LIST OF PLATES.* 
CHIRONOMID^E. 
Midges. 
Plate i. Fig. r. Ceratopogon varius, Winn. 
Plate i. -Fig. 2. Ceratopogon pulicaris, Linn. 
CULICID/E. 
Plate 2 
Plate 3 
Plate 4 
Plate 5 
Plate 6 
Plate 7 
Plate 8 
Plate 9 
Gnats or Mosquitoes. 
Anopheles nigripes, Staeg. 
Anopheles bifurcatus, Linn. 
Anopheles maculipennis, Mg. (The Spotted 
Gnat.) 
Theobaldia annulata, Schrk. 
Cnlex cantans, Mg. 
Culex nemorosus, Mg. 
Culex pipiens, Linn. (The Common Gnat.) 
Grabhamia dorsalis, Mg. 
Plate io. 
SIMULIDTI. 
Simulium reptans, Linn. 
TABANID^E. 
Horse-flies. 
Plate ii. Fig. I. Hannatopota pluvialis, Linn. Male. 
Plate ii. Fig. 2. Hrematopota pluvialis, Linn. Female. 
* Except where otherwise stated, the female alone is illustrated. The crossed lines on 
the plates indicate the natural size of the insects, 
