IND'EX 



1103 



Draper, J. W. 422; R. L. 115 



Dreyer, Fr. 671, 682, 707, 868, 870 



Driesch, Hans 5, 60, 287, 483, 490, 602 



Dromia 441 



Drops 59, 467, 850, 946 



Drosophila 155, 231 



Drzwina, Anna 245 



Duarte, A. J. 164 



Du Bois Reymond, Emil 1, 189, 352, 



444 

 Duckweed 263 

 Duclaux, J. 254 

 Dudich, E. 209 

 Duerden, J. E. 654, 749 

 Dujardin, F. 17, 18, 415, 854 

 Duke-Elder, 8ir W. S. 304 

 Du Monceau, Duhamel 325 

 Dumortier, B. 312 

 Dunan, Charles 9 

 Duncan, P. Martin 621 

 Duncker, G. 199, 819 

 Dupres, Athanase 446 

 Durbin, Marion L. 271 

 Diirer, Albrecht 83, 89, 190, 372, 1053 

 Duthie, E. S. 546 

 Dutrochet, R. J. H. 361, 888 

 Dwight, T. 979, 1081 

 Dyar, H. J. 164 

 Dye, W. D. 510 



Earwig, dimorphism in 212 



Ebner, V. von 679, 979 



Echinoderm larvae 626 



Echinus 229, 602, 946 



Ectoplasm 359 



Edgerton, H. E. 390 



Edgeworth, F. H. 76 



Eel, growth of 169, 170 



Efficiency, index of 153 



Eggs of birds 934 



Eidmann, W. 264 



Eiffel tower 29, 961, 997 



Eimer, Th. 868 



Einstein, Albert 74, 76 



P^lasmotherium 905 



Elastic curve 374 



Elderton, Sir W. Palin 90, 98 



Elephant 203, 900, 905, 1004 



Eleutheria 619 



Elk, antlers of 892 



EllipsoHthes 1038 



Ellis, M. M. 276; R. Leslie 5, 123, 



532, 927 

 Elodea 509 

 Elsasser, Th. 55 

 Emarginula 815 

 Emmel, V. E. 275 

 Empedocles 12 

 Enchelys 257 

 Enestrom, G. 566 



Engelmann, T. VV. 368 



Enriques, Paolo 4, 61, 93, 970, 987 



Entelechy 5, 1020 



Entosolenia 682 



Entrophy 1 1 



Enzyme 264 



Eohippus 1077 



Epeira 386 



Ephyra 205 



Epicurus 6, 76 



Epidermis 493 



Epilobium, pollen of 631 



Epithelium 507 



Equiangular spiral 748, etc. 



Equisetum 460, 742 



Erica 631 



Eriocheir 250 



Errera, Leo 53, 64, 222, 363, 482, 568 



Erythrotrichia 580, 623 



Estheria 828 



Ethmosphaera 708, 710 



Euastrum 364 



Eucharis 624 



EucUd 759 



Euglypha 316 



Eulaha 664 



Euler, Leonard 4, 27, 250, 356, 529, 



609, 732 

 Eunicea, spicules of 657 

 Euphorbia 554 

 Euplectella 698 

 Euryale 61 

 Euryhaline 423 

 Eurypterus 517 

 Eustomias 423 

 Evelyn, John 935 

 Ewart, A. J. 29, 449 

 Excess and defect 1035 

 Exner, Sigraund 74 



Fabre, J. H. 93, 1097 



Facial angle 1055 



Fairy.flies 47 



Faraday, Michael 286, 292, 297, 510, 



6'61, 719 

 Farr, Wm. 155 

 Farrea 689 

 Farrer, Enoch 965 

 Faure-Fremiet, E. 108, 232 

 Favaro, A. 774 

 Favosites 512 

 Fechner, G. T. 936, 1027 

 Fedorow, E. S. von 348, 552, 662, 7.34 

 Fehlmg, H. 246 

 Ferguson, A. 946 

 Fermat Pierre de 4, 356 

 Fessard and Laufer 90, 98 

 Festuca 507 

 Fezzan worms 251 

 Fibonacci 923 



