INDEX 



COS 



Costae of Campylodiscus, 607 

 Cotyledons, 685 

 Cover-glass, 439 



consequence of using, 19 ; as section 

 lifter, 478 



tester, 440; Zeiss's, 440; Ross's, 440; 

 Smith's (J. Ciceri), 441 



varying thicknesses of, 439 ; with 

 achromatic objectives, 489; cleaning 

 them, 442 



Cox (J. D.) f on structure of frustule in 

 Istlimia, 590 note 



Crab, 957 ; metamorphosis, 969 ; blood- 

 corpuscles of, 1038 ; ' liver ' of, 1047 



Crabro, leg of, 974 



Crane-fly. See Tipula 



Craterium pyriforme, 1009 



Crayfish, 957 ; young of, 969 



Creation of structure by diaphragms, 68 



( ' ribrillna figularis, 906 



Cricket, gizzard of, 993 ; wings of, 999 ; 

 sound-producing apparatus, 999. See 

 Acheta 



Crinoidea, skeleton of, 892; larva of, 

 898 



Cn'xia, 909 



Crisp (F.I, on 'aperture,' 44; on radia- 

 tion, 57 ; on collection of microscopes, 

 117 



Cristatella, 909 



Cristellaria, shell of, 798, 819 



Critical angle, 6, 7; image, 30, 299; 

 images, 287; mode of obtaining, 409, 

 410 



Crocus, pollen-grains of, 722 



Crouch's adapter for parabolic speculum, 

 333 



' Crow silk,' 569 



Crown glass, refractive index of, 5 ; com- 

 position of, 32 



Grusta petrosa of teeth, 1025, 1026 



CBUSTACEA, 957-971 



larvae of, collecting, 529 

 CKUSTACEA, suctorial, 965 



collecting, 970 ; preserving, 971 ; com- 

 pound eyes of, 982; pigment-cells of, 

 1043 ; ' liver ' of, 1047 ; concretionary, 

 spheroids in shells of, 1100 



CKYPTOGAMIA, 530-683 



preparation of, 514 ; structure of, 532- 

 535 ; reproduction of, 535-549 ; litera- 

 ture, 683 ; passage to PHANEBOGAMIA, \ 

 684 and note 



Cryptoraphidece, 599 



Crystalline forms, list of, for microscope, 



1099 

 Crystallisation, microscopic examination 



of, 1095-1098 



effect of temperature on, 1096 



preservation of specimens of, 1098 

 Crystallisation, process of, 1096 

 Crystallites, 1072, 1096 



in glass cavities, 1074 

 Crystalloids, 1096 



Crystals, corroded, 1071 ; in lava, 1071 ; 

 zonal markings in, 1073 ; cavities in, 

 1073 ; inclusions in, 1074, 1075 ; micro- 



CYP 



scopical structure of, 1075 ; optical pro- 

 perties and chemical constitution, 

 1078, 1079; as microscopic objects, 

 1094 ; of snow, 1095 ; as objects for 

 polariscope, 1097 



Crystals, their homogeneous structure, 

 1094 



types of structure, 1094 



optical properties, 1094 



variations in symmetry, 1094 

 Ctenaria ctenophora, 877 note 

 Ctenoid scales, 1028 



Ctenophora, 877, 881, 883; excretory 



pores of, 882 note 

 Ctenostomata, characters of, 909 

 Cucurbitacece, pollen-grains of, 721 

 Cuff's micrometer, 142 ; microscope, 142 

 Culicidce, antennae of, 988 ; larvae, blood 



of, 994 

 Curculio, antennae of, 988 



imperialis, scales of, 975 ; elytra of, 

 981 



Curculionidce, 981 ; foot of, 1000 ; suekers. 

 on foot of, 1002 



Currant, parenchyme of fruit, 685 ; pollen- 

 tubes of, 723 



Curvature of the field, 388 



' Cushion- star,' 891. See Goniaster 



Cuticle, 1041, 1042 



of leaves, 713 ; of Ciliata, 773 

 Cutin, 713 



Cutis vera, 1041 



Cutleria, conjugation of, 627 



Cuttle-fish, 929, 942. See Sepia 



' sepiostaire ' of, structure, 929 ; imi- 

 tated, 1102 



' Cuttle-fish bone,' structure of, 929 



Cyancea capillata, ephyrae of, 874, 875 ; 

 scyphistoma of, 875 ; strobila, 875 



Cyanthus minor, seed of, 724 



Cyatholiths, 748, 749; artificially pro- 

 duced, 1101 



Cycadece, 684 



Cycas, raphides of, 696 



Cyclammina cancellata, 816, 818 



Cyclical mode of growth in shell of 

 Foraminifera, 798 



Cycloclypeus, 829 ; shell of, 798 



compared with Orbitolites, 801, 835 

 Cycloid scales, 1028 



Cyclops, eye of, 960 ; larva, 968 



quadricornis, 961 ; number of off- 

 spring of, 964 



Cyclosis, 534 ; in Chara, 576 ; in des- 

 mids, 581 ; in Diatomacece, 587 ; in 

 Phanerogam cells, 688; in plant hairs, 

 690 ; in Lieberkuehnia, 732 ; in Acine- 

 tina, 783 



Cyclostomata (Polyzoa), characters of, 

 909 



Cydippe, collecting, 529 



pileus, 882 

 Cymbella, 602 

 Cymbellece, affinities of, 616 

 Cynipidce, ovipositor of, 1003 

 Cyprcsa, shell of, 928 

 Cypris, 960 



