INDEX 



II4I 



BAC 



BIK 



651 ; to Nostocacece, 652 ; movements 



of, 652 ; mode of multiplication, 652 ; 



forms of, 653 ; classification of, 655 ; 



nutrition of, 658; flagella of, 659; 



germinating power of, 660 ; spores of, 



660 



Bacteriastrum furcatum, 614 

 Bacteriology, 662 

 Bacterium, lineola, compared with 



Cercomonas, 651 



lineola, 658 



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

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

 nation of, 660 



Bailey, on internal casts of Foramini- 

 fera, 828 note 



Bailey's method of isolating diatoms, 

 624 



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 

 Balanidce, 967 



Balanus balanoides, 967 ; disc of, 968 

 Balsam angle, 50, 78 



refi'active 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 Cirripedia 



Basals of Antedon, 901 



Basidiomycetes, 647; as fungus consti- 

 tuent of lichens, 651 



Basidiospores of Basidiomycetes, 647 ; 

 of Hymenomycetes, 647 



Basids of Puccinia, 637 ; of Basidiomy- 

 cetes, 647 



Bast, 710 



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

 cartilage in ear of, 1046 



' Bathybius,' 747 



Bdtrachia, red blood-corpuscles, 1035; 

 lungs of, 1063 



Batrachospermece, 574 



Batrachospermum moniliforme, 575 



protoneme of, 575 



' Battledore scale ' of Lyccenidce, 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 



Bdcllidce, 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 ; 



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 Fora- 

 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 

 Beneden (Ed. Van), on Gregarina gi- 



gantea, 749 note; on movement of 



gregarines, 750 

 Benzol, uses of, 517 

 Bergh, on Flagellata, 764 

 ' Bergmehl,' 622 

 Berkeleya, 602 

 Bermuda earth, 608, 611 

 Beroe, collecting, 529 



Forskalii, 881, 882 



ovatus, Eimer on, 882 note 

 Bicellaria ciliata, 910 



Biconvex lens, formulae relating to, 21 

 Biddulphia, 612 



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

 structure of frustule, 590 note 



Biddulphiece, 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 



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

 scopic, Wenham's, 98 ; Stephenson's, 

 100; Stephenson's erecting, 100; 

 stereoscopic, for study of opaque ob- 

 jects, 103 ; non-stereoscopic, 105 ; 

 Powell and Le^land's high-power, 105, 

 106; Rousselet's portable, 245; Ste- 

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

 spectrum microscope, 327 



Biology, 530 



' Bipinnaria,' resemblance of Actvno- 

 trocha to, 950 



Bipinnaria asterigera, 897 



Birch, pollen-grains of, 722 



BIRD, parasite of, 1012, 1014 ; lacunae in 

 bone of, 1022; epidermic appendages 

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

 1035 ; lungs of, 1064 



