1 150 



INDEX 



EAR 



E 



EPI 



Earth-stresses, 1077 

 Earwig. See Forficula 

 Eccremocarpus scaber, winged seeds of, 



724 

 Echinoderm larvae, collecting, 900 ; 



preparing, 900 ; mounting, 900 



skeletons in mud of Levant, 1085 

 ECHINODEBMATA, larvae of, collecting, 



529 



884-903 ; skeleton of, 884, 891, 892, 

 894; spines of, 885-889, 891; pedi- 

 cellarise of, 889; teeth in, 890, 892; 

 preparation of skeleton spines, &c., 

 892 ; internal skeleton, 894 ; larvae of, 

 896 



Echinoderms, decalcification of, 512 

 Echinoidea, skeleton of, 884 ; spines of, 



885 ; pedicellariae of, 889 ; larva of, 



898 ; direct development in, 900 note 

 Echinometra, spine of, 886, 892 ; colour 



of spines, 888 

 .Echinus, shell of, 885, 886; spines of, 



885 ; teeth of, 890 



lividus, coloured spines of, 887 

 Ectocarpacece, 626 



Ectocarpus siliculosus, conjugation of, 

 627 



Ectoderm, 726 



Ectoplasm, 535 



Ectoprocta, 909 



Ectosarc, 534 ; in Rhizopoda, 733 ; 

 experiments on, 743 ; of Ciliata, 773 



Edentata, cement in teeth of, 1026 



Edible crab, metamorphosis of, 970 



Edwards (A. M.), on supposed ' swarm- 

 spores ' of Amoeba, 744 



Eel, scales of, 1027 



' Egg without shell,' concretionary sphe- 

 roids in, 1100 



Egg-capsule of Cyclops, 961 



Egg-sacs of Lerncea, 966 



Egg-shell membrane, 1038 



Eggs of Sepiola, Doris, 942 ; of Acarina, 

 1005 ; of insects, 1005 



Ehrenberg, on eye-spot in Protococcus, 

 543 ; on Volvox, 551 ; on structure of 

 frustules, 590; on rapidity of repro- 

 duction of Paramecium, 111 ; on 

 internal casts of Foraminifera, 827 

 note ; on fossil Radiolaria, 854 note 



Elceagnus, raphides in pith of, 696 ; 

 peltate scales of, 714 



Elastic ligament of bivalves, structure of, 

 1040 



Elater, antennae of, 988 



Slaters of Marchantia, 668; of Equi- 

 setacece, 680 



Elatine, seeds of, 724 



Elder, pith of, 687 



Ellis's aquatic microscope, 147 



Elm, raphides of, 696 



Elodea canadensis, cyclosis in, 689 



Elytra of Coleoptera, 981, 999 



Embryo of Phanerogams, 723 



cell of fern, development of, 679 



Embryo-sac, 685 



of ovule in Phanerogams, 534 ; free- 

 cell formation in, 536 



Emission of light, power of, 51, 54 ; 



unequal, 52 



Emitted light, unequal intensity of, 51 

 Empusa muscce, 642 

 Enamel of teeth, 1025 



of teeth of Echinus, 891 



on ganoid scales, 1028 

 Encephalartos, raphides of, 696 

 Encrinites, 892 



End-bulbs, 1053 



Endochrome, 533; of Palmoglcea, 541; 



of Spirogyra, 550 ; of Volvox, 551, 



552, 554 ; of desmids, 580 

 Endoderm, 726 

 Endogenous spores of Mucorini, (540 



stems, 700-712 

 Endogens, spiral vessels of, 698 

 Endonema, 602 

 Endophlceum, 708 

 Endoplasm, 533 



Endosarc, 533; in Rhizopoda, 733; of 

 Ciliata, 773 



Endosperm, 685 



Endospores of mosses, 672 ; in ferns, 677 ; 

 of Volvox, 556 ; of Hymenoiiiycetes, 

 648 



Endosporous Bacteria, 655 



Enock's metallic ring for mounting, 482 



Entomophilous flowers, 722 



Entomophthorece , 642 



Entomostraca, 957, 959-965 ; desicca- 

 tion of, 963 ; agamic reproduction of, 

 963; eggs of, 964; development of, 

 965; eye of, 982; non -sexual repro- 

 duction, 1006 



collecting, 529 



Rotifera upon, 787 

 Entomostracan eggs as food of Ciliata, 



775 



Entoprocta, 909 



Entosphcerida, 850 



Entozoa, 943 



Eolis, nidamentum of, 934 



Eozoo'n, 837 ; mounting, 481 ; mode of 

 growth of, compared with that of 

 Polytrema, 824; canal system com- 

 pared with Calcarina, 825 ; affinities 

 of, 838 ; intermediate skeleton, 839 ; 

 nummuline layer, 839 ; internal cast 

 of, 840 ; asbestiform layer, 841 ; pseu- 

 dopodia of, 841 ; young of, 842 



canadense, 837 



decalcification, 513 



Epe'ira, foot of, 1015 ; silk threads of, 



1015 

 Ephemera, branchiae of larva, 997 



marginaia, larva of, 973 ; circulation 

 of blood in larva of, 994 



Ephippial eggs of Rotifera, 790 

 Ephyrae of Cijancea, 875 ; of Chn/saom, 



876 



Epiblast, 726 note 

 Epiderm of leaves, 712 

 Epidermic appendages, 1029 



