1922. S. Kemp: Notes on Decapoda. 117 
Proportional lengths of segments of peraeopods in Xtphocaridina 
curvirostris. 
(FEMALES ONLY.) 
5 || R. AVON, NEW ZEA- 
TEZPUR, ASSAM. | LAND. 
Mini- | Aver- | Maxi- | Mini- | Aver- | Maxi- 
mum age. mum mum. | age. | mum. 
rere ex pees’ | 
First peraeopod— | | | 
Carpus: length + breadth SeieiZe ol AG) 2°00t'! = Fee 19 1'97 
Chela: length +breadth ne Ry 2 - Sale 2:05 2°62 27 2°85 
Chela-length + carpus-length Pealeetesselee des, ||. 156) |lpareay 14 1°42 
Second peraeopod— 
Carpus: length + breadth Solescsonen 6:4: |. 6:40: |, 6-26 6:3 645 
Chela: length + breadth se alesesS 3:4 | 3°58 3°24 3:3 3°44 
Chela-length + carpus-length eiinacaG 1-6) | 1°72 |! 1°60 | 1: @e emma 
Third peraeopod — 
Propodus-length + dactylus-length .. 348 | 34 3°93 | 3°49 36 3°75 
Fifth peraeopod — | | | | 
Propodus-length-:dactylus-length .. | 3°30 | 34 | 3°73 | 3°37 3:5 3°61 
peomeni eres St a Se Sere ee | | 
Rostral formulae! of Xiphocaridina curvirostris. 
Tezpur, Assam 
3)3+6+7 2)2+4+2+3 D3grari+2+? 2)2+6+1+4 
5 4 4 4 
2)24+5+E45 3)34+7+245 2)2+5+1+5 2)24+8+2+4 
3 5 4 6 
2)2+4+1+4 2) 2-4 + Us be 2)2+6+4+1+? 2)2+6+4 
4 5 4 4 
2)24+5+1+14+4 2)2+54+14+4 2)2+6+4 2)2+4+1+3 
4 3 4 4 
oaks 22 oor leet 2)2+6+2+4 
4 5 3 
Manipur. 
2)2+4+I1+1+5 2)2+4+4 SU Site ater tO 
4 4 4 
R. Avon, Christchurch, New Zealand. 
313+54144 2)24+54+143 2)2+5+1+4 3)3+2+1+1+6 
3 5 5 8 
2)2+4+1+4 co) Bieeeia el ace 2i2+5+1+4 2)2+4+1+1+4 
4 4 5 6 
2)2+4+1+4 2)2+5+1+4 2)2+5+1+6 2)2+5+14+5 
4 5 4 4 
a) ites te Seta 3)3+7+6 
4 4 
! The numbers of dorsal teeth are given above and those of the ventral 
below the horizontal line. In the case of the dorsal series, the full number is 
shown to the right of the bracket, the plus signs indicating gaps between indivi- 
dual teeth or series of teeth. The figure on the left, separated by the bracket, 
represents the number of teeth situated on the carapace behind the orbital notch. 
In the present species it will be noticed that these teeth invariably form a distinct 
series, isolated by a toothless space from those further out on the limb of the 
rostrum, 
