X TABLE OF CONTENTS 



CHAPTER III 



AQUATIC HYMENOPTERA 



Lubbock on PoljTiema, p. 219. Klapalek on Agriotypus, 223. 

 CHAPTER IV 



AQUATIC CATERPILLARS 



Hydrocampa, p. 226. Paraj^onyx, 231. 

 CHAPTER V 



CADDIS-WORMS (TRICHOPTERA) 



Life of Reaumur, p. 236. T. II. Taylor on Plectrocnemia, 265. Case- 

 bearing Insects, 270. 



CHAPTER VI 



SIALII).?-: 



The Alder Fly (Sialis), p. 273. 

 CHAPTER VII 



PERLID/F, 



Stone Flies (Perla), p. 279. 

 CHAPTER VIII 



' MAY-FLIES (EPHEMERID/E) 



Life of Suammerdam, p. 285. Swammerdam on Palingenia, 287. 

 Reaumur on Polymitarcys, 304. De Geer on Ephemera, 318. 

 Pictet on Larvre of Ephemeridn;, 322. 



CHAPTER IX 



DRAGON-FLIES (OUONATA), P. 328 



