H58 



INDEX 



IKK 



Irrationality of spectrum, 19, 305 



Isochelee of sponges, 860 



Isoetece, 082 



Isotropism, 1079 



IntJnnia, chains and frustules of, 588, 612 ; 

 structure of frustules, 590 note ; divi- 

 sion of, 596 



nervosa, (513 



areolations in, 592 

 Italian reed, stem of, 699 

 'Itch-mites,' 1013 

 Ivory, 1024 



Txodes, heart of, 1011 



Ixodidce, 1008 ; integument of, 1010 ; 



auditory organ, 1011 ; tracheae of, 1011 ; 



characters of, 1012 



Jackson's modification of Ross model, 

 199 ; his eye-piece micrometer, 270 



Janssen (H. and J.), inventors of first 

 microscope, 120 ; their compound 

 microscope, 120 



Jars, capped, for Canada balsam, 477 



Jelly-fish. SeeAcalephce and MeduscB 



Jones's compound microscope, 144, 145 



Jungermannia, 068 



Jung's (Thoma's) microtome, 401-469 



Kaolin, 1070 



Karop, his fine adjustment to sub-stage, 

 187 



Karop and Nelson on fine structure of 

 diatoms, 591 note 



Karyokinesis in monads, 703 



Kellner's eye-piece, 42, 370 ; as a con- 

 denser, 196 



Kent (Saville), on contractile vacuoles of 

 Volvox, 552 >iote ; on Flctffellata, 704 



Keplerian telescope, Drebbel's modifica- 

 tion, as a microscope, 121 



'Keramosphcera Murrayi, 810 /m/r 



Keratose network of sponges, 855 ; pre- 

 paration of, 857 



Kidneys of Vertcbrata, 1047 



King-crab, 957 



Kirchner, on the ob'spores of Volvox, 

 55.6 



Klebahn, on formation of auxospores of 

 diatoms, 001 



Klebs, on mucilaginous sheath of des- 

 inids, 580 ; on movi'incut, of desmids, 

 580 



and Biitschli, on the 'cilia 'of JJino- 

 Jtii(/i-tliitn, 770 



Klein, on Volrn.r, 5.~><; i/otr 



Knife, special, for microtome, -402 



Koch's method of sectionising corals, 

 878 



Kowalevsky, on development of uscidiiins, 

 1)17 note 



Krukenberg,on digestion in sea -anemones, 

 863 



LEG 



TL\\i7,mg,o\\Pahnodictijon, 559; on struc- 

 ture of frustules of diatoms, 590 ; his 

 classification of diatoms, (in:! 



Labarraque's fluid for bleaching vege- 

 table substance, 514 



Labels, permanent, 523 



Labyrmthic structure of Cyclam uiiini. 

 810 ; of Parker ia, 818 



Labi/rititJioclon, tooth of, 1091 



Lacunse and canaliculi of bone, misinter- 

 pretation of, 428 



of bone, 1019-1022 ; dimensions of, in 

 various animals, 1022 



relation of size to that of blood cor- 

 puscle, 1022 



Lagena, 796, 819 

 Lagenida, 819 

 Laguncula, 906, 908, 950 



stolon of, 904 ; polypides of, compared 

 with Clavcllinidce, 914 



- repcns, anatomy of, 904, 905 

 ' Lamellae ' of corals, 878 



of Hymenomycetes, 04* 

 Lamellibranchiata, shell of, 919 

 Lamellicornia, antennae of, 988 

 Laminaria, 626, 627 

 Lauiinariacecf, 027 



Lamna, tooth of, 1024 



Lamp, Nelson's 404 ; Beck's 406 ; 



Baker's, 407 

 JJampyris, antenna- of, 988 



splendiditla, photograph through eye 

 of, 984 



Land-crab, young of, 969 



Laukester (E.Ray), on Bacteria, 652; on 

 movement of gregarines, 750 ; on 

 Hcfiuamcebidce, 752 note; on intra- 

 cellular digestion in Limnocodium, 

 863 



Lantern-flies, wings of, 999 



Lapis lazuli, 10'.)") 



Larva of Echinodcrmata, 896; of As- 

 teroldea, 898 ; of Echinoidea, 898 ; of 

 Oplimroidea, 898 ; of Crinoidea, 900 ; 

 of ascidians, 910 ; of fly, 1007 ; of 

 Acarina, 1009 



Latex of Phanerogams, 695 



Lathrcea squarnaria, embryo of, 723 



Laticiferous tubes, free-cell formation in, 

 534 



- tissue of Phanerogams, 695 

 Laurentian rocks, 837, 842 



' Laver," or green seaweed, 559 



Lawrence's glycerin jelly, 519 



Leaves, epiderm of, 712; internal struc- 

 ture of, 716 ; mode of preparation for 

 examination of, 71 >s 



Leech, D.IO 



Leeuwenhoek's simple microscope, 132 



Legg's method of selecting Foraminifera, 

 844 



Legs of insects, 1000, 1002; of Acarina, 

 1008, 1010 



