
es 

1923.] Zoological esults of Expedition to Yunnan. 439 
anteriorly and its length is from 1°65 to 1:75 times its distal 
breadth. The palm does not extend far backwards behind the 
carpo-propodal articulation ; the fingers are a little longer 
than the palm and a little shorter than the arpus 
The second legs (text-fig. 2b) reach about to the middle 
of the second antennular segment in females; in males Be ev 
are slightly shorter. The carpus is from 5 to 55 times as 
long as its distal breadth. The chela is one fifth shorter ‘than 
the carpus and is from 3°25 to 3°5 times as long as wide in 
females, about 3 times in ere in both sexes the fingers are 
1-5 times as long as the paln 

TExt-Fi@. 2.—Caridina gregoriana, sp. nov 
a. First eg e. Dactylus of third ba of female. 
b. Second leg. further enlarg 
e. Third leg of male. ?. Fifth leg. 
4. Third leg of female. q. pe Ai of first pleopod of 
In females the third legs (text-fig. 2d) reach about to the 
tip of the antenn al scale. At the distal end of the meras on 
Th 
The pepo from 8 to 9 times as Fie as wide; it bears a 
series of samen is spinules on its posterior border. The 
dactylus (text-fig. 2e) is rather slender and slightly curved and 
bears (in all) 19 to 21 spinules. The fourth h legs of the female 
are similar to the third but somewhat shor 
In males the third and fourth si Tost. fig. 2c) are 
