498 APPENDIX. 
the distal margin of the propodos. In O. euchore the hand 
is more ovate, and the dactylos reaches to the extremity of 
the palm. 
The hand of the second pair of gnathopoda is smaller in 
proportion than that of the male in other species, which, 
together with the size of the animal, incline us to believe the 
specimen to be a not yet fully grown animal. 
We are indebted for this species to Mr. Edward, who took 
it near Banff. Its eyes are black, and its colour a light 
olive-green. It probably has been passed over for the young 
of the more common species. 
