University Studies 



Vol. V OCTOBER 1905 No. 4 



I. — Studies oil Human Parasites in North America 

 I. Filaria loa 



BY HENRY B. WARD 



CONTENTS 



1. Introduction 



Origin and scope of paper ...... 2 



Data on new cases in North America .... 3 



2. Cases of Filaria loa on record 



List of genuine cases . . . . . . n 



Cases wrongly assigned to Filaria loa . . . .22 



3 Morphology of Filaria loa 



Structure of the parasite ...... 26 



Life history ......... 28 



Taxonomy . . . . . . . .31 



Geographical distribution . . . . . -33 



4. Pathology of Filaria loa 



Seat of the parasite ....... 38 



Effects on the host . . . . . . .40 



Calabar swellings . . . . . . . 41 



5. Clinical data 



Case of Milroy ........ 46 



Case of Lota ........ 48 



6. Critical bibliography of Filaria loa 



Annotated list of references . . . . . .50 



University Studies, Vol. V, No. 4, October 1905. 



271 



