INDEX. 



Acer pseudoplatanus, 151 

 Achillea millefolium, 115 

 Acmaeops longicornis, 63 

 Aconitum, 18, 90, 91, 93, 241 



columbianum, 15, 18, 111 



lycoctonum, 16 



napellus, 16 

 Agrostis, 150 

 Ajuga, 131 



Allium recurvatum, 106, 137 

 Althea rosea, 137, 161, 188 

 Amarantus, 196, 241 

 Ammophila, 221 

 Ampelopsis, 146, 168 

 Anchusa, 162, 164, 193 

 Andrena, 101, 104, 134, 181 



crataegi, 27, 28, 30, 31, 37, 79, 97, 105, 106, 

 109 



madronitens, 33, 35, 39, 46, 62, 65, 105 



vetula, 175 



vicina, 29, 33, 65, 69, 70, 71 

 Anemone, 130 



japonica, 149 

 Angelica, 165 

 Anoda triloba, 187 

 Anthidium, 131, 147, 151, 153, 154, 157, 181 



manicatum, 155, 239 

 Anthophora acervorum, 176 



pilipes, 243 



simillima, 34, 40, 68, 74, 77, 106, 109, 136, 

 155, 181 

 Anthoxanthum, 150 

 Antirrhinum, 131 



majus, 147, 148, 170, 184 

 Apis mellifica, 27, 28, 30, 31, 32, 33, 39, 40, 46, 

 52, 57, 58, 60, 61, 62, 69, 74, 75, 78, 89, 

 93, 97, 104, 106, 109, 114, 131, 134, 136, 

 148, 149, 150, 153, 155, 157, 160, 161, 162, 

 164, 165, 179, 180, 181, 183, 244 

 Aporus fasciatus, 221 



Aquilegia coerulea, 100, 101, 105, 106, 111 

 Arabis, 136 



Argemone platyceras, 217 

 Argynnis atlantis, 46, 79, 80, 89, 91, 119, 181 

 Asparagus, 138 

 Asphodius, 226 

 Aster, 80, 109, 185 



bigelovi, 85, 106, 115 

 Aucuba, 137 



Bembex labia tus, 221, 222 



mori, 225 

 Bombus, 62 



appositus, 88, 89, 91, 119 



bifarius, 15, 16, 17, 18, 20, 21, 22, 33, 35, 39, 

 41, 44, 46, 49, 58, 66, 73, 74, 79, 90, 92, 

 116, 119, 134 



californicus, 40 



edwardsi, 19, 22, 23, 24, 25, 33, 62, 76 



flavifrons, 33 



hortorum, 158 



hunti, 119 



hypnorum, 158 



Bombus — Continued. 



juxtus, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 

 26, 29, 30, 34, 36, 37, 38, 39, 41, 43, 44, 45, 

 46, 48, 49, 51, 52, 53, 58, 59, 61, 62, 63, 

 66, 70, 73, 75, 76, 77, 78, 79, 88, 89, 90, 

 91, 92, 93, 101, 105, 110, 116, 119, 134, 

 241 

 lapidarius, 132, 158 

 morrisoni, 23, 29, 76, 77, SO, 91 

 muscorum, 132, 147, 158 

 occidentalis, 30, 57, 91, 105, 119 

 pennsylvanicus, 79 

 pratorum, 141 

 proximus, 24, 25, 26, 31, 33, 35, 36, 37, 39, 



46, 76, 77, 79, 80, 134 

 silvarum, 132 



terrestris, 132, 141, 147, 149, 158 

 terricola, 194 

 Bombylius fimbriatus, 175, 182 



fuliginosus, 205, 206 

 Borrago, 159, 175 



officinalis, 175 

 Brachypodium, 150 

 Brassica, 173 

 Bromus, 150 

 Bryonia dioeca, 138, 187 



Calceolaria, 131 



Calliphora, 156 



Callosamia promethea, 159 



Calluna, 131 



Calochortus gunnisoni, 115 



Caltha, 131 



Campanula, 61, 62, 92, 106, 115, 240 



Camponotus, 229 



Carabus, 230 



Carex, 150 



Castilleia, 64 



affinis, 64 



linarifolia, 64 



niiniata, 106, 109 

 Celerio lineata, 55 

 Centaurea, 130, 133, 169 



cyanus, 148, 162, 170, 171, 184 

 Cerceris, 221 



Chalicodoma, 218, 219, 220 

 Chamaenerium, 46, 48, 54, 57, 58, 78, 81, 85, 

 89, 93, 98, 99, 101, 105, 110, 111, 114, 115, 

 116, 119, 239, 241 

 Chenopodium album, 150 

 Chrysanthemum, 176, 186 



leueanthemum, 178 

 Cirsium oleraceum, 133 



palustre, 133 

 Cistus, 176 



Clematis jackmanni, 165, 196 

 Cleome serrulata, 95, 98, 99, 101, 104 

 Clisodon terminalis, 36, 38, 58, 68, 69, 70, 71, 



72, 75, 81, 88, 89, 91, 119, 134 

 Coelioxys, 40 

 Convolvulus, 136 



sepium, 149, 165 

 Corylus avellana, 150 



269 



