144 



U.S. NATIONAL MUSEUM BULLETIN 25 8 



Figure 30. — Eurystheus mamolus (J. L. Barnard), female, 3.4 mm., Campbell station 5: 

 a, b, c, pereopods 3, 4, 5; d, pereopod 1; e, mandibular palp;/, head. Male, 3.2 mm.: g, 

 pereopod 1; h, telson; i, j, k, I, uropods 1, 2, 3, 3. 



imate those of E. spinosus as figured herein and by Shoemaker. The 

 epistome of adult M. martesia is strongly attenuated but that of E. 

 spinosus is much shorter and blunter; in young M. martesia, as identi- 

 fied by Barnard (1964a), the epistome is intermediate in attenuation 



