A manual of practical hygiene for students, physicians, and health officers . Anopheles maculipennis. Male. Anopheles maculipainis. Female. 105 and 106) has the dappled wings described by Ross. The palpiare black. 2. Anopheles punetipenuis has a yellowish-white spot extendingabout three-fourths of the length of the front margin of the wing.(Figs. 107 and 108.) 3. Anopheles crucians.—The scales of the last wing-vein are white,1 Insect Life, ITI., p. 403. * Mosquitoes, New York, 1901, p. 230. 698 THE RELATION OF INSECTS TO HUMAN DISEASES. marked with three black spots. The palpi are marked with
A manual of practical hygiene for students, physicians, and health officers . Anopheles maculipennis. Male. Anopheles maculipainis. Female. 105 and 106) has the dappled wings described by Ross. The palpiare black. 2. Anopheles punetipenuis has a yellowish-white spot extendingabout three-fourths of the length of the front margin of the wing.(Figs. 107 and 108.) 3. Anopheles crucians.—The scales of the last wing-vein are white,1 Insect Life, ITI., p. 403. * Mosquitoes, New York, 1901, p. 230. 698 THE RELATION OF INSECTS TO HUMAN DISEASES. marked with three black spots. The palpi are marked with white atthe bases of the last four joiuts. (Figs. 109 and 110.) A. maeulipennis and A. puncUpennis are distributed very widely,beiug found in greater or lesser abundance thioughout the country. Theformer is the most common Anopheles in the malarial (.listricts ofAfrica, and Southern Europe, and is found in Great Britain, Germany,France, and elsewhere. Fig. Anopheles punctipennis. Male. (After Howard.) A. crucians is a Southern form, believed to be the carrier of the per-nicious, tropical, sestivo-autumnal fever, but not the only one, for inSt. Lucia, for example, Avhere the great majority of cases of malariaare of the pernicious type, the common mosquito is A. albipes. Fig. 108.
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