XXX ILLUSTRATIONS IN THE TEXT 



FIG. 



310. Map of the ice masses of Victoria Land, Antarctica .... 282 



311. Sections across the inland ice and the shelf ice of Antarctica . . 283 



312. Diagram to show the nature of the fixed glacial anticyclone above 



continental glaciers ......... 284 



313. Snow deltas about the margins of a glacier tongue in Greenland . 285 



314. View of the sea ice of the Arctic region 286 



315. Map of the north polar regions, showing the area of drift ice and the 



tracks of the Jean nette and the Fram 288 



316. The shelf ice of Coats Land with surrounding pack ice ... 290 



317. Tide-water cliff on a glacier tongue from which icebergs are born . 29Q 



318. A Greenlandic iceberg after a long journey in warm latitudes . . 291 



319. Diagram showing one way in which northern icebergs are born from 



the glacier tongue . 291 



320. A northern iceberg surrounded by sea ice 292 



321. Tabular Antarctic iceberg separating from the shelf ice . 293 



322. Map of the globe, showing the areas covered by continental glaciers 



during the " ice age " 297 



323. Glaciated granite bowlder weathered out of a moraine of Permo- 



Carboniferous age, South Australia 298 



324. Map to show the glaciated and nonglaciated regions of North 



America 298 



325. Map of the glaciated and nonglaciated areas of northern Europe . 299 



326. An unstable erosion remnant characteristic of the " driftless area " . 300- 



327. Diagram showing the manner in which a continental glacier obliter- 



ates existing valleys . . . . . . . . .301 



328. Lake and marsh district in northern Wisconsin . . . . . 302 



329. Cross section in natural proportion of the latest North American 



continental glacier ......... 303 



330. Diagram showing the earlier and the later glacier records together 



upon the same limestone surface 304 



331. Map to show the outcroppings of peculiar rock types in the region 



of the Great Lakes, and some localities where "drift copper" 



has been collected 305 



332. Map of the " bowlder train " from Iron Hill, Ehode Island . . 306 



333. Shapes and approximate natural sizes of some of the diamonds from 



the Great Lakes region .''. . 307 



334. Glacial map of a portion of the Great Lakes region . . . .308 

 336. Section in coarse till 310 



336. Sketch map of portions of Michigan, Ohio, and Indiana, showing the 



distribution of moraines . 312 



337. Map of the vicinity of Devil's Lake, Wisconsin, partly covered by 



the continental glacier 313 



838. Moraine with outwash apron in front 313 



339. Fosse between an outwash plain and a moraine . . . . ,314 



340. View along an esker in southern Maine 315 



341. Outline map of moraines and eskers in Finland . 315 



