140 



FIRST BOOK OF ZOOLOGY. 



These appendages, having long hairs, retain the eggs all the 

 more securely. 



FIG. 128. SIDE- VIEW OF COMMON CRAB, WITH THE ABDOMEN EXTENDED AND CARRYING A 



MASS OF EGGS BENEATH. c, Eggs. 



Under the microscope the eggs appear like bunches of 

 berries or currants. The following figure represents a few 

 eggs from a common crab : 



A B 



TIG. 129. A, a few Eggs from a Common Crab, enlarged ; B, Single Egg greatly enlarged, 

 showing more plainly the hardened Thread t, by which they are attached to each other. 

 This Egg shows the young crab just beginning to form. 



129. The small legs of a crab terminate in a single claw. 

 There are no nipper or pincer-like ends as in the two forward 



