TABULATION OF RostRAL LENGTH OF SPECIMENS OF Caridina 
togoensis IiXAMINED 
Length of rostrum, as 
compared with an- 
tennular peduncle 
total of over 500 
Based on 81 specimens not sexed, of 133 
examined 
Based on 133 examined specimens out of a 
Twice the length of 
the last segment 
longer........ 2 
More Han ‘fhe jensth 
of the last segment 
longer... 8 
Longer chan ihe pe- 
duncle by the length 
of the last segment..| 22 || 10 
. Longer by one-half of 
the last segment, 
more or less........ 23 8 
Little longer than the 
antennular peduncle} 30 || 21 
aequale re, 22 || 18 
Little shorter than the 
antennular peduncle} 16 || 14 
Shorter than the an- 
tennular peduncle by 
one-half the length 
of the last segment..}| 10 || 10 
Number of specimens.| 133 || 81 
Based on 33 of 81 specimens with teeth near- 
10 
33 
ly to tip of rostrum, fogoensis type 
Number of Specimens 
Based on 48 of 81 specimens with decorset 
type of rostrum 
10 
mn || es | ee | ee 
48 
18 
Based on total of 52 sexed specimens of 133 
| Based on 19 o of the 52 sexed specimens 
12 
15 
' 52 
examined 
19 
From Stanleyville, April, 1915 
Based on 18 ovigerous @ of the 52 sexed 
specimens 
| 
18 
Based on 15 non-ovigerous 2 of the 52 sexed 
specimens 
15 
Based on random 10 of about 200 specimens 
from Avakubi, 2 o&' 8 @ (1 ovig.) 
| 
10 
Based on random 10 of 30 specimens from 
Niangara, 4 o«' 6 @ (1 ovig.) 
10 
Based on all specimens examined, 153 
10 
28 
30 
153 
