224 



Th<: Biological Society of Washington, 



U 



Ulvaria subbifurcata 90 



CJniola paniculata 4" 



Upland plover 23 



[Tranoseopus soaber 91 



1'ta nevadensis 27 



stansburiana 27 



Utricularia gibba 50 



macrorhyncha 50 



oligosperma 50 



V 



Vaccinium myrsinites 49 



Vallisneria - 1 > i r; 1 1 i s 41 



Van Deman, II. E. Exhibition of 

 Specimens of the "Delicious'' 



Apple xi 



Verbena urticaefolia 49 



Vesper sparrow 22 



Vespertilio nebrodensis 80 



noctula 80 



sicula 80 



Vicia acutifolia 47 



Vitis rufotomentosa 47 



W 



Warbling vireo 24 



Warren, Edward K. Additional Noti- 

 on the Distribution of Colorado 



Mammals 9-12 



Dichromatism in Neotoma mex- 



irana fallax from Costilla County, 



Colorado 35-38 



Whippoorwill 23 



White-breasted nuthatch 25 



White-eyed vireo 23 



White-throated sparrow 22 



Wilder, Burt G. The Brain ;is a Guide 

 to the Affinities of Vertebrates . . viii 



Wilhigbaeya scandens 50 



Wilson snipe 22 



Wilson thrush 24 



Wilson warbler 25 



Winter wren 25 



Woodcock 22 



Wood duck 25 



Wood pewee 24 



Wood thrush 23 



Worm-eating warbler 24 



X 



Xenicopsis striolatus 173 



Xenops neglectus 173 



Xolisma fruticosa is 



Xyris arenicola 44 



iridifolia 44 



Y 



Yellow-bellied flycatcher 25 



sapsucker 25 



Yellow-hilled cuckoo ■_'"> 



Yellow palm warbler 23 



Yellow-throated vireo 23 



warbler 23 



Yellow warbler 23 



Yucca aloifolia 14 



recurvifolia 44 



Z 



Zamenis florulentus 147 



Zannichellia palustris 41 



Zapus australis 132 



Zenobia pulverulenta 48 



Zizania aquatica 12 



Zostera marina 41 



Zygomotra coniata 178, 180 



Zygothrips harti 162 



