LIST OF PLATES. 



Plate 1 (Tadpoles) 



Plate II ,, ... 



Plate III (Ducks)... 



Plates IV— V (Cestode Parasites) 



Plate VI (Oligochaeta) 



Plates VII— VIII (Tipulidae) 



Plate IX (Frogs) ... 



Plates X— XIV (Parasites of Fish) 



Plate XV (Cetacea) 



Plate XVI (Unionidae) 



Plate XVII {Anopheles) 



Plate XVIII (Mollusca) 



Plate XIX (Diptera) 



Plate XX (Shells) 



ERRATUM. 



In explanation of plate XIX following p. 158 : Fig. 2 for " Lateral 

 view of the larva of C. )nanilensis " 7-ead " Labrum of the same." 



