CONTENTS. 



PAGE 



Introduction 1 



Dissection of Bony Fish 9 



Dissection of Dogfish 17 



Comparisons of Fishes 20 



Selachii 21 



Teleosts 24 



Comparisons of Fishes 32 



Pisces 33 



Dissection of Frog 40 



Dissection of Tadpole 47 



Comparisons of Ichthyopsida 48 



Batrachia, or Amphibia 49 



Comparisons of Ichthyopsida 54 



Ichthyopsida 55 



Dissection of Turtle 56 



Dissection of Snake 58 



Dissection of Bird 59 



Comparisons of Sauropsida 63 



Reptilia 64 



Aves 71 



Comparisons of Sauropsida 84 



Sau ropsida 85 



Dissection of Rat 86 



Comparisons of Vertebrates 96 



Mammals 97 



Comparisons of Vertebrates 125 



Vertebrata 127 



Chordata 153 



Dissection of Crayfish or Lobster , 157 



Dissection of Sow-bug 162 



Comparison of Crustacea 163 



v 



