CONTENTS. xix 



PAGE 



3. Strong ylus gigas . . . . 376 



4. S. longevaginatus . . . . . .381 



5. Ancylostomum duodenale . . . . . 384 



6. Ascaris lumbricoides . . . .410 



Appendix to translation . . . . . 428 



Appendix A. Mr. Rainey's researches on Cysticercus celluloses in the pig . 428 



Appendix B. Additional cases of the occurrence of species of Distoma in the 



human body ...... 433 



Appendix C. Case of the occurrence, and description of a nematoid worm, 



Dactylius aculeatus, and account of Spiroptera hominis . . 438 



