268 s. GOTO. 



Contents. 



Pack 



Introduction 1. 



Anatomy AND Histology 2. 



External Form of the Body 3. 



Investing Membrane 6. 



Musculature 13. 



Organs of Attacliment 16. 



Suckers 16. 



Of Microcotyle and Axiue 16. 



Of Octocotyle, Diclidopliora, and He-iacotyle 22. 



Of Onebocotyle 26. 



OfCalicotyle 28. 



OfMonocotyle 29. 



OfTristomum 82. 



OfEpibdella 35. 



Sticky Glands 35. 



Of Microcotyle and Octocotyle 35. 



Of Axine, Diclidopliora, and Mic. reticulata 37. 



OfCalicotyle ■ 37. 



OfMonocotyle , 38. 



Of Tristomum and Epibdella 39. 



Hooks 43. 



Mesencbyma 45. 



Digestive System 50. 



Excretory System 66. 



Nervous System 75. 



Keproductive System 83. 



Male Organs 83. 



Testes 83. 



Vas deferens 88. 



