INTRODUCTION. 
15 
longer than wide; outer jaw-feet narrow, third joint oval, 
fourth longish. Pore feet shorter, but much stouter than 
the others ; the hand swollen, and the fingers slightly bent. 
Abdomen in both sexes of six joints. 
Stenorhynchus Eostratus,^ L. sp. Slender-legged 
Crab . — Beak not reaching the end of the peduncle of the 
outer antennae ; epistome on each side with a little spine 
placed near the auditory organ ; carapace above with va- 
rious spines. 
Appears to be common on the coasts of Great Britain 
and Ireland, from Orkney to Cornwall. The Eev. G. Gor- 
don finds it in the Moray Firth (Zoologist, 3681), and Dr. 
How den in the Firth of Forth, in sandy or muddy bottoms 
(Proc. Eoyal Pliys. Soc. Edin. Jan. 1853). At Weymouth 
it spawns between May and August. 
Stenorhynchus tenuirostris, Leach, sp. (PI. I. fig. 1.) 
Slender-beaked Sjoider Beak extending beyond the 
end of the peduncle of the outer antennae ; arms more slen- 
i der than in the last species, and spinulose on the inner 
margin. 
Not so common as the last ; first found by Dr. Leach 
among Crustacea collected at Torquay, and found abun- 
* Cancer rostratus, L . ; Cancer Plialangium, Penn. 
