METAMORPHOSES. 375 



kept in frequently renewed sea-water for a few days, 

 will enable the aquariist to observe the strange form 

 under which the progeny of these crustaceans first 

 make their appearance from the egg, and perhaps, 

 with care and attention, to trace their subsequent 

 metamorphoses, two phases of which we have figured 

 (PL VII. fig. 2). 



