1 146 



INDEX 



COL 



CoUomia grandiflora, spiral fibres in 



seeds of, 693 

 Collozoa, 852 

 Colonial Acinetlna, 784 

 Colonies, in Codosiya, 764 ; of Radiola- 



rians, 849; of Polijzoa, 9'24 

 Columel of Sphagnaceee, 674 

 Comatula, 900, 901; nerves of, 1052 

 ' Comb-bearers,' 881. See CtenopJwra 

 Comrnensalism, in lichens, 650 

 Compensating eye-pieces, 34, 273, 878 

 Composites, laticiferous tissue of, 695 

 Compound condenser, sub-stage, 134 



- microscope, construction of, 39 ; in- 

 vention of, Govi on, 120 



Compression of light rays, 57 



Compressor, Rousselet's, 346 ; Davis' s, 

 347; Beck's, 347 



Compressorium, 346 



' Concentric ' bundles, 710 



Conceptacles of Fitcaceee, 627 ; of Mar- 

 cJtantici, 666 



I'liin-liifrr/i, shell of, !(l!l 



Concretionary spheroids, 1100 



Condensers, 190, 298-316 



Kellner eye-piece used as, 196 ; 

 Gillett's, 204, 300 ; Hartsoeker's, 298 ; 

 Bouannus's compound, 298, 299 ; 

 Powell and Lealand's, 301, 302, 310; 

 apochromatic, 302; Swift's, 802, 305; 

 immersion, 303, 305 ; Watson's, 303, 

 304; Beck's, 304, 305; Zeiss's, 305, 

 308, 309; Baker's, 306; Webster's, 

 308; Abbe's, 308, 309; fittings for, 

 312-314 ; Swift's, for use with polari- 

 scope, 314 



total aperture of, 307 



- tabular list of, 315 

 -achromatic, 300, 304, 305, 306, 311; 



Brewster on, 299 



- chromatic, 308, 309, 311 



compound, 134 



cone of light with, 190 



< '(ii/f/'iTd, 557 



< 'i/iifc.rvacece, 569, 570; binary division 

 of, 569 ; zoospores of, 570 ; resemblance 

 of Melosircee to, 608 



Con/err, f, 945, 960 



Conical epithelium, 101 1 



Conids, of Ascomycetes, 643 ; of Baxiilia- 

 //it/ri'tcs, 647 



Cuiiiferce, 684; woody cells of, 697 



Coniferous wood fossilised, 705, 1083 



( 'onjugatce, affinities of, 549 



< 'on jugate foci, 13 ; focus, 24 ; image, 24 

 ( 'onjugating cells, 540 

 Conjugation, a sexual act, 537 

 Conjugation of Mesoi-fir/mx, 5-19; of 



S/i/nii/i/i-iii 549; of I'lo/lii'/.r, 557; of 

 Wydrodictyon, 5i>5; of Desmidiacece, 

 .'si; of diatoms, 599 ; of P/uros/iorecB, 

 627 ; of Mi/.r<ni/rrteN, 6;M ; of . I rcelln , 

 716; (zygosis) of (1 rei/a ri utc, 751 ; of 

 Ili-li-rniiiitii, 700; of Tetramitus, 761 : 

 of \<, i-l iliifii , 769; of (ili'iiniliiiiii in, 

 770; of r<l<>/> h ri/d, 785; of Ciliata, 

 782: <>f Forticella, 782 



COS 



Connective tissue, 1019 ; fibrous, 1038 ; 

 corpuscles of, 1039, 1040 ; areolar, 1040- 

 Contact metamorphism, 1077 

 Continental correctional collar, 359 



microscopes, objections to, 162 



model, 254-261 ; criticism on, 259 

 Continuity of protoplasm, 538 ; in Flori- 



dece, 630 

 Contractile vacuole in Volvox, 552 



vesicle, of Actinophrys, 737; of 



Microgromia, 737; of Amoeba, 743; 



of Infusoria, function of, 754; in 



Flagellata,764; of P<irnu/eeiitm,n6; 



of Ciliata, 776; of Stentor, 111; of 



Botifera, 789 

 Convergence of light, 18 

 Convergent light in petrology, 1070, 1078 

 Conversion of relief in spectroscope, 92 

 Convol/uulacece,].a,iicifeiouB tissue of, 695 

 ('iii/raJf/tlim, pollen-grains, 721 

 Copepoda,96Q', classification of , 965 note 

 Copeus cerberus, 791 

 Copper sulphate, crystallisation of, 1096 

 Coquilla-nut, 725 



section of, 692 



Coralline crag, microscopic constituents 



of, 1089 

 Corallines, 960 



conceptacles of, 632 ; ostiole of, 632 



- (sertularids), 870 



Corals, section of hard and soft parts, 

 510 



- red, 877 ; stony, 878 ; mushroom, 878 

 CoreUn parallelogramma, branchial sac 



of, 912 



Coreopsis tinctoria, seeds of, 724 

 Cork, 708 



Corky layer of bark, 70S 

 Cormophytic type, 668 

 Cormorant, parasite of, 1010 

 Conieules of arthropod eyes, 983 

 Corn-grains, husk of, 725 

 Cornuspira, 801, 803 

 ' Corpuscle ' of gymnosperms, 685 

 Corpuscles, white, 1037; change of form 



of, 1038 ; of connective tissue, 1039, 



1041 ; of blood, flow of, 1056 

 Corrected lenses, 382 

 Correction collar, 21, 30, 50, 274 ; English, 



357 ; Continental, 359 

 Corroded crystals, 1071 

 Corrosive sublimate, as a fixative, 484 

 Corynactis AUni/nnii, thread-cell of, 879 

 CoscvnodiscecB, ohanu-tiTs of, 608 

 Cusriiitiilixrus, 588, 620 



- cyclosis in, 587 ; frustules of, 589, 590 ; 

 markings on frustule of, 591 ; areolse 

 of, 591 



asterompJialus, 591 ; for testing lcnsr->. 



s, fossil, with embryonal 

 form, 598 

 Cosnni rin in, division of, 582; form of 



cell, 5.S5 



iinl njtix, zygospore of, 584 

 Cosmic dust, 1098 



