182 



Biological Society of Washington. 



Page 



Sudworth, George B. : Some controversial 

 points in botanical nomenclature xxii 



Tseniaovilla xx 



Texas, Influence of cross timbers on fauna 



of. xxiii 



Thinnfeldia polymorph Lx., sp 153 



Van Deman, H. E. : Variations in the fruit 



of Hicoria pecan xix 



Vasey, George : Report on the Botanical 



Congress at Genoa xxii 



Some new grasses xxiii 



W 



Walchia, A new, from New Mexico xxiii 



Walcott, Charles D. : Note on Lower Cam- 

 brian fossils from Cohassett, Mass 155 



Wallace's fallacies, Remarks respecting 49 



Tage 

 Ward, Lester F. : The biological basis of 



psychology xix 



Discovery of fossil plants in the Poto- 

 mac formation at the new reservoir, 

 Washington, D. C., and at Mount Ver- 



non xxii 



Discovery of a second specimen of Saul's 



oak, Quercus prinos X alba xxii 



Frost freaks of the Dittany xxiv 



Washington, D. C., Additions to the flora of.. 105 

 Webster, F. M. : Some entomological factors 



in the problem of country tences xxiii 



Weevils, Pea and bean xxii 



White, David : A new walchia from New 

 Mexico ... xxiii 



Xewomys Merriam, gen. nov 160 



Xenomys iitlsout Merriam, sp. nov 101 



Yuccas, Distribution of tree 

 Yucca moth, Bogus 



xix 



96 



