x TABLE OF CONTENTS 



CHAPTER III 



AQUATIC HYMENOPTERA 



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



CHAPTER IV 



. AQUATIC CATERPILLARS 



Hydrocampa, p. 226. Paraponyx, 231. 

 CHAPTER V 



CADDIS-WORMS (TRICHOPTERA) 



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

 bearing Insects, 270. 



CHAPTER VI 



The Alder Fly (Sialis), p. 273. 

 CHAPTER VII 



PERLID.^E 



Stone Flies (Perla), p. 279. 



CHAPTER VIII 

 MAY-FLIES (EPHEMERID^E) 



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

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

 Pictet on Larvre of Ephemeridce, 322. 



CHAPTER IX 



DRAGON-FLIES (ODOXATA), P. 328 



