I. EGG OF DOG-FISH. 



3-5 



2 EGG OF SMELT (after Cunningham). 



EGGS OF GOBY. 



The egg of the dog-fish is protected by a horny case, held to seaweed by tendrils. 

 The egg of tlie smelt is attached to seaweed by the turning back of the outer layer, 

 which is adhesive. The eggs of the Goby are attached in masses to the underside of 

 rocks, or shells They are seen in situ in 5, magnified in 3 and 4. 



21-1 



