6 Mr. MoxTacv's Description of several new or rare Animals, 
times clavate: this claw closes upon the edge of the hand, in. 
some between a double row of teeth ; in others destitute of teeth 
there is a single denticle that receives the end of the claw : legs 
ten, the two anterior pairs smaller than the others: caudal fins 
‚three pairs, the lower pair shortest, and all subulate : on the top 
of the exterior margin of the four posterior joints are two or 
three small spines. 
Length three eighths of an inch. Taken in Salcomb bay, but 
not common. . : : 
CANCER GAMMARUS PEDATUS. 
Tar. Il. Fig. 6. SET 
. Gammarus pedatus. Mull. Zool. Dan. iii. t. 101. 
— Body linear, with seven divisions or joints including the head; | 
the first two are furnished with a pair of arms each and subche- 
liferous hands, the claws being long, hooked, and folding upon 
the hands; the anterior pair is smallest; the posterior pair is 
armed with a small spine on the hinder part of the hand, that 
meets the claw when closed : the other five joints of the body 
are each furnished with a pair of legs; those on the two posterior 
joints are the longest, and the shortest pair is fixed to the fifth 
Joint; all these are armed with subulate claws: at the base of the 
hindmost pair of arms, and the two pairs of foremost legs, are 
two small oblong scales or vesicles ; antenne four, the two su- 
perior half as long as the body ; the inferior shorter by one half: 
at the mouth a minute pair of palpi; eyes sessile, reticulated, 
and of a crimson colour: the body and legs cinereous-green 
speckled with purplish red. — Bae | 
Length including antenn less than one inch. - 
. Found amongst Confervze at the Salt Stone, very scarce. 
Muller has given a tolerably good figure of this species ; but 
by 
