10 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxxiv. 



Neomysis awatchensis (Brandt), from Avacha Bay, Kamchatka, 

 is rather incompletely known. It is said to be of an entirely black 

 color, and to resemble N. vulgaris, with the exception of a shorter 

 antenna! scale and a " truncated and four spined telson." This lat- 

 ter character, however, does not seem to differ from N . vulgaris, 



EXPLANATION OF PLATE I. 

 (All figures are considerably enlarged.) 



Holmesiella- anómala, new genus and new species. 



Fig. 1. Antennula of young male from Station No. 4192. 



2. Antenna of adult female. 



3. Mandible of adult female. 



4. First maxilla of adult female. 



5. Second maxilla of adult female. 



6. First cormopod (first maxilliped) of adult female. 



7. Second cormopod (second maxilliped) of adult female. 



8. Fourth cormopod (second true leg) of adult female. 



9. First pleopod of adult male. 



10. Third pleopod of adult male. 



11. Fourth pleopod of adult male. 



12. Fourth pleopod of adult female. 



13. Telson and uropods of adult female. 



«Brandt, Krebse, in Middendorf's Sibirische Reise, II, Pt. 1, 1851, p. 126. 



