LIST OF ILLUSTRATIONS. 



Plate. Facing page. 



I. Antennal sense-organ of Culicidse 30 



II. Mouth-parts of Culex 36 



III. Thorax of Psorophora 56 



IV. Fig. 1. Heliconia champneiana Griggs. Eastern Guatemala 156 



Fig. 2. Bromeliads. Cordoba, Mexico 156 



V. Fig. 1. Heliconia champneiana. Eastern Guatemala 156 



Fig. 2. Epiphytic Tillandsia. Florida Keys 156 



VI. Fig. 1. Flower-spike of Calathea. Eastern Guatemala 156 



Fig. 2. Bromeliaceous plant on trunk of royal palm. Porto Rico 156 



VII. Fig. 1. Anopheles and Culex larvae in natural position in water 158 



Fig. 2. Adult mosquitoes destroyed by fungus 158 



VIII. Figs. 1, 2. Larva of Chaoborus 168 



Fig. 3. Larva of Corethra 168 



IX. Fig. 1. Crane Lake, Saskatchewan, June, 1907. Mosquito net for 



protection of face 252 



Fig. 2. Destroying the yellow-fever mosquito by fumigation 252 



X. Fig. 1. Covered rain-water tanks at New Orleans 282 



Fig. 2. House at Pretoria, Transvaal, protected against ants by resting 



on water-filled metal pans 282 



Fig. 3. Mosquito-breeding tree-hole 282 



XI. Mosquito breeding-places at Dallas, Texas 286 



XII. Operations of filling in salt marshes, Sheepshead Bay, Long Island. . . . 334 



XIII. Draining the salt marsh, Hackensack Meadows, New Jersey 336 



XIV. Fig. 1. School children finding mosquito breeding-places, Worcester, 



Mass 356 



Fig. 2. Mosquito class-work, Worcester, Mass 356 



Vil 



