INDEX 



New names are printed in heavy type 



A 



Aciculina demissa 9 



Actpcopyramis 6, 7 



AfjathiiVirgo . 7 



Alpheidtc 172 



Alpheus 170 



Amathis 7 



Aniaura Candida 13 



Ames, Oakes. Additions to the orchid 

 flora of Florida 115-1 IS 



Three new orchid species . llH-120 



Amonra angnliferens 10 



Annuilla caeca I'-'l 



Animals at the St I. onis Exposition, A. 



B. Bakfr x 



Arabis pedicellata 91 



Arrenieiiops chiapensis 152 



Asmunda 9 



Aspen tree, scars on viii. x 



Asplcninm andrewsii 174 



Astaciis astacns 170 



Aster andrewsii 179 



Atriplex braeteosa 99 



deciimbens 99 



joaquinana 99 



matamorensis 99 



microcarpa 99 



oppnsitilblia 99 



pacifica 99 



serenana 99 



spicata 99 



watsoni 99 



Autogamy, maintenance of 88 



B 



Bailey, V. A simple metliod of pre- 

 serving tracks ix 



Baiomvs ... .... . 53, 76 



Baker, A B. The exhibit of living 

 animals at the St. I.oins exposition x 



Animals recently received by 



the National Zoological Park frorh 

 .\bvssinia and South America . . xi 



Baldra 9 



archeri ... 9, 15 



Ball, f '. K Exhibition of Lnmium am- 

 plexicaiile, showing cleistogamous 

 flowers ix 



Bangs, Outram. Two new stibspecies of 

 tropical American tyrant birds 113-114 



.\ correction of Barrow's record 



of Cuccpzus pumtlus from Concep- 

 cion del I'rugnay ... 1 65 



On a supposed continental spec- 

 imen of .sVj/e»odoH ... . . 166 



Barbour. Thos. A New Batrachian 

 from Sarawak, Borneo . . .51-52 



Bartsch, P Sunorella wolcottiana — a 

 correction 101 



36 — Proc. Biol. Soc. Wash 



Bartsch, P. and Dall, W. H. Synopsis 

 of the genera, subgenera and sec- 

 tions of the family Pyramidellidse 1-16 

 Begonia, partlienogenesis in .... viii 



Balsa 10 



Bird music viii, x 



Blue crab, natural history of .... viii 



Brachystomia 13 



Bush morning-glory ix 



C 



Callolongchaeus . . 5 



Cambarus uhleri 167 



Cancer 170 



Canis goldmani 157 



Careliopsis 8 



styliformis 8 



Caribou of Alaska viii 



Castilleja exilis 100 



stricta 100 



Chemnitzia 7 



communis 11 



turrita 9 



Chesnut, V. K. Death Gulch of the 



Yellowstone Park vii 



Chrysallida 11 



casta 11 



clausiliformis . ... ... 14 



convexa 10 



lacunata 11 



photis 11 



Cingulina 8 



circinata • 8 



Coccyzus cinereus 165 



pumilus 165 



Cockerell, T. D. A. Notes on Tetraneu- 



ris litiearijolia 111-112 



Colinus insulanus 168 



Cook, O. F. An exogenous palm from 

 Guatemala .... . . vii 



Natural selection in kinetic ev- 

 olution . viii 



The Vegetative vigor of hy- 

 brids and mutations 83-90 



Cormorants, fishing with xi 



Corystes 171 



Corystidse 172 



Cossmanica 6 



Coville. F. V. Desert plants as a source 



of drinking water vii 



Crago . 170 



vulgaris 170 



Cragonidse 172 



Crangon 170 



Crangonidse 172 



Crassulacpse, revision of viii 



Cratai'gus cerronis 176 



coloradensis . . 175 



Cross-fertilization 88 



Crossing, stimulation of growth by . . 86 



Vol.. XVII, 1904. (181) 



