GALL GNATS OR CECIDOMYIIDÆ.

A Handbook of the Gnats or Mosquitoes

history of the mosquito tribe, and on the methods of observing and collecting these insects. The usual food of all species is the juice of plants, and though the females of many species suck the blood of vertebrates, food of this sort is not essential to their welfare. A high atmospheric temperature appears to be the determining condition of these sanguinary outbursts, and we often read in the ...

A Handbook of Gnats or Mosquitos

for over a year ago, but Lieutenant-Colonel Giles found that so many changes were necessary, and so much new knowledge had to be added that nothing less than completely re-writing his book would be of any avail. We have no reason to regret the inevitable delay : the present volume has grown to over 520 pages instead of 370, and in every respect the new volume is an improvement on the older one....

Handbook of the Gnats or Mosquitos, 2nd Edition

On Gall-Stones or Cholelithiasis

Bacillus Lepræ, Gnats and Bugs

Dear Sir,?You will be glad to learn that Dr. W. J. Goodhue, Medical Superintendent of the Leper Settlement at Molokai, after several years of investigation there, has been able to demonstrate the bacillus lepra? of Hansen in the mosquito and in the bed-bug. I will quote, from Dr. Goodliue'3 official (but as yet private) report to the Hawaian Board of Health : February 10th, 1906. " We have sinc...