30 Canon A. M. Norman — Notes on the 



segments, is moderately dilated and rather more than half the 

 entire lengtli of the abdomen. 



The caudal furcaj are slender and elons^ated, their leno;fch 

 being somewhat greater than that of the last two abdominal 

 segments combined. 



Ilab, Bog Fiord ; apparently rare. 



The species is provisionally ascribed to the genus Herr- 

 manella of Canu * ; the second maxillipeds are, however, 

 more feebly clawed than those of any of the species already 

 described, and because of this and one or two other differences 

 this East Finmark form should, perhaps, be placed in another 

 genus ; but it will be necessary to have more perfect speci- 

 mens ere its position can be satisfactorily determined. 



EXPLANATION OF THE PLATES. 

 Plate I. 



Cychpina Schneideri, sp. n. 



Fig. 1. Female, dorsal view, x 53. 2. One of the antennules, x 144. 

 3. One of the antennae, X 120. 4. Mandible and palp, X 216. 

 5. Foot of first pair, x 144. 6. Foot of fifth pair, x 180. 



EctinosomaJiJimarchicum, sp. n. 



Fig. 7. Female, seen fi'om the side, x 53. 8. ('r') Male, seen from the 

 side, X 53. 9. One of the female autennnles, X 270. 10. One 

 of the male antennules, X 180. 11. One of the antennae, X 180. 

 12. Foot of fifth pair, male, x 270. 13. Foot of fifth pair, 

 female, X 180. 



Delavalia rohusta, Brady & Robertson, var. Jinmarchica, no v. 



Fig. 14. Female, seen from the side, X 53. 15. One of the antennules, 

 X 180. 16. Foot of first pair, x 180. 17. Foot of fifth pair, 

 X 240. 18. Part of abdomen and caudal furca, X 105. 



Delavalia robusta, Brady & Robertson. 

 Fig. 19. Part of abdomen and caudal furca, enlarged. 



Plate II. 



Delavalia robusta, Brady & Robertson. 



Fiy. 1. One of the antennules, X 180. 2. Foot of first pair, X 180, 

 3. Foot of fifth pair, x 240. 



* " Les Cop^podes marins du Boulonnais," Bull. Scientifique de la 

 France et de la Belgique, p. 480 (1891). 



