That was when he was teaching some young Crayfishes, his pupils.
The crabs (fig. 37) differ from the lobsters and crayfishes and shrimps in having the body short and broad, instead of elongate.
To attempt to answer it would involve the consideration of the distribution of many other groups of animals besides Crayfishes.
Before leaving the Crayfishes, it may be mentioned that certain species have become adapted to almost terrestrial habits.
He also forgot to say that it was a secret, and so they spoke freely of it to the Crayfishes and the Caddis Worms.
The crayfishes would leave these little retreats whenever disturbed, and swim away down stream out of sight.
Clark and Southall (1920:16) stated that "Its principal food, to judge from a few specimens examined, consists of crayfishes."
What the "Fine Pye," made otherwise of carps and artichokes and crayfishes' feet and lobster claws and nutmeg and cloves alone?
Her legs were almost useless, there were so many little Crayfishes clinging to them.
She was thinking how quickly she would shake off the little Crayfishes if they were her children.