100 BRITISH COPEPODA. 
localities, appears to be somewhat local in its distribu- 
Off 
Porcressa Bay and in New Grimsby Harbour (Scilly 
tion. I have notes of its capture as follows: 
Islands), dredged in 10—20 fathoms; abundant in a 
depth of three fathoms on a sandy bottom, Lough 
Silly ; off the islands of Bute and Cumbrae, sixteen 
fathoms ; off Portincross, Ayrshire, fifteen fathoms ; 
off Port Dinlleyn, Carnarvonshire, ten fathoms; off 
Robin Hood’s Bay, Yorkshire (one specimen only 
seen), thirty-five fathoms. 
Sub-family 6. Nannopina, nov. sub-fam. 
Anterior antennze short, 6-jointed; secondary 
branch of posterior antennz 1-jointed; mandible- 
palp 1-branched, second foot-jaw forming a prehensile 
claw. Inner branches of the first and second pairs of 
feet 2-joited, non-prehensile, of the third and fourth 
pairs rudimentary, and consisting only of a few seta, 
fifth pair foliaceous, 2-branched. 
This sub-family contains only two genera, Nannopus 
and Platychelipus, both of which are new. 
Genus 22. NAnnopus,* nov. gen. 
Like Yachidius in general appearance. Head con- 
solidated with thorax; body-segments denticulated on 
* yvavvog, dwarf; rove, foot. 
