ILLUSTRATIONS XIX 



FIGURE PAGE 



258. The fully grown larva of the same beetle. Bur. Ent 116 



259. The pupa of the same within the larval skin. Bur. Ent 116 



260. A newly emerged beetle, not yet colored. Bur. Ent 116 



261. The fully colored and perfect adult. Bur. Ent 116 



262. The common House-lly {Mitsca domcstica); probably the most widely 

 distributed of all insects, and the animal most commonly associated with 

 man; a carrier of typhoid and other diseases. After Graham-Smith. . . 122 



263. The Blow-fly (Calliphora vomitoria); occasionally laj's its eggs in 

 wounds, etc., in which the maggots live. After Graham-Smith 122 



264. Another common Blow-fly {Calliphora erythrocephala). After Graham- 

 Smith 122 



265. The Flesh-fly {Sarcophaga caniaria); sometimes lays its eggs in wounds, 



etc. After Graham-Smith 122 



266. The Green Bottle {Lucilia caesar); also a wound infecting fly. After 

 Graham-Smith 122 



267. The Biting or Stable-fly {Stomoxys calcitrans) which is believed to 

 transmit mechanically a number of diseases; it is commonly mistaken 



for the House-fly which cannot bite. After Graham-Smith 122 



268. The Larger House-fly (Muscina stabidans); a filth frequenting fly 

 which occasionally lives as an internal parasite in man. After Graham- 

 Smith 122 



269. The Cluster Fly {Pollenia rudis); said to live in e.xcreta and in decaying 

 matter; also said to be parasitic in certain earth-v/orms. After Graham- 

 Smith 122 



270. The Lesser House-fly {Fannia canicidaris); next to the House-fly the 

 commonest fly in houses; occasionally lives as an internal parasite in 

 man. After Graham-Smith 122 



271. The Biting or Stable-fly (fig. 267) in resting position. From Austen. . . . 122 



272. The Latrine Fly {Fannia scalaris); occasionally an internal parasite in 

 man. After Graham-Smith 122 



273. The Congo Floor-maggot (fig. 339) Fly {Auchmeromyia lulcola). From 

 Graham-Smith 1 24 



274. The Tumbu Fly {Cordylobia anthropophaga); the maggots of this fly 



live beneath the skin. From Graham-Smith 124 



275. The Maggot Fly {Bengalia depressa), with the habits of the preceding, 

 occurring in southern and southeastern Africa; the adults sometimes 

 steal the pupae from the driver-ants. From Graham-Smith 124 



276. The Screw- worm (fig. 340) Fly {Chrysomyia macellaria) ; sometimes lays 

 its eggs in sores, or in the nose, ears, etc., from which the maggots bore 



in all directions. From Graham-Smith 124 



277. A Hippoboscid Fly {Lynchia maura) parasitic on the pigeon; the young 

 are born fully grown and ready to pupate as in the Tsetse Flies. From 

 Hindle 1 24 



278. Tht 'Horn-^y {Haematobia serrala); a biting fly that annoys cattle; the 

 maggots live in cow-dung. Bur. Ent 124 



279. A Hippoboscid Fly {Hippobosca rufipcs) parasitic on cattle in South 

 Africa. From Hindle 124 



