278 



Tabi,e 



Measurements of Caridina nilotica {Roux), 



No. I No. 2 No. 3 No. 4 No. 5 



I/ength in millimetres from tip of rostrum to 

 tip of telson . . 



Toothing" formula of the rostrum . . 



Rostrum longer > , or shorter < than the sca- 



phocerites 

 Rostrum longer > , or shorter < than the cara- 

 pace 

 Proportion between the length of the toothed 



and that of the unarmed part of the upper 



margin 

 lycngth of carpus . , . • . . . . >, 



Breadth of carpus . . . , 



Proportion between length and breadth of 



carpus 

 lycngth of chela 

 Breadth of chela 

 lycngth of fingers 

 Proportion between length of fingers and 



that of palm . . 

 Proportion between length and breadth of 



chela 

 Ivcngth of carpus 



Breadth of carpus at distal extremity 

 Proportion between length and breadth of 



carpus 

 I^ength of chela 

 Breadth of chela 

 I^ength of fingers 

 Proportion between 



that of palm 

 Proportion between 



chela 

 lyCngth of propodite 

 Breadth of propodite in the middle 

 Proportion between length i and breadth 



propodite . . . . 



Length of dactylus 



Proportion between length of propodite and 



that of dactylus 

 Breadth of dactylus 

 Proportion between length and breadth of 



dactylus 

 Number of spines of dactylus, terminal claw 



included 

 Length of propodite 

 Breadth of propodite in the middle 

 Proportion between length and breadth of 



propodite 

 Length of dactylus 

 Proportion between length of propodite and 



that of dactylus 

 Breadth of dactylus 

 Proportion between length and breadth of 



dactylus 

 Number of spines of dactylus, terminal claw 



included . . . . . . , . J 



&iO 





<3J 



length of fingers and 

 length and breadth of 





of 



r c3 



r OS 



28 



202+2 



II 



slightly 



> 

 slightly 



< 



2 



I 06 

 048 



2-2 



1-3 

 056 



078 



1-5 



2'3 



1-95 



0-33 



6 



1-35 

 0-46 

 084 



3 



2-46 



018 



137 

 0-6 



4-t 

 014 



4-3 



10 

 2-95 

 0-175 



0-88 



3-35 

 016 



5'5 

 54 



25 

 222 + 1 



17 



slightly 

 > 



4-4 

 1-02 



0-58 



1-8 



1-34 



07 



0-8 



1-5 



1-9 

 1-8 

 0-38 



47 



1-34 

 0-56 



0-88 



1-65 ! 1-9 



2-4 

 22 

 o-i66 



13-2 

 0-55 



0-138 



23 



2l2 + 2 



II 



slightly 



> 

 slightly 



> 



3-26 



0-9 



0-46 



2 



I'l 

 0-56 

 0-67 



1-56 



2 



1-5 

 0-36 



4-2 

 1-28 

 0-47 

 0-86 



27 



1-96 



0-146 



13-4 

 0-5 



4 



0-12 



4-1 

 9 



2-2 

 0-126 



17 



23 



24 + 2 



14 

 > 

 > 



3 

 0-85 



0'43 



2 

 I'l 



0-56 

 0-63 



1-34 



2 



1-48 



0-314 



47 



I-I5 



044 



075 

 1-87 

 2-6 



2-28 

 0-142 



16 

 07 



3-3 

 013 



5-4 



45 



21-5 



272+ i2 



16 or 17 

 > 

 > 



3'2 



0-8 

 0-36 



2-2 

 1-06 



0-5 



0-63 



1-5 



2-1 



1-46 



0-26 



5-6 

 i-i 



0-38 

 072 



I "9 

 2-9 



,.#■ 



