74 



BIOLOGICAL SOCIETY OF WASHINGTON. 



PAGE 



Committees for 1891, announcement 



of xii-xiii 



Conscious effort, relations of 3 



Cope, E. D 60, 61 



Coulterella, a new genus of Compositae . . ix 



Council iii 



Coville, F. V. The new arrangement of 

 genera in the Herbarium of the De 

 partment of Agriculture v 



Fruiting of the Ginkgo at the Depart 

 ment of Agriculture x 



Food plants of the Indians of the Death 



Valley region xvii 



A review of Kuutze's Revisio Generum 



Plantarum xix 



Cretaceous mammals, review of the dis 

 covery of xiii 



Crustacean, ostracod, new genus and 



species of, from Lower Cambrian . . . . v 

 Cuckoo, Asiatic, occurrence of the, on the 



Pribylov Islands xi 



Cuckoo stomachs and their contents . xvii 



Cunningham, J. T 57 



Curtice, Cooper. The moultings of the 



cattle tick (Ixodes bovts) v 



A preliminary study of ticks in the 



United States '.... xi 



Some little known worms in cattle . . . xiii 

 Practical value of investigating parasites 



of live stock xv 



Cuvier 19 



Cyclopteroidea ix 



Cypress knees, what are xiv 



D. 



Dall, W. H 62 



Dall, W. H. On dynamic influences in 



evolution vi, i 



Original drawings of the fur seal and 



Steller's sea cow vii 



Paleoutological notes from the north 

 west coast x 



On the topography of Florida with 

 reference to its bearing on fossil 



faunas xi 



Age of the Peace Creek bone beds in 



Florida xiv 



Darwin, Charles . . 



12, 13, 18, 20, 22, 23, 26, 31, 45, 53, 61, 65, 66 



Darwin, Erasmus 13, 19, 66 



Darwinism 12, 19 



Date palms, recent introduction of .... xv 

 DeCandolle, Alphonse, on the transmis 

 sion of acquired characters xix 



De Maillet 13 



Dentition of Desmognathus, notes on . . xvi 

 Desmognathus, notes on dentition of ... xvi 



PAGE 



Dewey, L, A., election of xv 



Dicentra cucullaria, vegetative propaga 

 tion of x 



Dichromatism, remarks on xix 



Direct equilibration 24. 53 



Discovery of cretaceous mammals, review 



of xiii 



Discovery of vertebrate life in Lower 



Silurian (Ordoviciau) strata xiii 



Discoveries, recent, of Potomac fossil 



plants near Washington xix 



Disease, foot, of captive birds x 



Disease, recent bacteriological progress 



in prevention and cure of xv 



Diseases, plant, recent progress in the 



study of xvi 



Distribution of animal and vegetable life xiv 

 Distribution of certain mammals, birds 



and plants on the Pribylov Islands . . . xvi 

 Distribution of fishes by underground 



water courses xvi 



Distribution of species, geographical, 



some early views of viii 



Drawings, original, of the fur seal and 



Steller's sea cow vii 



Du Bois, Raymond 25 



Dwarfs, notes on xvi 



Dynamic evolutionists 2 



Dynamic influences in evolution, Dall on vi. i 

 Dynamic variations limited 4, 5 



E. 



j Echinococcus in swine xviii 



Echinorhvnchus gigas, development of .xvii 



' Edson, J. R., election of viii 



I Effort, conscious, relations of 3 



Egleston, N. H. The temperature of 



trees xvii 



I Eimer, Theodor 57 



I Election of Officers xii 



I Embryo of chick with two protovert ebrse .xiv 

 { Entomology, economic, authorship of 



bibliography of ix 



Environment .... 54 



Environment, its relation to the organism . 2 

 Environment, selection limited by dynam 

 ics of 6, 9 



Equilibration, direct 24, 53 



Equilibration , indirect 53 



Equus beds of Oregon, collection of fossil 



birds from xiv 



; Evermann, B. W., ejection of xvii 



Evolution, on dynamic influences in . . vi, i 

 Evolution, relation of life history of 



micro-orgatiisms to viii 



Evolutionists, dynamic 2 



