PAGE 



xiv INTRODUCTION TO ZOOLOGY 



CHAPTER XXI 



Class Insecta : Order V. Neuroptera (continued) . . 308 



Family 2. Ephetneridae. — May-flies. Family 3. Perlidae. — 

 Stone-flies. Family 4. ,SmZic?ae.— Alder-flies. Family 5. 

 Chrysopides. — Lacewing-flies. Family 6. Phryganeidae ( = 

 Triehoptera). — Caddis-flies. Classification of Neuroptera ; 

 directions for practical work. 



CHAPTER XXII 



Class Insecta : Order VI. Diptera .... 327 



SiTB-OEDBB 1. Brachycera (Short-horned flies). — The House- 

 fly, Blow-fly, Tsetse-fly, Hover-fly, Volucella, Drone-fly, 

 Chameleon-fly ; directions for practical work. 



CHAPTER XXIII 



Class Insecta : Order VI. Diptera {continued) . .339 



SuB-ORDEE 2. Nemocera (Thread-horned flies). — Gnat, Mos- 

 quito, Phantom-fly, Harlequin-fly, Splay-footed Fly, Horn- 

 bearing Fly, Sand-fly, Daddy-long-legs or Crane-fly, Gall- 

 midges. SuB-OKDER 3. Aphaniptera. — Fleas. Classification 

 of Diptera ; directions for practical work. 



CHAPTER XXIV 



Class Insecta : Order VII. Hymbnoptera . . . 362 



SUB-ORDER Hymenoptera Aouleata: Family 1. Apidae. — 

 The Honey Bee, Earth Humble Bee, Stone Humble Bee, 

 Moss-carding Bee, Burrowing Bee, Leaf-cutting Bee, Mason 

 Bee ; classification of Bees ; directions for practical work. 



CHAPTER XXV 



Class Insecta : Order VII. Hymenoptera (continued) . 389 



Family 2. Vespidae. — The Common Wasp, the Hornet. 

 Family 3. Eumewidae. — Solitary Wasps. Family 4. Pom- 

 pilidae. — Running Wasps. Family 5. Sphegidae. — The Sand 

 Wasps. Classification of Bees and Wasps ; directions for 

 practical work. 



