ISOPODS OF NOKTH AMERICA. 



481 



oval in outline. Ocular processes rather thick and less prominent 

 than in Miinna liinlcola. Caudal seu-nient ohloiio- oval, Uit slightly 

 narrowed behind, lateral edges __ 

 ev'enly convex, and each armed 

 in front with a single slender 

 denticle; apical lamelhv dis- 

 tinctly serrated, E3^es rather 

 large, semi-glol)ose. !:*!upe- 

 rior antenna? scarcel}' reaching 

 to the luiddle of penultimate 

 peduncular joint of the infc^rior 

 ones; tlagellum composed of 

 onl}^ four joints, including the 

 very small apical one. Inferior 

 antennie rather slender, with 

 the flagellum longer than the 

 peduncle. Legs comparati vclv 



^ . ,, . ' Fig. 53S.— MVNNA FABRini (Aftek Harger). X 20. 



slender, though less rapidly in- 

 creasing in length posteriorly than in the two preceding species (i¥] hoeckl 

 Kr0yer and M. liinlcola Sars); first pair, as usual, much the shortest, 



Fig. 539.— Munna fabeich (After Sars). a, First leg. 6, First antenna, c, Dorsal view op 

 FEMALE rf, Seventh leg. e, Extremity of second leg. /, Second leg. g, Abdomen and 

 UROPODA. h. Extremity of abdomen with uropoda. i, Uropod. 



28589—05 31 



