INDEX 



H73 



SCH 



SIL 



Schultz's method of macerating vege- 

 table tissues, 700 

 Schultze (Prof. Max), on identity of 



' sarcode ' and ' protoplasm,' 530 note ; 



on cyclosis in Diatomacece, 587 ; on 



affinity of Carpenteria, 823 

 Schulze (Prof. P. E.), on soft parts of 



Euplectella, 860 note 

 Schwendener, on lichens, 648 

 Scirtopoda, 791, 792 

 Scissors, spring, 457 

 Sclerenchyme of fernp, 674 

 Sclerogen, 693 

 Sclerotesin Fungi, 633 ; of Myxomycetes, 



636 

 Scolopendrium, indusium of, 675 ; sori 



of, 675 ; sporanges of, 676 

 Scorpions, 957, 1008 

 Screw-collar adjustment, 358 

 Scrophularia, seeds of, 724 

 ' Scyphistoma ' of Cyanea, 875 

 Scytonema, as gonid of lichen, 651 

 Scytone?nacece, 548 ; hormogones of, 548 

 Scytosiphon, conjugation of, 627 

 Sea-anemone. See Actinia 

 Sea-anemones, intracellular digestion in, 



863 



Sea-fans, 877. See Gorgonice 

 ' Sea-jellies,' 853 

 Sealing-wax varnish, 444 

 1 Sea-mats,' 908. See Flustra and Mem- 



branipora 



Searcher eye-pieces, 378 

 ' Sea-slugs.' See Doris, Eolis 

 1 Sea-urchin,' 884. See Echinus 

 Sea-weeds, 625-632 



continuity of protoplasm in, 538, 630 



red, 630 



Secondary spectrum, 19, 31; overcome 



by Abbe's objectives, 365 

 Section lifters, 477 ; cover-glass as, 478 



mounting, 477, 501, 506 



Sections, ribbons of, 464, 469 ; of hard 

 substances, 506 ; of bones, 506, 510 ; 

 of coral, 506, 510 ; of enamel, 506 ; of 

 fossils, 506; of shells, 506; of teeth, 

 506, 510 ; of hard and soft substances 

 together, 510 ; of Phanerogam tissues, 

 699 



Sedum, pollen-grains of, 721 ; seeds of, 

 724 



Seeds, 685, 723 



Segmentation of Gastropoda egg, 935 ; 

 of annelid body, 948 



Seiler's solution for cleaning slides, 439 



Selaginella, archegone of, homology of, 

 685 



Selaginellece, 682 



Selenite plates, 318 



blue and red, 319 



stage, 319 



with mica film, 319 



Selligue's achromatic microscope, 148, 



150 ; objectives, 354 

 Semi-apochromatic objectives, 35 ; of 



Leitz, 374 ; of Reichert, 374 ; of Swift, 



375 



Sempervivum, seeds of, 724 



Seneca, on magnifying by water, 118 



Sense, organs of, in Mollusca, 940 



Sensory nerves, 1053 



organs of sponges, 856 



Sepals, 718 



Sepia, pigment-cells, 942 



Sepiola, eggs of, 942 



' Sepiostaire ' of cuttle-fish, structure of, 



924 ; imitations of, 1102 

 Septa in shell of Foraminifera, 796, 803, 



804 

 Serialaria, presumed nervous system in, 



907 



Serous membrane, 1041, 1042 

 Serpula, tubes of, 948 

 Serricornia, antennae of, 987 

 Sertularia cupressina, 871 

 Sertulariida, gonozooids of, 870; zoo- 



phytic stage of, 877 

 Sessile cirripeds, 967 

 Seta of Tomopteris, 953 

 ' Sewage fungus,' 653 

 Sexual fructification of Thallophytes. 



540 



generation of Volvox, 555 

 Shadbolt, on structure of Arachnoidiscus, 



612 



Shadbolt' s turn-table, 451 

 Shadow effects, 61 

 Shark, dentine of, 1023 

 Sharks, scales of, 1028 

 Sheep-rot, 945 

 Shell, bivalve, of Ostracoda, 960 



calcareous, of Eeticularia, 733 ; of 

 Microgromia, 736 



silicious, of Dictyocysta, Codonella, 

 773 



of Foraminifera, 796-801 ; of Lamel- 

 libranchiata, 919 ; of Brachiopoda, 

 919 



Shellac cement, protection against cedar 



oil, 444 



' Shell-fish,' 919. See Mollusca 

 Shells of Mollusca, nacreous layer of, 

 919, 922, 923, 924 ; prismatic layer of, 

 919, 920, 921 ; colour of, 921 ; an ex- 

 cretory product, 922; sub-nacreous 

 layer of, 923, 924 



of Brachiopoda, 925 ; periostracum 

 of, 926 ; perforations of, 926 



of Gastropoda, structure of, 928 



of Cirripedia, 968 



' Shield ' of Ciliata, 773 



Shrimp, concretionary spheroids in skin 



of, 1100 



Shrimps, skeleton of, 969 

 Side reflector, 333 



lever, short, fine adjustment, 174 

 Swift's vertical fine adjustment, 



173 

 Siebold, on agamic reproduction in bees, 



1006 



Sieve-plates, 710 



Sieve-tubes, 710 ; in Exogens, 697 

 Sigillarice, 682, 1084 

 Silene, seeds of, 724 



