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JOUENAIi OF ENTOMOLOGY AND ZOOLOGY 



rows of markings, each in a line half way between the median 

 line and the lateral margin. Both male and female have all the 

 segments and sutures outlined with a bright red line. 



Body of male narrow and elongate and arched along median 

 line. Length 23 mm., greatest width 6 mm., almost four times 

 longer than wide. 



Head about twice as wide as long, excavated on frontal margin 

 with antero-lateral angles distinct but rounded. Posterior 



Figure 9. Pentidotea acuUala n. sp. A, first pleopod of male; B, second pleopod 

 of male; C, first leg; D, second leg; E, seventh leg; F, first antenna; 

 G, second antenna. 



margin slightly concave with a short red mark extending hori- 

 zontally from a post-lateral position. Eyes on lateral margin 

 midway lietween anterior and posterior margins and almost 

 round in shape. First anteumB possess four articles ; first broad, 

 almost as wide as long ; following three articles not half as wide ; 

 second and third subequal ; last clavate and slightly longer than 

 the two preceding. First antennaj extend to end of second article 

 of peduncle of second antennje. Second antennae have a peduncle 

 of five articles: first short; second and third subequal, twice as 



