676 



INDEX. 



Venericardia praecisa 496 



Vicia 277 



Vitis hesperia 284 



Wagneria pugnax 509 



Wee\'ils, studies of, with descriptions of new 



genera and species 461 



Weinmannia haydenii 270 



integrifolia 270 



obtusifolia 270, 295 



phenacophylla 270, 295 



Wherry, Edgar T. Notes on alunite, psilo- 



melanite, and titanite . 81 

 Two new fossil plants 

 from the Triassic of 



Pennsy 1 vania 327 



Whitfield County, Georgia, meteoric irons, 



notes on, with new analyses 447 



WiddrLngtonia linguaefolia 249, 295 



Williams, Henry Shaler. New brachiopods 

 of the genus Spirifer from the Silurian of 



Maine 73 



Wolga spinifera 528 



Xancus wilsoni 505 



Page. 



Xanthoxylon spireaefolium 284 



Xanthozonopsis vestita 314 



Xenarthra from the Plesitocene of Texas, 

 descriptions of two extinct mammals of the 



order 107 



Xenophora agglutinans 518 



conchyliophora 518 



humilis 518 



laevigata 518 



Xysticus discursans 70 



montanensis 70 



Zagromosoma americana 126 



centrolineata 125 



flavolineata 125 



interlLneata 125 



nigrolLneata 125 



sanguinea 133 



Zanthoxylon spiraea 295 



spireaefolium 295 



Zelotes atra 67 



Zizyphomyia celer 318 



Zizyphus obtusa 284, 295 



Zosteropsis rutherfordl 309.310 



