APPENDIX, 505 
AMPHIPODA. AMPELISCIDES. 
NATATORIA, (Vol. I. p. 137.**) 
el eos 
co a) 
(% “a 

KENT 
(BRR SS 
\\ ; 

Genus—HAPLOOPS. (Lilljeborg.) 
Generic character. Closely allied to Ampelisca, but differs in 
having the cephalon less anteriorly produced, and the organs of 
vision reduced to two. 
HAPLOOPS TUBICOLA. 
Specific character. Superior antenne about one-third of the length of the 
animal, ciliated beneath, without an accessory filament. Two pairs of gnatho- 
poda small and hairy. First and second pereiopoda terminated by long stylate 
fingers. 
Length, about half an inch. 
Haploops tubicola, LitugEBoRG, Ofvers. af Kongl. Vet. Akad. 1855. 
Bruzeuivs, Skand. Amph. Gam. p. 88. SPENCE 
Barer, Cat. Amph. B. M. p. 371. 
Ampelisca Eschrichtii? Liisecore, |. ¢. 1852, p. 6. 
CrpHaton anteriorly depressed, without a rostrum, having 
the superior antenne affixed to the apex, about one- third the 
length of the animal, and inferiorly ciliated ; inferior antennz 
slightly longer than the superior: enathopoda subequal, 
hairy: first two pairs of pereiopoda with long stylate dactyla, 
