She may at once be singled out from her fellows by her habit of discreet silence and her odd proclivity for standing on her head when resting and feeding. Other mosquitoes remain on all fours, or rather, all sixes, when dining. This acrobatic insect is, as everyone knows, accused of inoculating her human prey with a protozoon, or microscopic animal organism, which in its turn is held responsible for the heats and chills, the aches, the pains, the languor, all the miseries of malaria. The idea is a simple one, requiring little intelligence to be understood. Is it rude to ask, what wonder that it has become popular? Less marvel, too, when one reflects that the theory is safeguarded by dividing Anophelines into a variety of groups, and claiming that the guilty must be the right sort, and yet further, the right sort duly infected. Now, the means of infection must come about through the insect having feasted on a malarial subject. That its subsequent bite might poison the healthy sounds a contingent by no means unlikely. The drawback to this probability is that the mosquito possesses the feminine characteristic of fastidiousness. Malarial subjects are the very ones avoided by her hungry Ladyship. Here I may interject that I am not writing of insects under control. What a famished mosquito may or may not eat during the course of an experiment, I am not concerned with. I refer to mosquitoes in a natural state, and personal experience has made me observe that the one benefit of malaria consists in the freedom it confers from mosquito bites. Though these insects are in the habit of treating me as a very Ritz or a Carlton among restaurants, periods of malaria always freed me from their ravages. They like their food to be of the best, and the blood freest from fever is the provender for their delectation. During nineteen years of tropical life, my mother never experienced a single attack of malaria; yet she was always the chief _pièce de résistance_ for every mosquito within her vicinity. It may be noticed that the individuals least susceptible to malaria are those most feasted upon by mosquitoes, including the suspects, though whether these be _Anopheles Umbrosus_, _Anopheles Maculatus_, _Anopheles Christophersi_, _Anopheles Albimanus_, _Anopheles Argyritarsis_, or any others of high-sounding title, I should certainly not presume to discriminate.