AILANTUS silk-worm. See Moth. 



"Albino" flowers, 176. 



Alder, leaf-roller of, 137, 176. 



Alder, white. See Clethra. 



Allen, Grant, quoted, 148. 



Alpine flowers, 127; Alpine willow, 127; Alpine 



insects, 121, 128, 143, 147, 148. 

 Amber, insects in, 124. 

 Andromeda (A. ligustrina), 161. 

 Anemone nemorosa, 170, 173. 

 Anemone, rue (Thalictrum atutnoturides), 161. 

 Apple, 169. 



Apple-tree moth, botanical selection of, 141. 

 Arbutus. See Trailing Arbutus. 

 Archippus butterfly (Danais), a botanical expert, 



142. See Butterfly. 

 Arethusa (A. bitlbosa), 162. 

 Arnica, 17. 



Arum, dragon, 160; insect specialist of, 140. 

 Asclepias. See Milk-weed. 

 Ashes, plants growing in, 158. 

 Asterias butterfly, 131. 

 Asters, 166 ; at night, 25 ; number of species, 



184. 



Audubon, 79; quoted, 83, 86, 87. 

 Autumn color of foliage, 174. 

 Azalea: Alpen, 184; " apples" of, 161 ; Pinxter, 



169; smooth, 169; swamp (A. viscosa),?,!, 33, 



49, 161, 169. 



BACHELOR'S-BUTTONS (Centauria) at night, 19. 

 Balsams, leaves of, at night, 19. 

 Baltimore oriole. See Oriole. 

 Basswood. See Linden. 



Bat, 53, 56. 



Bay (Myrica gale], 164. 



Bean family of plants, distinguished by butter- 

 flies, 133, 135. 



Bean leaves at night, 18. 



Bedstraw, 169. 



Beecher, Henry Ward, quoted, 69, 74. 



Bee-marten. See King-bird. 



Bees and blossoms, 29, 46. 



Beetle: Fragrant, 50 ; leaf-rolling of hazel and 

 alder, 135; of dog-bane, 137; pea-weevil, 135; 

 Swiss, 137. 



Bellwort (Uvularia), 161. 



Bilberries, 184. 



Bird songs, 61, 87; nocturnal, 54. 



Bird-foot violet. See Violet. 



Birds, albino, 176. 



Birds, nocturnal, 52-56, 81-83. 



Birds'-nests, 91-116; singular materials of, 97. 



Bittern (Botanriis lentiginosus), 56. 



Blackberry, freak of, 177, 



Blackbird, cow. See Cow-bird. 



Blackbird, red-winged. See Starling. 



Black-eyed Susan. See Cone-flower. 



Blazing-star (Chain&liriutn luteuni), 162, 172. 



Bloodroot (Sangiiinaria Canadensis), 161, 170, 



173- 



Bluebells. See Harebell. 



" Blue-bottles" (Centaured) flowers at night, 19. 

 Blueberry, 169, 184. 

 Bluebird, 64, 71, 97, 112; albino, 176. 

 Blue-eyed grass (Sisyrinchinm], 159. 

 Blueflag (Iris versicolor), abnormal variety of, 177; 



albino of, 176. 



