CONTENTS. Vll 



etation Cold Water Lake Simcoe Holland landing St. Albans 

 Country on the Toronto road Toronto Lockport Remarkable drift 

 groove Home 123133 



II. NATURAL HISTORY. 

 I. 



THE NORTHERN VEGETATION COMPARED WITH THAT OF THE JURA AND THE ALPS. 



Geographical distribution ; animals and plants not scattered at ran- 

 dom over the face of the earth; causes of this; temperature, 137. 

 Moisture; light; atmospheric pressure, 138. Evinced in the fragrance 

 of Alpine flowers, 139. Electricity; geographical features,- 140, 141. 

 But physical agents not originally causative ; peculiarities of North 

 America ; latitude, 142. Limits of these agencies, 144. Evidences of 

 a Supreme Intelligence, 145. Collparison of vegetation of temperate 

 regions, 146, 147. Of Alpine and Northern vegetation, 148-9. Of 

 recent and fossil species ; coincidence of European tertiary fossils with 

 living species in America, 150-2 137-152 



II. 



OBSERVATIONS ON THE VEGETATION OF THE NORTHERN SHORES OF LAKE SUPERIOR. 



Agreement of vegetation of Lake Superior with that of the higher 

 tracts of the Jura, 153. Parallel lists of the plants of these regions, 

 154-170. Enumeration of lichens collected at Lake Superior, 170-4. 

 Parallel lists of Lake Superior plants in general and their analogues in 

 Europe, 175-9. Comparison of the vegetation of North America in 

 general with that of Switzerland, 179-188. List of European plants 

 observed along several lines of railroad, 188-90 153-190 



III. 



CLASSIFICATION OF ANIMALS FROM EMBRYONIC AND PALEOZOIC DATA. 



Internal structure an insufficient basis for classification, 191-2. 

 Embryonic features of various animals, as denoting a respectively inferior 

 rank, 193-200 191-200 



IV. 



GENERAL REMARKS UPON THE COLEOPTERA OF LAKE SUPERIOR. 

 BY DE. JOHN L. LECONTE. 



Geographical distribution, 201-2. List of species collected, 203-239. 

 Observations on the characters of the insect fauna of Lake Superior, 

 239-241. Account of the larva and pupa of a coleopterous insect from 

 Niagara Falls, referred by Dekay to the Crustaceans, 241-2 201-242 



