LIST OF ILLUSTRATIONS 



IN THE HIMALAYA 



MAP OF WESTERN HIMALAYA .... 



THE HARVESTING ANT AND THE CARNIVOROUS ANT 



A VALLEY IN THE HIMALAYA .... 



A MOUNTAIN VIEW IN THE HIMALAYA 



COMMON ANTS OF HAZARA .... 



EXPERIMENT WITH COMMUNICATING ANT . 



SPIDERS OF HAZARA ..... 



DIAGRAM OF THE PARTS OF A GEOMETRICAL SNARE 



LOSS OF PARALLELISM RESULTING FROM DIVISION OF ONE TURN OF 



VISCID SPIRAL IN ONE SEGMENT ...... I02 



LOSS OF PARALLELISM TIESULTING FROM DIVISION OF ONE TURN OF 



VISCID SPIRAL IN TWO SEGMENTS ...... IO3 



DIAGRAM OF REVERSAL OF SPIRAL IIO 



REVERSAL OF SPIRAL IN AN ECCENTRIC SNARE . . . .Ill 



THE HEART OF THE HIMALAYA ..... Facing I24 



THE PEAKS UNDER FRESH SNOW . . . . . . ,, 164 



CICADA {Platylomia hrevis) . . .-. . . . .212 



DRUM OF CICADA . . . . . . . . . .215 



DIAGRAM TO SHOW ESSENTIAL PARTS OF MUSICAL ORGAN OF CICADA 2l6 



THE FLYING-SQUIRREL Facing 24 1 



THE BENGAL MONKEY AND EMOTIONAL EXPRESSION IN THE 



LEOPARD. (l) CONTENTMENT „ 245 



EMOTIONAL EXPRESSION IN THE LEOPARD. (2) FEAR. (3) ANGER ,, 248 



EMOTIONAL EXPRESSION IN THE LEOPARD. (4) DISTRESS. 



(5) EAGERNESS , 252 



EMOTIONAL EXPRESSION IN THE LEOPARD. (6) ATTENTION. 



(7) AFFECTION ........... 256 



THE INDIAN PARADISE FLYCATCHER AND NEST . . . ,, 262 



THE BROWN-BACKED INDIAN ROBIN AND NEST . . . ,, 267 



xii 



