CEITSTACEA. 
103 
tbe throat of a codfish, or from the skin of a common dogfish 
(Squalus acanthus.) The swimmerets of these specimens were 
thickly covered with a species of 'Vovticctla^ a circumstance that 
is suggestive that they lived rather in the retired and (juiet posi- 
tion of the throat of the codfish, which their black colour also 
supports, rather than on the external surface of a fast-swimming 
dogfish. 
Genus, Monoculodes Stimpson. 
Marine invert. Grand Manan, p. 54. 
Oephalon produced and depressed anteriorly. Eyes coalesced 
into one. Eirst antennm without a secondary appendage. Eirst 
two paii'S of feet subchelate, wrist antero-distally produced to 
the extremity of the inferior margin of the hand. Telson entire. 
Mon'oculodes stimpsoni. — Spence Bate, Cat. Brit. Mus., p. 105, 
pi. xvi,f. 3 — Bate and Westwood, p. 168. 
Our first specimen was taken in the Channel off the coast of 
Cornwall, but it only consisting of a mutilated portion, the 
Original description in the catalogue of the British Museum was 
taken. We have since seen a specimen taken by the Eev. Mr. 
Norman off the coast of Northumberland. 
GAMARIBES. 
Genus, Dexaminb. — Leach. 
Edin. Encyclopedia, vii, p. 433. 
First pair of antennae having the third joint of the peduncle 
reduced to resemble the first articulus of the flagellum. Without 
S' secondary appendage. Mandibles having no appendage. 
Hands feeble, subchelate. Telson single, divided. 
Hexamine spinosa. — Montagu, Lin. Trans., vol. xi, t. ii, fig. 1. 
Bate and Westwood, vol. i, p. 237. 
All round our coasts where naturalists have searched. 
It is a prettily coloured species, brilliant red with dark crimson 
spots. Those that are found nearer the shore are less bright but 
darker hue, and obtain a stain of blue that lessens their 
brilliancy. 
