INDEX 



New names are printed in heavy type. 



Abramis crysoleucas 150 



Acantharchus pomotis .. . . . 158 



Achillea eradiata 105 



Achirus fasciatus 166 



Achorutes armatus 10, 17 



Acipenser brevirostrum 147 



sturio 146 



Acris gryllus 135 



Agkistrodon mokasen 137 



Albula vulpes 147 



Alopius vulpinus 143 



Alosa sapidissima 148 



AJutera punctata 163 



schcepfii 163 



Amanites, sp 16 



Ambloplites rupestris 169 



Ambystoma maculatum 130 



opacum 130 



Ameiurus catus 1 49 



natalis 149 



nebulosus 149 



Amiatus calvus 1 68 



Ammodytes americanus 167 



Anchovia brownii 148 



duodecim 1 48 



eurystole 148 



mitchilli 1 48 



Anguilla rostrata 152 



Anhinga anhinga 182 



Anolis carolinensis 136 



Antennarius scaber 168 



Anthias tenuis 60 



Anthreptes bornensis 55 



paraguse 55 



Anuraphis longicauda 93 



Apeltes quadracus 156 



Aphredoderus sayanus 156 



Aphrophora 172 



parallela 172 



quadrinotata 172 



saratogensis 172 



Aquila chrysaetos 182 



Arabis macella 10 



Aradus similis 10, II, 14 



Archosargus probatocephalus 161 



Arenophilus bipuncticeps 97 



Aristolochia malacophylla 65 



Armillaria, sp 16 



Arnica andersonii 106 



aphanactis 105 



myriadenia 106 



Arrenga cyanea 84 



glaucina 84 



Aspidophoroides monopterygius 165 



Aster misellus 105 



Astroscopus guttatus 1 66 



Atopetholus angelus 101 



Attagenus piceus 6, 15 



B 



Baeocera punctipennis 5, 16 



Bagre marinus 149 



Bairdiella chrysura 161 



Baker, A. C. Anuraphis longicauda, 

 a New Aphid Injurious to Plum 

 .Trees 93-96 



Balistes carolinensis 163 



vetula 163 



Bartsch, P. Note on the Need of 

 Supplying Water for Birds in 

 Cities x 



Our Poison Gas Detector, 



and how it was Discovered x 



Notes on Injury by a new 



Teredo in San Francisco Bay, 

 and on recently Differentiated 

 Species of Land Shells of the 

 Genus Epiphragmorpha in Cali- 

 fornia, and on the Odor of 

 Honey-eating Birds in the 

 Hawaiian Islands xiii 



Note on Erratic Occurrence 



of Mosquitoes in Florida xiv 



A New Shipworm 69-70 



I irtsch, P. See Bartsch and Hitch- 

 cock. 



Bartsch, P., and A. S. Hitchcock. 

 Notes upon a New Teredo in 

 ~*utch Guiana infesting Green 

 1 >artwood xi 



Bermua^vflthys 62 



subfurcatus 62 



Blake, S. F. Nine New Plants of 



the Genus Stylosanthes 45-54 



Five New Species of 



Cedrela 107-112 



Two New Salvias from 



Guatemala 113-116 



New Trees and Shrubs from 



Mexico and Guatemala 1 1 7- 1 20 



Blennius foxi 166 



Blepharis crinitus 157 



Boleichthys f usif ormis 159 



Boleosoma olmstedi 159 



Boletobius cinctus 5, 13, 17 



Boletotherus bifurcus. . . .9, 12, 13, 14, 16 



Brachycis brevicollis 8, 14 



Brachyspiza argent ina 71 



Bradley, J. C. Reply regarding 



Mosquitoes on the Amazon .... xiv 

 Plumarius, an Aberrant 



Genus of Hymenoptera xiv 



Brevoortia tyrannus 148 



Bufo americanus 135 



fowleri 135 



Caenocara oculata 7, 17 



Callipus lactarius 97 



Capparis hexandr a 117 



Caranx crysos 157 



hippos 157 



latus 157 



Carassius auratus 169 



Carcharias taurus 143 



Carcharodon carcharias 144 



Carphophis amoena 136 



34 — Proc. Biol. Soc. Wash., Vol. 33, 1920. 



(187) 



