INDEX 



Belie, 748, 749 



//« lix >i< month*, 742 

 HemipwButtet radiiatu*, 423 



Hemiptera, 033*. 638, (>.">3 

 Ht'iiiisoincs. 43* 

 H<l>atic cieca, 407 

 Hepato-pancreas, 34, .">IH 

 Hermaphrodite, 39* 

 Hermit-crabs, 569, 688, 689 

 Hoi init-crabs and Hvdractinia, 144 

 HerpolxUUa, 516, 519, 620, 522 

 Herpobdellida, 516* 



Hi MOmtfa, 47.") 



Heterocoela, 112* 



Heterocotylea— Nee Monogenetica, 262 



//. U >•<><• t/i mi'/" , 230, 232 



Heterogamy, 41* 



Heterogeny, 277*. 287, 310* 



Heteromita, 71, 72, 75, 76 



Heteromyaria, 698* 



Heteronemertini, 296* 



//. •■ rout r< /,*, 440, 4.~>0 



Heteropoda, 733*, 738. 740, 756 



Heterotrichous, 92*. 94 



Hexacanth embryo, of Tun in, 250: 



Cestodes, 280 

 Hexactinellida, 112*, 120,123, 126 



Ihjnrtiui.f, 196, 200 



Hexarthra, 328, 33(1, 332, 335 



Hinge ligament, 682 . 



Hinge-line, 361, 682 



Hinge-teeth, 361, 683 



Hippa, 569, 589, 603 



Hippurites, 700, 701 



Hirudinea. 439, 506: Example, 50ft: 

 Distinctive characters and classifica- 

 tion, 515: (Jeneral organisation, 517: 

 Form and size, 517 : Seta*, 518 : Pro- 

 boscis, 518: Enteric canal, 518 : Blood- 

 vessels, 518 : Respiratory organs, 519 : 

 Nephridia, 519, 520 : Nervous system, 

 520 : Sense-organs, 520 : Reproductive 

 organs, 520 : Development, 520, 521 : 

 Habits, distribution, &c, 522, 524 



Hiriidinidir, 517* 



Hirudo, 520, 522 



Hirudo muetmlit, 506, 510, 511 



Hirudo medicinai.is, .">< Ki : External 

 characters, 506, 507: Body-wall, 508. 

 Muscular system, 508, 509 : Alimentary 

 organs, 509. 510 : Excretory system, 

 510,511, 512: Vascular system, 512, 

 513 : Nervous system, 513 : Sense- 

 organs, 514 : Reproductive organs, 

 514: Development, 515: Systematic 

 position, 517 



Hi KIT DO QCINQUESTRIATA— See H. MKIH 

 (IN AI.IS 



Hirudo mMmguisuga, 522 



Histology, 3* 



Hisiriolxldlea, 336, 338, 339, 524 



Holarctic. 9* 



Holoblastic, 22* 



Holophytic, 65*, 69, 72, 78 



/ln/i>/hnrin — tiee Sea-cucumber 



Holothurian — See Colochirus 



Holothuroidea : Example, 401 : Distinc- 

 tive characters and classification, 412 : 

 ( Uneral form, 416 : Modifications of 

 form, 423 : Coelome, 425 : Ambulacral 

 system of vessels, 426 : Blood- vascular 

 system, 426 : Hremal system, 427 : 

 Axial organ, 428 : Enteric canal, 428 : 

 Respiratory trees, 428 : Cuvierian 

 organs, 428 : Nervous system, 429 : 

 Reproductive organs. 429 : Develop- 

 ment, 430 : Ethology, 434 



Holotrichous, 89, 92*, 94 



Holozoic, 65*, 69 



Homalogaster, 257 



Honiara*, 569, 599 



Homocoela. 112* 



Hood, 779* 



Hook-headed worms, 297 



Hoplocarida, 569* 



Hormiphora plumosa, 211 : External 

 characters, 211, 212 : Enteric system, 

 213, 214 : Cell-layers, 215 : Nervous 

 system, 216 : Sense-organs, 216 : Re- 

 productive organs, 216 : Development, 

 217, 218, 219, 220 : Systematic posi- 

 tion, 221 



Host, of parasite, 84: intermediate, 87 



Houseiflies, 619, 635 



Hyaline cartilage, 26*, 27 



H yalonema, 120, 127 



Hyafoxphenia, 49 



Hybrid 2* 



Hydatids, 282* 



Hydatina, 328, 331 



Hydra, 133, 147, 148, 153, 167, 168 



Jli/dractiiiia, 144, 145, 149, 167 



Hydranths, of Obdia, 129*, 148, 187 



Hydrocele, 390 



Hydrocorallina, 142*, 156, 157, 158, 159, 

 167 



Hydrocorallina, distribution, 159 



Hydrocteiia, 227 



Hvdroids, naked-budded, 143* : covered- 

 budded, 143* 



lfi/i/ro/,fii/ns, 650 



Hydrophyllia, of Halistemma, 1 GO*, 160 



Hydrorhiza, 128* 



Hydrospires, 414* 



Hydrotheca, of Obdia, 129*, 130, 167 



Hydrozoa, 128: Example, 128: (Jenoral 

 structure and classification, 140: Alter- 

 nation of generations, 141 : System- 

 atic position of example, 142 : General 

 remarks on, 167 



1 1, id ntlu. 139*. 140, 153, 229 



Hymenoptera, 630*, G3S. 642, 646, 649, 

 653 



Hyperia, 568 



Hypoblast, 23* 



Hypodermic impregnation, 334, 520 



