CONTENTS OF VOL. II. H 



Class IV. Infusoria. 



Page. 



Order I. With external organs. Cercaria, Furocerca, 

 Trichoda, Kerona. . . 618 



Order II. Without external organs. Monas, Volvox, 

 Bursaria,, Kolpoda, , .618 



EXPLANATION OF THE PLATES. 



(The Binder is desired to place all the Plates at the end of Vol. I.) 

 PLATE I. 



Fig. 1. Plecotus auritus or Long-eared Bat, vol. i. - 176 



2. Tusks and grinders of the Badger. #, Inside 



view of the teeth of the upper jaw. b, A similar 

 view of the teeth of the under jaw, 181 



3. Common Seal, a, Hind-feet and tail viewed dor- 



sally. -; , 186 



4. Common Porpess. 209, 



5. Teeth of , One from the middle of the 



lower jaw. b, One from the middle of the up- 

 per-jaw, ib. 

 . 6. Milk tusk of the Common Narwal, 210 



PLATE II. 



1. Colymbus Troile, with the bill open, to exhibit 



the notch, - 262 



2. Bones of the wing of the Corncrake, illustrative 



of the method of amputating portions of that or- 

 gan in wounded birds, 265 



PLATE III. 



1. Clupea alosa or Shad, ;J85 



2. Rhombus punctatus, _ .S88 





