XVI LIST OF PLATES. 



is in the process of restoring them. 2. Star-fish {G-oniaster 

 equestris). 3. Under side of the same. 4i. Balanophyllea regia. 



PLATE XYIII. 



The Water-Spider {Argyroneta aquatica), and air-bubbles, 

 with young. 



PLATE XIX. 



Newts. 1. Triton cristatus, female. 2. Male. 3. Young. 

 4. Water Beetle {Dyticus marginalis) devouring a Planorhis. 



PLATE XX. 



Eresh-water Tortoise {Emys concentrica) and a young Alli- 

 gator. 



