302 Records of the Indian Museum [VoL. V 
for such a small species, measure approximately 1°75 mm. in 
length and 75 mm. in breadth. 
We succeeded in hatching out a number of the eggs, and 
ascertained that development is direct in P. lamarrei, the young 
prawn entering upon its free life with the full complement of 
thoracic and abdominal appendages, except the last pair of the 
latter, and the abdominal appendages are uniramous. A similar 
abbreviated metamorphosis was long ago observed by Fritz Miller 
in the case of P. potiuna (Zool. Anzerg. Jahrg. iti, 1880). 
