SUMMARY OF THE CONTENTS OF VOL. II. 329 



trasts of these forms of plauts. Importance of the physiognomic 

 study of plants to the landscape painter . . 2931, 200203 



Scientific Elucidations and Additions -p. 33 to p. 210. 



Organic forms, animal and vegetable, in the highest mountain regions 

 adjacent to the limit of perpetual snow in the Andes and the Alps ; 

 insects carried up involuntarily by ascending currents of air. The 

 Hypudaeus nivalis of the Swiss Alps. On the true elevation above 

 the sea reached by the Chinchilla laniger in Chili . . 33 35 



Lecidias and Parmelias on rocks not entirely covered with snow ; 

 some phsenogamous plants also wander in the Cordilleras beyond 

 the limits of perpetual snow, as the Saxifraga boussingaulti, to 

 15770 English feet above the level of the sea. Groups of phseno- 

 gamous plants extend in the Andes to 13700 and 14920 English 

 feet above the sea ; species of Culcitium, Espeletia, and Ranunculus ; 

 small umbelliferous plants resembling mosses in appearance ; 

 Myrrhis andicola and Fragosa arctioides. . . .35, 36 



Measurement of the height of Chimborazo, and etymology of the 

 name 3639 



On the greatest absolute heights which have yet been reached by any 

 human beings in either continent; in the Cordilleras and the 

 Himalaya, on the Chimborazo and the Tarhigang . . .40 



Habits and haunts of the Condor (Cuntur in the Inca language), and 

 singular mode of capturing these powerful birds in an enclosure 

 fenced by palisades 40 44 



'Useful services rendered by the Gallinazos (Cathartes urubu and C. 

 aura) in purifying the air in the neighbourhood of human habita- 

 tions ; these birds sometimes tamed . . . .44,45 



