EGGS 



31 



climbs the stem of a submerged plant and puts an egg 

 on each stem or leaf as she goes — one for each leaf ; 

 but the axolotl swims over and among the plants and 

 may put more than one of her flat, buttonlike eggs, 



^.-S?^"'' 



d 



4^ 



•IV 



Fig. 16. — Eggs of different animals, showing variety in external 

 appearance, a, egg of bird ; b, eggs of toad ; c, egg of fish ; d, egg 

 of butterfly ; e, eggs of katydid on leaf ; /, egg-case of skate. 



all in a row, upon the stem. The Congo snake (Am- 

 jMuma) lays its eggs in a string in the water, then 

 coils its long body about them and bunches them into 

 a circular mass. So also the spotted triton (or spotted 

 salamander) bunches its eggs. The more land-haunt- 



