1 1?2 



INDEX 



EOS 



SCH 



Boss's (Andrew) ' Lister ' microscope, 153 

 Ross, model, 197 



and Co.'s microscopes, 196, 230-233 ; 

 camera lucida, 285, 286 



Ross-Jackson model, 199 

 Ross-Wenham's radial microscope, 199 

 Ross-Zentmayer model, 198 

 Rot alia, 824 ; intermediate skeleton of, 

 825 



aspera, in chalk, 1087 

 - Beccarii, shell of, 797 



Schroeteriana, 825 

 Rotalian series, 823 

 Rotaliince, colour of shell, 799 

 Rotaline shells-of Foraminifera, 797 



shell, sandy isomorph of, 814 

 Rotating disc of objectives, 290 

 Rotatoria, 753. See ROTIFEBA 

 Rotifer vulgaris, 787 



ROTIFEEA, collecting, 527; keeping alive, 

 528 ; a food of Actinophrys, 739 ; de- 

 scription of, 786-792 ; habitats of, 786 ; 

 structure of, 787-790 ; mastax of, 787 ; 

 lorica of, 787 ; contractile vesicle of, 

 789; males of, 790; eggs of, 790; clas- 

 sification of, 790, 791 ; desiccation of, 

 791 ; bibliography of, 792 ; preparation 

 and preservation of, 793, 794 ; wheel 

 apparatus of, compared with velum of 

 gastropods, 936, 939; winter eggs of, 

 964 ; non-sexual reproduction of, 1006 



Rotten-stone, 617 



' Round worm,' 944 



Rousselet's binocular portable micro- 

 scope, 245 ; his tank microscope, 268 ; 

 his compressorium, 346 ; his live-box, 

 346 ; his method of preparing rotifers, 

 793 



Royston-Piggott constructs first aperture 

 table, 30 



Rugosa, 877 



Rumia cratcegata, eggs of, 1005 



Rush, stellate tissue in, 687 



Rutile in clastic rocks, 1075 ; a secondary 

 mineral in slates, 1076 note 



Ryder's microtome, 401 



Sabellaria, tubes of, 948 

 Sable, hair of, 1030 

 Saccammina in limestone, 1090 



Carteri, 812 



spherica, 812 

 Saccharomyces cerevisice, 645 

 Saccharomycetes, 645; zymotic action 



of, 645 ; endospores of, 646 

 Saccolabium guttatum, spiral cells of, 



693 



Sachs, on Chara, 579 note 

 Sago, starch-grains of, 695 

 Salivary glands, 1047 

 Salmon, scales of, 1028 



disease, 640 



Salpce, diatoms in stomach of, 614, 623 

 Salpidce, 911 



Salpingceca, calyx of, 764 



Salt solution as a preservative medium, 



519 

 Salter (J.), on the 'teeth' of Echinus, 



890 

 Salvia verbenaca, spiral fibres in seeds 



of, 693 



Sand-grains surrounded by silica, 1075 

 ' Sand-stars.' See Ophiuroidea 

 ' Sand-wasp,' 974 

 Sandy isomorphs (Foraminifera), 814 



tests of Lituolida, 814 

 Santonine, crystallisation of, 1096 

 Sap-wood, 704 



Saprolegnia, alliance with Achlya, 564 

 note 



ferax, 640 

 Saprolegnice, 640 

 Saprophytic, Bacteria, 658 



fungi, 633, 642, 647 

 Sarcocystids, 752 



Sarcode, 530 note, 531 ; of Bliizopoda, 



733 



Sarcolemma, 1049 

 Sarcoptes scabiei, 1018 

 Sarcoptidce, mandibles of, 1009 ; maxillse 



of, 1010 ; hairs of, 1010 ; legs of, 1010 ; 



characters of, 1013 

 Sarcoptince, 1013 

 Sarcosporidia, 749 

 Sargassum bacciferum, 630 

 Sarsia (Medusa of Syncoryne), 869 

 ' Saw-flies,' ovipositor of, 1003 

 Saxifraga, seeds of, 724 



umbrosa, parenchyme of, 688 

 Saxifrage, cells of pollen-chambers, 720 

 Scalariform ducts of ferns, 674 ; as modi- 

 fied spiral ducts, 699 



' Scales,' covering epiderm of leaves, 714 ; 

 of Elceagnus, 714 



of Lepidoptera, 975, 976 ; of Coleo- 

 ptera, 975 ; of Curculio imperialis, 975 ; 

 of Lyccenidce, 975, 977 ; of Pieridce, 

 975 ; as tests for objectives, 976 ; 

 of insects, markings of. 976 ; of 

 Thysanura, 977 ; on wing of Lepido- 

 ptera, 999 ; of fishes, 1026 ; of reptiles, 

 1026, 1029 



Scallops. See Pecten ' 



Scarabcei, antennae of, 988 



' Scarfskin,' 1041 



Scatophaga stercoraria, eggs of, 1005 



Scenedesmus, megazoospores of, 566 



Schists, 1077 



Schizogenous spaces in Phanerogams, 



688 



Schizomycetes, 651-664 

 Schizonema, 602, 617 

 r- Gremllii, 618 



gelatinous sheath of, 588, 617 

 Schizonemece, character of, 617 

 Schnetzler, on movement of Oscillatoria, 



548 

 Schott (Dr.) and the improvement of 



object-glasses, 32 

 Schroder on binocular vision, 105 ; his 



camera lucida, 285 



