INDEX 



H73 



SCH 



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. F. E.), on soft parts of 



Euplectella, 860 note 

 Schweiidener, on lichens, 648 

 Scirtopoda, 791, 792 

 Scissors, spring, -157 

 Sclerenchyme of ferns, 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 

 ' Scypliistoma ' of Cijanea, 875 

 Scytonema, as gonid of lichen, 651 

 Scytoneinacece, 548 ; hormogones of, 548 

 Scytosiphon, conjugation of, 627 

 Sea-anemone. See Actinia 

 Sea-anemones, intracellular digestion in, 



863 



Sea-fans, 877. See GorgonicB 

 ' Sea-jellies,' 853 

 Sealing-wax varnish, 444 

 ' Sea-mats,' 908. See Flustra and Mein- 



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 



Sedtun, 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 



Selaginelleo', 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 



SIL 



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 Foruinin/fera, 796, 803, 



804 

 Serialaria, presumed nervous system in, 



907 



Serous membrane, 1041, 1042 

 Serpula, tubes of, 948 

 Serricornia, antenna; of, 987 

 Sertularia cupressina, 871 

 Sertulariida, gonozoijids of, 870 ; zoo- 



phytic stage of, 877 

 Sessile cirripeds, 967 

 Seta of Tomopteris, 953 

 ' Sewage fungus,' 653 

 Sexual fructification of Tliallophytes, 



540 



generation of Volvox, 555 

 Shadbolt, on structure of A rachnoidiscus, 



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 Ret ic id aria, 733; of 

 Microgroinia, 736 



silicious, of Dictyocysta, Codonella, 

 773 



- of Foraminifeni, 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 



