XVI CONTENTS. 



CHAPTEE XIII. — Strongylus bronchialis. 



Gfeneral and specific cliaracters of Strongylus hronchialis and JEastrongylus gigas — Organi- 

 zation of the latter — Characters of Sclerostoma duodenale and Oxyuris vermicularis — 

 Conflicting statements respecting the anatomical peculiarities of the Oxyurides — 

 Opinions of Eberth, Kiichenmeister, Walter, Schneider, Davaine, Olaperede, and 

 others — Development — Injurious effects on man — Treatment. . P. 356 — 372 



CHAPTER XIV. — Dbacunculus medinensis. 



Importance of the Guinea-worm in reference to the disease termed dracontiasis — 

 Principal authors who have written on this subject — General and specific characters 

 of Dracunculus medinensis — Geographical distribution — Anatomical structure of 

 the adult female — Organization and development of the embryos — Treatment and 

 precautions to be observed — Summary — Brief notice of a second species. 373 — 389 



P A E T III. 



SPURIOUS HELMINTHOLOGY. 



CHAPTER I. — Pentastoma t^nioides. 



General and specific characters of Pentastoma teenioides — Occurrence of this parasite 

 in the human subject in its larval condition — Structure of the so-called Pentastoma 

 denticulatum — How the eggs and embryos may gain access to our bodies — Pruner's 

 discovery of a second species of human Pentastome— Its characters coiitrasted with 

 those of the larva of Pentastoma teenioides. ...... 393 — 402 



CHAPTER II.— Dactylius aculeatus. 



Probable identity of Dactylius aculeatus with Enchytrceus albidus — The so-called Spirop- 

 tera hominis referable to Filaria piscium— The Diplosoma crenatum or concrementa 



