STENHELTINJ). 



31 



the preceding species. Second foot-jaw (fig. 13) long, 

 the hand stout and subtriangular ; terminal claw short 

 and stout; the prominent inner margin of the hand 

 armed with a row of about eight spine-like setaB. 

 Length -^th of an inch ('5 mm.). 



One specimen only was dredged in a depth of 

 twenty-seven fathoms off Hawthorn (Durham). 



Sub-family 4. STEXHELITISLE, no : v. sub. -f am. 



In this section the inner branch of the first pair of 

 feet is 2- or 3-jointed, has its first or last joint more 

 or less elongated and the limb partially adapted for 

 grasping by means of an imperfect hingement at the 

 apex of the first joint ; the second, third, and fourth 

 pairs have both branches 3-jointed ; the mandible- 

 palp is large and 2-branched, and the inner branch 

 of the posterior antenna is 2- or 3-jointed, and of 

 moderate size. 



The genera are Stenhelia, Ameira, Jonesiella, and 

 Delava.Ua. 



Inner 

 branch 

 of first 

 pair of 

 swimming- 

 feet 



Diagnosis of Genera of Stenheliince. 



("shorter than the outer branch Delavalia. 



2- jointed 



(. longer than the outer branch Jonesiella. 



3-jointed; secondary ("small, 1-jointed Ameira. 



branch of posterior < 



antenna (.3-jointed Stenhelia. 



