Volume X 
MAY, 1918 
No. 4 
COMBATING LOUSINESS AMONG SOLDIERS 
AND CIVILIANS. 
By GEORGE H. F. NUTTALL, M.D., Ph.D., Sc.D., F.R.S. 
Quick Professor of Biology, Cambridge. 
(From the Quick Laboratory, University of Cambridge.) 
(With Plates X—XIII and 26 Text-figures.) 
CONTENTS 
PAGE 
Introduction.413 
I. Prevention : General measures for guarding against infestation with lice . 415 
Education ............. 415 
Cleanliness and measures which promote it . . . . . .417 
Care of the body ........... 418 
„ „ head.418 
„ „ clothing........... 410 
Protective clothing ........... 420 
Avoiding contamination . . . . . . . . . .421 
Free ventilation as a help .......... 422 
Frequent inspection essential ......... 422 
II. Lousing by mechanical means when the parts infested are : 
The head.423 
,, body ............ 425 
„ clothing ............ 426 
Drying and storage of clothing and effects as a means of louse disposal . 427 
III. Destruction of lice. 
General considerations: sham death of lice. The relative resistance of the 
various stages ........... 428 
1. Destruction of lice by heat. 
Experiment'll section-. Regarding the temperature that is required to kill 
corporis by: 
Dry heat ............ 429 
Moist heat.433 
Parasitology x 27 
