Osphranticum labronectum (Potamoichetor). - 
. 
, 
Male. 
Antennule. . ; 
Maxilliped. 
Fifth feet of the male. 7 re 
Palp of the mandible. ie 
End of the abdomen. 
Feet of the first pair. 
Kye. 
Cyclops ater. 
Female. 
Abdomen. 
Maxilliped. 
Antenna. 
Osphranticum labronectum. Maxilla. 
si, labronectum. Antenna. 
