INDEX 



BAG 



651; to Nostocacfcc, 652; movements 



of, 652; mode of multiplication, <i.V2 ; 



forms of, 653 ; classification of, 055 ; 



nutrition of, 658; flagella of, 659; 



germinating power of, 660 ; spores of, 



660 



Bacteriastnmi furrutum, 614 

 Bacteriology, 662 

 Bacterium lineola, compared with 



Cercoinonas, 651 

 lineola, 658 



- termo, flagellum of, 72, 658; move- 

 ment of, 653 ; zoligloea of, 659 ; germi- 

 nation of, 660 



Bailey, on internal casts of Fomn/ini- 

 fe.ru, 828 note 



Bailey's method of isolating diatoms, 

 024 



Baker, on Cuff's microscope, 142 



Baker's microscopes. 202, 218-221, 230, 

 246, 251 ; mechanical stage, 181 ; sub- 

 stage, 188, 189 ; achromatic condenser, 

 306 ; fitting for condenser, 312 



- lamp, 407 

 BalanidcB, 967 



Bcihtuus balanoides, 967; disc of, 968 



Balsam angle, 50, 7H 

 refractive index of, 77 



Banksia, stomates of, 716 



Barbadoes earth, 846, 849 



Bark, 700, 702, 708 



Barker's Gregorian telescope, 145 



Bar movement, 262 



' Barlow lens ' applied to a microscope, 

 149 



Barnacles, 967. See Cirripi <li<i 



Basals of Antedon, 9ol 



Basidiomijcetes, 647 ; as fungus consti- 

 tuent of lichens, 651 



Basidiospores of Basidiomycetes, 647 ; 

 of Hymenomycetes, 047 



Basids of Piiccinia, 637 ; of Basidiomy- 

 cetes, 647 



Bast, 710 



Bat, parasite of, 1012; hair of, 1030; 

 cartilage in ear of, 1046 



' Bathybius,' 747 



Batrachia, red blood-corpuscles, 1035; 

 lungs of, 106'3 



BatrachospermecB, 574 



BatracJiospermum moiiiliforini', 575 



- protoneme of, 575 



' Battledore scale ' of Lijccenidfe, 975 



Bausch and Lomb's microscopes, 212-214, 

 222, 239, 247, 252; mechanical stage, 

 183, 184 ; sub-stage, 212 ; chemical 

 microscope, 263 ; camera lucida, 285 ; 

 objectives, 375 



Bdella, maxillary palps of, 1010 



Bdellidie, 1013 



Bdelloida, 791 



Bead-moulds, 645 



Beale's camera, 279, 288 ; glycerin method 

 of preserving, 520 



Beale, on organic structure, 1017 



Beck's microscopes, 228, 233 ; mechani- 

 cal stage, 184 ; rotatory nose-piece, 291 ; 



SIR 



condensers, 304, 305 ; side reflector, 

 333 ; vertical illuminator, 337 ; disc- 

 holder, 339 ; compressor, 347 ; rings 

 for locking coarse adjustment, 352 ; 

 objectives, 375 ; lamp, 405-407 ; achro- 

 matic binocular magnifier, 456 note ; 

 disc-holder for examination of Furn- 

 minifera, 845 



Beck (R.), on markings of Podura scale, 

 978 



Bee, hairs of, 980 ; head of, 982 ; wing of, 

 994, 998 ; sting of, 1003 



Beeldsnyder's achromatic objective, 147 



Beetles. See Coleoptera 



Beggiatoa, form of, 652, 653 



- alba, 653-655 

 Begonia, seeds of, 724 



Behrens' method of analysing minerals, 



1083; of micro-chemical analysis, 1102 

 Bell (Jeffrey), on the spines of Cidaris, 



889 



Bell's cements, 443, 479 

 Beueden (Ed. Van), on Gregarina gi- 



gantea, 749 note ; on movement of 



gregarines, 750 

 Benzol, uses of, 517 

 Bergh, on Flagellata, 764 

 ' Bergmehl,' 622 

 Berkeley a, 602 

 Bermuda earth, 608, 611 

 Beroii, collecting, 529 



- Forskalii, ,881, 882 



ovatus, Eimer on, 882 note 

 Bicellaria ciliata, 910 



Biconvex lens, formulas relating to, 21 

 Biddulphia, 612 



cyclosis in, 587 ; chains of, 588, 596 ; 

 structure of frustule, 590 mite 



Biddulphietz, character of, 612 



Biflagellate monad, 759 



Bignonia, seed of, 724 



Bignoniacea, winged seeds, 724 



Biloculina, 802 



Binary subdivision of cell, 535, 536 



Binocular eye-piece, Tolles', 101 ; Abbe's, 

 102 



Binocular magnifier, Beck's achromatic, 

 456 note 



Binocular microscope, 61, 97 



- Riddell's, 96 ; Nachet's, 98 ; stereo- 

 scopic, Weiiham's, 98 ; Stephenson's, 

 100 ; Stephenson's erecting, 100 ; 

 stereoscopic, for study of opaque ob- 

 jects, 103 ; non-stereoscopic, 105 ; 

 Powell and Lealand's high-power, 105, 

 106 ; Rousselet's portable, 245 ; Ste- 

 phenson's for dissection, 248, 401, 456 ; 

 spectrum microscope, 327 



Biology, 530 



' Bipimiaria,' resemblance of Actiim- 

 trocha to, 95C 



BipiniKiriti ustrrigera, 897 



Birch, pollen-grains of, 722 



BIRD, parasite of, 1012, 1014 : lacuna? in 

 bone of, 1022 ; epidermic appendages 

 of, 1029 ; red blood-corpuscles of, 1034, 

 1035 ; lungs of, 1064 



