574 MR ANDREW MURRAY ON THE PEDICULI 
Descriptions. 
The following is a brief description of the different kinds I have examined, 
preliminary to which I furnish an explanation of the terms applied to the dif- 
ferent parts, not hitherto been used as characters :— 
British.—Dirty white; elongate; antennze short, and rather robust. 
$ Anterior leg—Thumb moderate, slightly curved on exterior side; apical 
spine strong; penultimate joint of tarsus curved, not much broader at base than 
at apex; projection or inner plate small; claw equal in length to penultimate 
joint, moderately curved, very slightly irregularly rippled on the edge. 
? Anterior leg—Thumb almost awanting; apical spine the length of the 
penultimate joint, which is short and narrow; claw more than twice its length 
—not toothed. 
Scotland. 
Russian.—Dirty white; claws and tip of thumb yellow; obovate. 
é Anterior lege—Thumb large, with a slight exterior bend; spine at tip awant- 
ing, and seems never to have been there ;* penultimate joint broad at base, its 
termination more conical; inner projection or plate almost awanting ; claw longer 
than the latter, more powerful than in the Scotch; teeth irregular and shallow, 
like a slight ripple. 
? St Petersburg. (Count MoTscHuLsky.) 
Slave Lake-—Dusky blackish ; obovate. 
6 Anterior leg—Thumb large and thick, very slightly rounded externally, and 
with scarcely any bend; spine at top awanting; penultimate joint short, and 
nearly as broad at top as at base; inner projection or plate almost awanting ; 
claw nearly twice as large as the latter, thick and powerful, very considerably 
curved, with two or three smallish teeth. 
Slave Lake, from the head and body of a child. (Mr Bernarp R. Ross.) 
Californian Indians.—Dusky olive brown. Long and narrow. 
é Anterior leg—Thumb large, thick and long, not bent, only slightly rounded 
exteriorly; apical spine small and short; penultimate joint thick and robust, not 
very much wider behind than in front; inner projection almost wanting; claw 
longer than penultimate joint, moderately broad edge, not toothed, slightly 
waved or rippled. 
* Perhaps this is the specific character of P. vestimenti. 

