INDEX 



H55 



GEE 



Gregarinida, 749 



Gregory (J. W.), on Eozoon, 843 note 



Gregory (W.), on species of diatoms, 600 



note 

 Greville, on Spatangidium, 610; on 



Triceratiioii, 613 note 

 Grey matter, 1052 

 Griffith's turn-table, 451 

 Griffitlisia, 630 

 Grinding sections of hard substances, 



506 , 



Grindl's microscope, 132 

 Gromia, 734-736, 796 



and Arcella, pseudopodia of, con- 

 trasted, 746 



Ground-mass of rocks, 1072 

 Groundsel, pollen-grains of, 722 

 Growing slides, Botterill's, 340 ; Mad- 



dox's, 341 ; Lewis's, 341 

 Guard-cells, 715 

 'Gulf-weed,' 630 

 Gum and glycerin, 520 ; and syrup, as a 



preservative medium, 519 



imbedding for vegetable substances, 

 514 



arabic, formula, 445 ; for freezing, 505 



resins, latex of, 695 



styrax, as a mounting medium, 521 ; 

 index of refraction, 521 



Gyges, 545 

 Gymnochroa, 868 

 Gymnolcemata, 909 

 Gymnosperms, fossilised, 1084 

 generative apparatus in, compared 



with Cryptogams, 684 

 Gypsina, 824 



H 



Haddon, on budding in Polyzoa, 907 note 

 Haeckel (E.), on Eadiolaria, 846 ; on 



Hydrozob'n affinity of Ctenophora, 877 



note 

 - and Hertwig, on classification of 



radiolarians, 849 note 

 HcsmamoebidfB, 752 and notr 

 Hcematococcus, red phase of Proto- 



coccus, 543 

 sanguineus, 558 

 Haematoxylin, solutions, 491, 492 

 Hcemionitis, sori of, 675 

 HamoeporicKa, 749 

 Haime (Jules), on development of Tri- 



choda, 780 

 ' Hair-moss,' 671 

 : Hair-worm,' 944 

 Hairs of leaves, 714 ; of insects, 980 ; of 



Acarina, 1010 ; of mammals, 1029 

 Halicaridce, 1013 

 Haliomma Sumboldtii, 851 



- hystrix, 848 

 Haliotis (diatom), 613 



- (mollusc), shell structure of, 928; 

 palate of, 931 



Haliphysema, 814 ; sponge-spicules in, 



Haller, on auditory organs of Acarina, 



1010 



Halteres of Diptera, 1000 

 Hand-magnifier, Brewster's, 37 

 Hansgirg, on movement of Oscillato- 



rlacece, 548 

 Hantzsch's glycerin method for desmids, 



520 

 Haplophragmium, 814 



globigeriniforme, 813 



Hardening agents, 484-487; corrosive 

 sublimate, 484 ; alcohol, 484 ; osmic 

 acid, 485 ; picric acid, 485 



Hardy's flat bottle for collecting, 527 



Harpalus, antennse of, 988 



Harting, on Janssen's microscope, 120 ; 

 his experiments on formation of con- 

 cretions, 1101 



Hartnack, on immersion system, 27 



Hartnack's model, 256 



Hartsoeker's simple microscope, 134; his 

 condenser, 134, 298 



' Hart's-tongue,' 675. See Scolopen- 

 drium 



' Harvest-bug,' 1013 



' Haus ' of Appendicularia, 918 



Haustellate mouth, 992 



Haustellium, 992 



Haversian canals in bone, 1021 



Haycraft (J. B.), on structure of striated 

 muscle fibre, 1049 



Hayes's ether freezing microtome, 472; 

 minimum thickness of sections there- 

 with, 478 



Hazel, peculiar stem of, 704 ; pollen- 

 grains of, 722 



Hearing, organs of, in Gastropoda, 941 ; 

 in Cephalopoda, 941 



Heart of ascidians, 912 ; of Acarina, 1011 



Heartsease, pollen-tubes of, 723 



' Heart-wood,' 704 



Heating-bath, Mayer's, 453 



Heliopelta, 588, 611 



Heliozoa, characters of, 734 ; examples 

 of, 737-742 



Helix pomatia, teeth of, 930 



hortensis, palate of, 930 

 Heller's porcelain cement, 521 

 Helmholtz on aperture, 47 

 Hemiaster cavernosus, development of, 



900 note 

 Hemiptera, eyes of, 987 ; wings of, 999 ; 



suctorial mouth of, 1000 

 Hensen's stripe, 1049 

 Hepaticce, 665; thalloid, 668; foliose, 



668 ; elaters of, compared with spiral 



cells, &c., of pollen-chamber, 720 

 Herbivora, arrangement of enamel in 



teeth of, 1025 ; cement in teeth of, 1026 

 Herring, scales of, 1028 

 Herschelan doublet, 309 

 Hertel's compound microscope, 137, 139 

 Hertwig's research on Microgromia, 735 



note', on Actinia, 877 note 

 Heterocentrotus, spine of, 885 



mammillatus, spine of, 887 

 Heterocysts of Nostoc, 549 



4E2 



