NEWLY-HATCHED CKAYFISHES. 



41 



That most careful naturalist, Roesel von Rosenhof, 

 says of the young, when just hatched : — 



'' At this time they are quite trans^Darent ; and when 



Fig. 8. — Astacns fluviatUis. — A, two recently hatched crayfish attached 

 to one of the swimmerets of the mother ( x 4). pr, protopodite ; 

 eti, endopodite ; and ex, exopodite of the swimmeret ; ec, ruptured 

 egg-cases. B, chela of a recently hatched crayfish ( x 10). 



such a crayfish [a female with young] is brought to 

 table, it looks quite disgustmg to those who do not know 



