF ENTOMOLOGY AND ZOOLOGY 



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long as first ; fourth not quite twice as long as third ; fifth slightlj' 

 longer than fourth; flagellum consists of seventeen or eighteen 

 articles. Maxillipecls have a palp of five articles. 



Sides of thorax almost parallel in male. All but first segment 

 have epimera which extend to end of posterior margin. Epimera 

 of second and third and fourth segments about equally wide from 

 anterior to posterior margins. Fifth, sixth and seventh much 

 narrower at anterior than at posterior margin. Legs alike in 

 structure. 



H ^B 



E 



Figure 10. Peiithlotea aculeata n. sp. A, mandible; B, maxilliped; C, opercular 

 valve; D, second maxilla; E, first maxilla. 



Abdomen 8 mm. long, 4 mm. wide at anterior end ; composed 

 of two short segments, a partially coalesced and a long terminal 

 segment ; the latter narrow and slightly excavate on the lateral 

 margins, prolonged at median posterior extremity into a pro- 

 nounced tooth, 1 mm. long. Post-lateral angles rounded. Oper- 

 cular valves composed of a long anterior and a short posterior 

 part. Carina not apparent on anterior portion. 



The above description applies only to the male. Along with 

 these a number of other specimens, all females, were collected 

 which are slightly different in shape : have lateral margins less 



