766 



INDEX 



Gill-cover, of Asfacits, 498 



Gills, 33" See Respiration 



Gizzard, 30 



Glabella, 55s* 



Glands, -2-2 



Glands, Multicellular, 23* : Unicellular, 



2-2 : Ducts, 23 

 <; lass-crab, 553 

 Glass-rope sponge, 112, 110 

 Glenodinium, 74 

 <;/<-il,!</ti-ii/a, 53, 54 

 G/orhnliit/ii, 044 

 GloMororioii, 142 

 Glow-worms, 596 

 Glyrera, 434 



< !l I/:'! I'll 1 1 I', 430 



( inathobase, 489 



Gnathobdellida, 476, 480 



Gnats, 586 



Goblet-shaped bodies, 423 



Goblet-shaped organs, of Leech, 473 



Gonads See Reproductive system 



Gonotheca, of Obefia, 119*, 120 



Gordioidea, 282*, 283, 285 



Gordiu*, 283, 284, 286 



Gorgonacea. 182, 191 



(,'oi-fjonia, 1S4, 191 



Granule glands, 254, 255 



Graptolithida. 132*, 154, 155 



( Jrasshoppers, 584 



Green gland, of A*/CH*, 5u:i 



1 1 1-< <itirinK, 77 



(,'i-i'j'ti-in'f li/titt'i ,-iini, 77 



Gregariiia ilujm-ilnii, 77 



< li-<_ij<i riii'i iji'j" iit< ", 77 



Gregarinida, characteristic features, 



77 



Gregarinida, definition, , 

 Gromia, 51, 52 

 ( auird-polypes, 138* 

 Gullet, 30 See Digestive organs 

 t; a i, i/n segmentata, 240, 241 

 Gustatory organ, 37 

 Gymnoblastea, 133""" 

 Gymnolaemata, 32u 

 Gyractis, 1*7 

 ( ryrodactylidae, 243 



i/ltis, 243, 258 



148 



H 



_Lj_ABiT3 See Ethology 



//" nimlijixri, 470, 481 

 Hsematochrqme, 49, 04 



H;emoccele, of Crustacea, 547" : Peri- 



1 >'<> us, 501 : Insecta, 591 

 Hsemocyanin, 513 

 Hemoglobin, 28, 34 

 1 f'i mopsis i;,i-'i.i\ 48H 



lli'li-'llll/iniili x. |S,S 



Hal lot is, 093, 694 



Jlnlixh ilium. 147 



Halistemma 



Halteres, 591 



Hum iii'/in, 459 



Harfea, 182, 183, 184, 



Harvest-men, 612, 615 



fTastigprina, 54 



Haver sian canals, 23*, 26 



Head-lobes, of Axtarux, 516 



Heart, 34 



Heart See Vascular system 



Hectocotylisation, 709, 72s 



Heliozoa, 40'" : General structure, 55 : 

 Colonies, 50 : Skeleton, 56, 57 : Re- 

 production, 58 : Conjugation 



Hdioiiora, 182, 195, 196 



Helix, 697, 699 



J[< //'.' in iiiorx/i*, 690 



Hemipneustes rcu/inf /<-. 390 



Kemiptera, 585, 589, 605 



Hepato-pancreas, 32 



Hermaphrodite, 37 



Hermit-crabs, 539, 550 



Hermit-crabs and Hydractinia, 134, 135 



Hesionida, 436 



Heterocoela, 103* 



Htterocyemidw, 216, 218 



Heterogamy, 39 , 2s7 



Heterogeny, 259", 266 



Hvttroinita, 67 



Heteromyaria, 649 



Heteropoda, 684, 087, 688 



Heterotrichous, 83 



Hexacanth embryo, of T'.iniu, 236: 

 Cestodes, 259 



Hexactinellida, 103*, 110 



Hexnctiiiin , 183, 187 



Hexarthra, 304, 306, 307, 31 U 



Hinge-ligament, 033 



Hinge-line, 033 



Hinge-teeth, 034, 051 



Hip} x.i, 523 



Hippm-iii *, 651, 652 



Hirudinea, 465 : Example, 465 : Distinc- 

 tive characters and classification, 474 : 

 General organisation, 470 : Form and 

 size, 470 : Proboscis, 470 : Enteric- 

 canal, 476 : Blood-vessels, 477 : Respir- 

 atory organs, 477 : Nephridia, 477 : 

 Nervous system, 478 : Reproductive 

 organs, 478 : Development, 479 : 

 Habits, distribution, &c., 480 



Hirndo, 470, 477, 4"S 



HIKUDO MEDICIXALIS, 405 : External 

 characters, 465, 466 : Body-wall, 407 : 

 .Muscular system, 407, 468:' Alimentary 

 organs, 468, 469: Excretory system. 

 470, 471 : Vascular system, 471, 472 : 

 Nervous system, 472" : Sense-organs, 

 472, 473 : Reproductive organs, 473 : 

 Development, 474 : Systematic posi- 

 tion, 470 



