CONTENTS. ^^^^ 



CHAPTEE IX.— Cestoda. 



Particular l&vY^—CoBnurus cerehralis of tlie sheep— Rose's discovery of a second kind 

 of Coenurus— Several other forms now known— Numan's observations— The Ct/sti- 

 cercus tenuicoUis and C. /«scfoZaru-Bothriocephalida3— Structure and develop- 

 ment— Genera— Biph^Uohotkrium and Z>«ctts^iiar?;a—TetrarhynchidjB— Structure, 

 habits, and development— Genera ....-• • ?■ 116—141 



PAET IL 



SPECIAL HELMINTHOLOGY. 



CHAPTER I.— Trematoda. 



Importance of experimental research in human helminthology — Species of entozoa 



infesting man — The common liver fluke, or Fasciola hepatica — G-eneral and specific 



characters — History and nomenclature — Distribution and descriptive anatomy — 



Comparison with Fasciola gigantea — Special structural peculiarities . 145 — 163 



CHAPTER II.— Fasciola hepatica. 



Development of Fasciola hepatica — Eggs and ciliated embryos — Injurious effects of the 

 liver-fluke upon man and animals — Symptoms produced by the Rot — Pathological 

 appearances — Treatment — Summary 164 — 183 



CHAPTER III. — DiSTOMA liANCEOLATUM. 



Flukes with a simple unbranched intestine — Distoma lanceolatum — General and specific 

 characters — Its non-identity with Fasciola hepatica — Kichner's interesting case — 

 Leuckart's account of the embryo — Distoma ophthalmohium — D. crassum and D. 

 heteTophyes — Bilharzia hcematohia — General and specific characters — Structure 

 and development — Injurious effects on man — Tetrastoma venale — Hexathyridium 

 pingmcola and ^. venarum . ... . . . . . . . 184 — 207 



