74 



ETOr.OdlCAL SOCIETY OF WASHINGTON. 



PAGE 



Cotnmittees for 1S91, announcement 



of xii-xiii 



Conscious effort, relations of 3 



Cope, K. D 60, 61 



C(3;<//<'><'//a, a new genus of Compositse . . ix 



Council iii 



Co%'ille, 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 



Plantaruni 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 moultiugs of the 



cattle tick (Ixodes bovis) 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 



Paleontological 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 hone 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 



DenWWon oi Desmognathus, notes on . . xvi 

 Desmognathus, notes on dentition of . . . xvi 



PAGE 



Dewey, L A., election of xv 



Dicentta ciicullaria, 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 (Ordovician) 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 IJois, Raymond 25 



Dwarfs, notes on xvi 



Dynamic evolutionists 2 



Dynamic influences in evolution, Dall on vi. i 

 Dynamic variations limited 4,5 



E. 



Echinococcus in swine xviii 



EchiHorhynrliiis gigas. development of . xvii 



Edson, J. R., election of viii 



Effort, conscious, relations of .3 



Egleston, N. H.— The temperature of 



trees xvii 



Eimer, Theodor 57 



Election of Officers xii 



Embrj'oofchick with two protovertebrae . xiv 

 Entomology, economic, authorship of 



bibliography of ix 



Environment .... 54 



Environment, its relation to the organism . 2 

 Environment, selection limited hydjiiain- 



ics of 6, 9 



Equilibration, direct 24, 53 



Equilibration, iii<iirect 53 



Equus beds of Oregon, collection of fossil 



birds from xiv 



Evermann, B. W., election of xvii 



Evolution, on dynamic influences in . . vi, i 

 Evolution, relation of life history of 



micro-organisms to viii 



Evolutionists, dynamic 2 



