354 DE. H. J. HANSEN ON THE 



Seventh thoracic legs unusually slender. Second joint some- 

 what more than three times as long as broad, along the outer 

 margin with several very short hairs and a few long setae, each 

 o£ which has proportionately few long lateral branches ; the 

 other margin and the lower surface without setse. Fourth joint 

 much longer than broad, much shorter than fifth and scarcely 

 more than half as long as the sixth ; these joints without setse, 

 but with some slender spines. 



Abdomen increases much in breadth from first to third seo-- 

 ment. Lateral angles of fifth segment covered by the fourth. 



Last abdominal segment almost as long as broad, posteriorly 

 broadly rounded and irregularly serrate, probably without 

 marginal spines, but with setse in the iucisions between the saw- 

 teeth. 



Uropoda broad. Endopod, when parallel with the axis of the 

 animal, reaches scarcely beyond the end of abdomen ; it is nearly 

 twice as long as broad, with some coarse serrations along each 

 margin, its end with a small incision between two saw-teeth. 

 Exopod much shorter than the endopod, not fully three times 

 longer than broad ; its end shaped and its margins serrate nearly 

 as those of the endopod. Both rami without movable spines, 

 but with setse as on the distal margin of abdomen. 



Length of the largest specimen (Norman's type) 4"2 mm. 



Occurrence. — Norman mentions the species from lat. 59° 37' N., 

 long. 7° 19' W., 530 fathoms ; in material received irom him I 

 found one specimen from lat. 59° 34' N., long. 7° 18' W., 

 543 fathoms, and three specimens from lat. 59° 70' N., long. 

 7° 21' W., 51G fathoms (H.M.S. ' Triton,' 1882). Bonnier's single 

 specimen was dredged in the Grulf of Grascogne (Bay of Biscay), 

 lat. 44° 36' N., long. 4° 25' W., 650 m. 



RemarJcs. — This species differs — especially in the frontal plate, 

 clypeus, and seventh thoracic legs — strongly from all other 

 European forms, but is rather closely allied to C. japonica, 

 H. J. H. Probably all specimens seen by me are immature ; 

 unfortunately the largest specimen was exsiccated, the glass tube 

 being crushed on the way from Berkhamsted to Copenhagen. 



A long time after I had finished the drawings of this species I 

 became aware that the minute specimen — measuring 1*7 mm. in 

 length — described and figured by Bonnier was the same form. 

 As Eurydice polydendrica, Norm. & Stebb., had never been 

 described nor figured, it was necessary to drop this name and 



