Abraxes grossularise introduced into 
North America, 128. 
Acarina, Descriptions of some new, 133. 
Acrobasis kearfottella, n. sp., 34. 
Alcidamea alboscopatum, 160; simplex, 
160. ^_ 
Amphicyrta simplicipes, 89. 
Ammophila, Sleeping habits of, 13. 
Anasa repetita, n. sp., 11. 
Andronicus cylindricus, 160. 
Anopheles barberi, 105. 
Anthemois addenda, 152; infragilis, 152. 
Anthidium angelarum, n. sp., 164; 
collectum, 163; tricuspidum, 163. 
Ants, Swarming of, 4; Classification of, 
131. 
Arachnida from Cocos Island, 20; 
Descriptions of new North American, 
94. 
Arctopsyche japonica, n. sp., 111. 
Argyrodes pluto, n. sp., 95. 
Ashmead, Wm. H., Communications by, 
3, 24, 131. 
.^-"Attelabus bipustulatus, Preservation of 
work of, 131. 
Avicularia calif or nica, n. sp., 95. 
^- Axinocerus americana, 10. 
Banks, Nathan: Arachnids from Cocos 
Island, 20; An alleged parasitic 
tyroglyphid, 40; Descriptions of new 
American spiders, 94; New Tricho- 
ptera from Japan, 106; Descriptions 
of some new mites, 133; Shorter 
communications, 12, 13. 
Barber, H. S.: Note on Thaumatoglossa 
(Axinocerus) americana Jayne, 10; 
Illustrations of an undetermined 
coleopterous larva, 117; The spread of 
>_ Sphgeridium scarabseoides Linnaeus, 
f27;Note on Phengodes in the vicin- 
ity of Washington, D.C. 196 -Shorter 
communications, 2, 25. 
Barberia, n. gen., 39; affinitella, n. sp., 39. 
Bathyphantes pacifica, n. sp., 98. 
Benton, Frank, Communications by, 12, 
129. 
Borneo, Insects from Mt. Kina-Balu, 102. 
Bothrideres, Parasitic habit of larva, 26. 
Brachycentrus vernalis, n. sp., 108. 
Brachynemurus irregularis, n. sp., 186. 
British Columbia, Dragonflies from, 16. 
Burke, H. E., Communication by, 88. 
Cacotherapia flexilinealis, n. sp., 30. 
Cacozelia alboplagialis. n. sp., 30. 
Caeculus clavatus, n. sp., 136. 
Carpoglyphus alienus, n. sp., 42. 
Castnia licus, Larva of, 83. 
Catogenus rufus, Parasitic habit of, 90. 
Caucasian honey-bee, 129. 
Caudell, A. N.: Kirby's catalogue of 
Orthoptera, 84 ; The species of the genus 
Chimarocephala and descriptions of 
two new species of Calif ornian Orthop- 
tera, 123; Shorter communications, 
12,13. 
Cecidobia, n. gen., 141; salicicola, n. sp., 
142. 
Celsenopsis americana, n. sp., 137. 
Celonites abbreviatus, 25. 
Cenchrus echinatus, 5; tribuloides, 9. 
Central America and West Indies, New 
Culicidae from, 182. 
Centrosmia bucephala, 157; tarsata, 158. 
Ceratocombidae A new genus and species 
from the United States, 192. 
Ceratopogon, Larvae of, 130; guttipenms, 
105. 
Chalcosmia chalybea, 156. 
Cheilosia alaskensis, 89; hoodiana, 89. 
Chelostoma (?) calif or nicum, 161. 
Chelynia nitida, 162. 
Cheyletes ferox, n. sp., 134; pyriformis, 
n. sp., 135. 
Chimarocephala, Species of, 123. 
Chittenden, F. H.: On the species of 
Sphenophorus related to pertinax 
Ol., with descriptions of other forms, 
50 ; New species of Sphenophorus with 
notes on described forms, 166. 
Cicada septendecim, 132. 
Cockerel], T, D. A.: Notes on Eulecanium 
folsomi King, 129. 
Cocos Island, Arachnids from, 20. 
Coleoptera from Plummers Island, Md., 
196. 
Coleopterous larva, An unknown, 117. 
Cook, O. F. : Communication by, 89. 
Coquillett, D. W.: Annual address of the 
President for 1904: The Linnaean 
genera of Diptera, 66; New Culicidae 
from the West Indies and Central 
America, 182. 
Coquillettidia, n. gen., 47. 
Corethrid larvae, 13; Table of, 15. 
Corethridae, n. fam., 13. 
