xxii LIST OF ILLUSTRATIONS 



PAGE 



FIG. 318. Jumping Mouse, Zaptis hudsonius 229 



FIG. 319. Gray Gopher, Citellus franklini 229 



FIG. 320. Woodchuck, Marmola monax 230 



FIG. 321. The Painted Lady, Pyrameis cardui . . . . . 230 

 FIG. 322. Round-winged Katydid, A mblycorypha rotundifolia . .231 

 FIG. 323. Oblong-winged Katydid, A. oblongifolia . . . .231 



CHAPTER XI 



FIG. 324. Water Snails 233 



FIG. 325. Blob or Miller's Thumb, Cottus ictalops .... 234 

 FIG. 326. One of the Pond Weeds, Potamogeton natans . . .235 



FIG. 327. Stir pus atrovirens 235 



FIG. 328. S. Torreyi 235 



FIG. 329. S. validus 235 



FIG. 330. Juncus balticus 235 



FIG. 331. J. tennis 235 



FIG. 332. J. canadensis 235 



FlG. 333- J- ejjusus ' 235 



FlG. 334. Eleocharis acicularis 235 



FIG. 335. The Bulrush Zone 236 



FIG. 336. Bur Reed, Sparganium eurycarpum 237 



FIG. 337. Arrowhead, Sagitlaria latifolia 237 



FIG. 338. Wild Rice, Zizania aquatica 237 



FIG. 339. The Reed, Phragmites communis 238 



FIG. 340. Sweet Flag, Acorus Calamus 238 



FIG. 341. Painted Turtle, Chrysemys marginata 239 



FIG. 342. Snapping Turtle, Chelydra serpentina 240 



FIG. 343. Bullfrog, Rana catesbeiana 240 



FIG. 344. Pickerel Frog, Rana palustris 241 



FIG. 345. Nest of Marsh Wren . . . 242 



FIG. 346. American Bittern, Botaurus lentiginosus . . . .243 

 FIG. 347. Forked-Tail Katydid, Scudderia furcata . . . .243 



FIG. 348. Texas Katydid, S. texensis ....... 243 



FIG. 349. Carex conjuncta 244 



FIG. 350. C. cristata 244 



FIG. 351. C. lupuliformis 244 



FIG. 352. C. stricta . 244 



FIG. 353. Slough Grass, Spar Una Michauxiana 244 



FIG. 354. Blue- Joint Grass, Calamagrostis canadensis . . . 244 



FIG. 355. Fowl Meadow Grass, Glyceria nervata 244 



FIG. 356. Switch Grass, Panicum irirgatum 244 



FIG. 357. Thin Grass, Agrostis perennans . . . ... .244 



