1 140 



INDEX 



AQU 



Aquarium microscopes, 260-269 ; J. W. 



Stephenson's, 267-268; Rousselet's, 



268-269 



Aquatic microscope, 147 

 ARACHNIDA, 1008 



eggs of, 1005 ; related to Pycnogonida, 

 959 note ; reproductive organs of, 1011 



Arachnoidiscus, 588, 612 



Arachnospluerd obligacanthn, 850, 852 



Aragonite, 1095 



-in shell of Pholas, 924 



Aralia papyrifera, parenchyme of, 687 



Araneida, 1008 



Arcella, 746 



Archegones of Va ucheria, 563 ; of Chara, 

 577, 578 ; of Marchantia, 665, 668 ; of 

 mosses, 670, 671 ; of Sphagnacece, 

 673; of ferns, 677, 678; of Lyco- 

 podiece, 681 ; of Bhizocarpece, 681 



Archer, on amcebiform phase of Stepha- 

 nosphcera, 557 note ; on desmids, 579 

 note ; classification of, 585 ; on 

 Clathrulina, 742 note 



Archerina Boltoni, 730 



Arctium, stem of, 709 



Arcyriaflava, sporanges of, 635 



Arenacea, 810-814 



Arenaceous character of Textularinice, 

 823 



Foraminifera, varying size of particles 

 in test of, 818 



test of Foraminifera, 810 

 Arenicola, 948 



Areolee of frustule of Coscinodiscus, 591 



Areolar connective tissue, 1040, 1045 



Argas, bite of, 1012 



ArgasidcB, 1012 



Argonauta, 929 



Argosince, 1008 



Argulus foliaceus, 966 



Aristolochia, stem of, 709 



' Aristotle's lantern ' of echinids, 890 



Aristotle on myopy and presbyopy, 118 



Arsenic, micro-chemical analysis of, 1103 



Artemia, 962 



salina, movement of, 960 ; habitat of, 

 963 



Arteries, 1056 

 Arthrodesmus incus, 568 

 ARTHROPODA, 957-1016 ; smallest of, 1008 ; 

 eye of, 983 



limbs of Pedalion compared with 

 those of, 792 



Arthrosporous Bacteria, 657 



Artificial light, 417 



'Artificial lightning,' 682 



Ascaris lumbricoides, 944 



Asci of Ascomycetes, 642 ; of lichens, 650 



Ascidians, diatoms in stomach of, 614, 



623; solitary, 911 ; branchial sac of, 



912, 913, 915 ; circulation in, 912, 915 ; 



compound, 912 ; cloaca of, 913 ; stolons 



of, 914; bibliography of, 914 note; 



social, 914 ; general structure of, 916 ; 



development of, 916 ; tadpole of, 917 ; 



affinities with Amphioxus, 917 note 

 Asclepiadece, pollinium of, 722 



BAC 



Ascogone of Ascomycetes, 643 ; of lichens,. 

 651 



Ascomycetes, 642-645 ; as fungus-con- 

 stituents of lichens, 651 



Ascopores of Ascomycetes, 642; of 

 lichens, 650 



Asellus aquaticus, ciliated parasite in 

 blood of, 774 



Asilus, eye of, 987 



Aspergillus, fermentation by, 647 



Asphalte for cells, 446 



varnish, 443 



Aspidisca, a phase in development of 



Trichoda, 781 



Aspidium, indusium of, 675 ; sori of, 675 

 AsplancJina, in confinement, 528 

 Astasia, 545 ; mouth in, 765 

 Asteroidea, skeleton of, 891 ; spines of,. 



891 ; larva of, 897 

 Asterolampra, 595, 610 

 Aster omphalus, 610 

 Astromma, 849 

 Astrophyton, spines of, 891 

 Astrorhiza, 811, 815 

 Astrorhizida, 812 

 Athecata, 868 

 Athyrium Filix-fcemina, apospory in,, 



680 



Atrium of Noctiluca, 766 

 Auditory vesicles of Mollusca, 941 

 Audouin, on ' muscardine,' 645 

 Augite, 1072 ; zonal structure in, 1073 

 Aulacodiscus, 612 



Kittonii, markings on, 591 



Sturtii, markings on, 592 

 Autofission of diatoms, 594 

 Auxospore, 594-601 

 Avanturine, 1095 

 Avicularia of Polyzoa, 910, 911 

 ' Awns ' of Chcetocerece, 614 

 Axile body of tactile papilla, 1053 

 Axinella paradoxa, 858 



Axis cylinders of nerve-tube, 1051, 1052" 



P, 



Bacillariacece of Kiitzing, 587 

 Bacillaria varadoxa, movements of, 



602, 606 



Bacilli, form of, 653 

 Bacillus, ' granular spheres ' of, 660 note 



anthracis, 656 ; spores live in abso- 

 lute alcohol, 660 



megaterium, 655 



of anthrax, 1037 note 



of tuberculosis, modes of staining,. 

 515, 516 



subtilis, 656, 657, 658 ; spores of, 660 

 ' Bacon-beetle,' 980 



Bacon (Roger), inventor of simple micro- 

 scope, 126 



Bacteria, use of large and small cones in 

 examining, 421 ; photo-micrographs, 

 423; as test for definition, 426 ; staining, 

 514-516; (see Schizomycetes), 651;. 

 affinities to Algce, 651; to Flagellata, 



