CONTENTS 



TAGE 



North Mountain 253 



Fairview 254 



Valleys 255 



Roadsides 257 



Shale Ridges 257 



Roundtop 258 



Tonoloway Ridge 261 



Sideling Valley 264 



Town Creek 265 



Cumberland Hills 268 



Cumberland 269 



Wills Mountain 269 



Summary 270 



Parr's Ridge Area 270 



Frederick Valley 271 



Hagerstown Valley 272 



Sandstone Ridges 272 



Shale Ridges 273 



THE ECOLOGICAL PLANT GEOGRAPHY OF MARYLAND, MOUN- 

 TAIN ZONE. By Forrest Shreye 275 



Introductory 275 



Slopes 27S 



Ridges 2S2 



Valleys 2S4 



Loams 284 



Sands 286 



Rocky Slopes 287 



Glades :J8S 



Swamps 289 



Bogs 290 



Conclusions 291 



PART IV. THE RELATION OF NATURAL VEGETATION TO CROP 



POSSIBILITIES. By Forrest Shreve 295 



PART V. THE AGRICULTURAL FEATURES OF MARYLAND. By 



Frederick H. Blodgett 305 



Introductory 307 



