1928] 
Index 
241 
INDEX TO SUBJECTS. 
All new genera, new species and new names are printed in Small Capital 
Letters. 
.Abnormal Ants, 51 
Aboilus besobrasovce, 129 
Absitus fascia, tus, 129 
Achipteria oudemansi, 215 
Aeschna cyanea, 184 
Aleocharinid, 32 
Alcidamea producta, 100 
Amegilla smithii, 58 
Amegilla walshii, 56 
Amphizoidse, 98 
Amphizoa insolens, 98 
Andrena albicans , 62 
Andrena macrocephala, 63 
Andrena on Senecio, 62 
Andrena senecionis, 63 
Andrena seneciophila, 62 
Anaxyela gracilis, 127 
Anaxyela martynoyi, 127 
Anthemoessa abrupta, 56 
Anthemoessa bomboides, 58 
Anthicus amcenus, 230 
Anthicus cervinus, 230 
Anthophora furcata, 58 
Anthophora pilipes, 56 
Anthophora occidentalis, 233 
Anthophora urbana, 233 
Anthophora ursina, 56 
Ants, abnormal, 51 
Ants of Massachusetts, 10 
Ants, working hours, 114 
Aphiochceta dahli, 161 
Aphiochceta scalaris, 137, 160 
Aphricus calif ornicus, 145 
Aphricus luteipennis, 145 
Aphricus tenuis, 144 
Aplastus piceicollis, 142 
Aplastus productus, 143 
Aplastus scabripennis, 141 
Aristolochia clematitis, 160 
Aristolochia elegans visited by Cuban 
Phoridae, 160 
Aristolochia sipho , 161 
Argynnis carpenterii, 228 
Arthropod fauna of coniferus trees, 
217 
Ashmeadiella cactorum, 78 
Asilus vittatus, 14 
Augochlora cordicefloris , 181 
Augochlora nigrocyanea, 181 
Augochlora quiriguensis, 181 
Augochlora vesta terpsichore, 181 
Bees from Utah, 232 
Bees from flowers of Triplaris, 170 
Bee of the genus Andrena on Senecio, 
62 
Bees of the Panama Canal, 173 
Bee, pulp-making, 100 
Bee working in stone, 67 
Beetle, Mexican book, 44 
Besobrasovia, 128 
Besobrasovia latissima, 128 
Bolivian Silvanid beetle from Myrme- 
codomatia of Cordia, 167 
Book notices, 237 
Brongniartiella inconditissima, 128 
Butterflies from New England, 226 
Catasparata histrio, 130 
Catorama herbarium, 45 
Catorama mexicana, 45 
Cebrio and Plastoceridae, 139 
Cebrio speratus, 146 
Cecidomyiid of the genus Lestodiplo- 
sis, 216 
Centris inermis, 17 3 
Centris lanipes, 17 3 
Centris tarsata, 173 
Ceratina dupla, 176 
