160 



ANIMAL BIOLOGY 



fore, in the case of crayfishes nothing like the parental care 

 of higher animals. 



Fig. 



112. — Female lobster with eggs beneath abdomen. CHerrick's "Amer- 

 ican Lobster" — United States Fish Commission.) 



117. Relatives of the crayfish. — One of the relatives of the cray- 

 fish is the lobster (Fig. 112), which is a salt water animal found along 

 the north Atlantic coast. Like the crayfish, its bodj^ consists of 



