xii CONTENTS 



CHAPTER XXII 



PAGE 



Nematoda; Subfamily IT. Trichostroxgylin.e; Worms of the STOiiACH 



AND Intestine 268 



Characteristics of the Trichostrongylinse ; Parasitism; Gastro-intestinal 

 strongylosis of the sheep and goat; Its occurrence; Its symptoms; Gastro- 

 intestinal strongylosis of cattle; Its occurrence; Its symptoms; Post-mortem 

 appearance in gaslro-intestinal strongylosis, Development, etiology, con- 

 trol, and treatment of gastro-intestinal strongj'losis. 



CHAPTER XXIII 



Nematoda; Subfamily III. Stroxgylin.e; Worms of the Large and Small 



Intestines; Other Strongyles 280 



Characteristics of the Strongylinae; Parasitism; Nodular strongylosis of 

 the sheep and goat; Its occurrence; Its development; Its post-mortem ap- 

 pearance; Its symptoms; Treatment; Nodular strongylosis of cattle; Nodu- 

 lar strongylosis of the hog; Strongylosis of the large intestine of the sheep and 

 goat; Strongylosis of the intestines of the horse; Its development; Its symp- 

 toms; Its post-mortem appearance; Intestinal strongylosis of the dog and 

 cat; Other Strongyhnse; Tracheal strongylo.sis of chickens; The kidney 

 worm of the hog; Family Eustrongylidse and eustrongylosis. 



CHAPTER XXIV 



Nematoda; Family VII. Trichinellid.e 299 



Characteristics of the Trichinellidae ; The "whip-worms" of the large 

 intestine; Tnchinclla spiralis and trichinosis; Life history of Trichinella 

 spiralis; Intestinal trichinosis; Muscular trichinosis; Degeneration of the 

 trichina cyst; Infection; Symptoms of intestinal and muscular trichinosis in 

 hogs; Trichinosis in rats and mice; Prophylaxis. 



CHAPTER XXV 



The Thorn-headed Worm; The Leeches 306 



Characteristics of the order A(;anthocephala; The thorn-headed worm of 

 the intestines of the hog; Its life history; Its occurrence; Its pathogenicity; 

 Symptoms produced; Treatment; Characteristics of the class Annelida; 

 Characteristics of the order Hirudinea; The horse leech; The medicinal 

 leech; Sources of infestation by leeches; Their effect upon the animal at- 

 tacked; Treatment. 



