CRUSTACEA. 



99 



Loughrin has found it at Polperro, and I have dredged it in 

 Plymouth Sound. 



Anonyx minutus. — Kroyer, Voy. en Scand.pl. xviii,fig, 2. 

 Found in Plymouth Sound and Falmouth Harbour 



Genus, Oallisoma. — Coda. 

 Like Anonyx and Lysianassa, but having the first pair of legs 

 slender, and not tipped with a nail. Telson double. 

 Callisoma crenata. — Spence Bate — Bate and Westwood, vol. i. 

 p. 120. 



I have only seen two or three specimens of this species. I 

 found it first off the Eddystone, and Mr. Edwards has sent to me 

 from Banff. Mr. Jeffreys has taken it in abundance on the Haaf 

 fishing ground, off the Shetland. 



AMPELISCIBES. 



Genus, Ampelisca. — Kroyer. 



Eyes imperfect. Cephalon, or head, produced. Antenna) long 

 and slender. First two pairs of legs slender, imperfectly sub- 

 chelate. Telson squamiferous, cleft. 



Ampelisca gaim radii. — Kroyer, Voy. en Scand. Crust,, pi. xni } 



fig- i. 



Frequently taken in Plymouth Sound. 

 Ampelisca belliana. — Spence Bate. — Bate and Westivood, vol. i., 

 p. 135. 



A northern species, but I have dredged it in Plymouth Sound. 



PJEOXDES. 

 Genus, phoxus. — Kroyer. 



Cephalon considerably advanced in front, like a hood, eyes 

 none, or inconspicuous. First antennee with a secondary ap- 

 pendage. First two pairs of legs subchelate. Telson double. 

 Pnoxus simplex. — Spence Bate. — Bate and Westwood, p. 140. 



Dredged in Plymouth Sound. 

 Pnoxus holbolli. — Kroyer, Tidih., vol. iv.,p. 150. 



I have taken it with the dredge in Plymouth Sound, and Mr. 

 Edward has sent it to me from Banff. I am induced to believe 

 that this and the previous species are but sexually distinct. 



