ALPHABETICAL INDEX. 



(Jl 



PAGE 



Squirrel. Ground, new species from West- 

 ern Arizona xvii 



Stearns, Robt. E. C, instances of Muta- 

 tions in distribution of shells x 



Stejneger, L., notes on Pallas' cormorant . xvii 



Stipa spartea, fruit of xvii 



Survey, biological, of the San Erancisco 



Mt. Regions, results, etc xxiii 



Sycamore, Disease of xvi 



T. 



Trenia pectinata, some early stages in 



the life history of viii 



Taenia fimbriata, a new parasite in sheep . ix 



Tamias leucurus xvii 



Tape-worm in sheep. Taenia fimbriata . . ix 

 Taylor, Thomas, a new freezing Micro- 

 tome xvi 



Thalessa and Tremex, economy of, notes 



on xiii 



Tick, sheep, Melophagus ovinus xv 



Travels in Central Africa, notes from 



Emin Pasha ix 



Trees and shrubs. foreign, cultivated in the 



District of Columbia viii, x 



Trees, configuration of, causes of xiii 



Trees, annual ring-growth xix 



Tremex and Thalessa, notes on the econ- 

 omy of xiii 



Tricocephali. sexual differences in . . . xiii 

 Tropical fruits in the Lake Worth region . xix 

 True, F. W., changes in the Catalogues of 



American Mammals since 1877 . . viii 

 The affinities of the White Whale . . x 



Notes on the Hawaiian Bat xi 



Remarks on the Deer of Central 



America xiii 



An occurrence of Sowerby's Whale 



on the coast of New Jersev . xviii 



A skull of a female Narwhal with 



two well developed tusks xx 



Tryon, Geo. W., death of vii 



u. 



I'mbelliferce, geographical distribution 

 of xvi 



VanDeman, H. E.. the tropical fruits of 

 the Lake Worth region . xix 



Variation, fortuitous, as illustrated in the 

 genus Eupatorium xiv 



Vasey. George, foreign trees and shrubs 



PAGE 



cultivated in the District of Co- 

 lumbia viii x 



Notes on new species of North 

 American Graminece of the last 



twelve years xv 



Vedalia cardinalis, remarkable increase 



of, in California X xi 



Vole, from British Columbia, a new and 



remarkable species X vi 



Vole, or Lemming mouse, new genus and 



two new species from British America . xix 

 Vulpes macrotis v ;j 



w. 



Waite, M. B., notes on Melampsora 



hydrangea; xvii 



Notes on the seed-vessels of the Lop- 

 seed, Phryne leptostachya .... xvii 

 On a Method by which the seeds of 



Pilea pumila are ejected xxiii 



Ward, Lester F., on some characteristics 

 of the Flora of the Potomac for- 

 mation x 



The King Devil x j; 



A comprehensive type of Fossil 

 Cryptogamic life from the Fort 



Union groups x jj 



Fortuitous Variation, as illustrated 

 by the genus Eupatorium. with 



specimens x j v 



Tenth Presidential address, the 

 course of Biologic Evolu- 

 tion xxiv, 23-55 



Walcott, Charles D., Cambrian f&ssilsTrom 

 Mt. Stephens, N. W. territory of 



Canada j x 



The genus Olenellus of Hall .... xvii 

 On the genus Olenoides of Meek . . xvii 

 Descriptions of new genera and 



species of Lower Cambrian fossils . xx 

 A new genus and species of Brachio- 

 pod from the Trenton limestone . xxii 



Whale, White, affinities of x 



Whale, Sowerby's, on the coast of New 



J erse >- xviii 



Wheat, artificial pollenation of x i 



Wood, fossil, of the Yellowstone National 



Park xi 



Wood, fossil and lignites in Potomac for- 

 mation x jj 



Worms, earth, effect of rain upon . xviii 



Y 



Yellowthroat, new species of Marvland . xvii 



