494 



INDEX AND GLOSSARY 



minate sex : — Heteromita, 41 : Mucor, 

 156 : Spirogyra, 198 : Vaucheria 175 



(Hunob'lnm (ya/iof, marriage '. 0tot, life), 

 the sexual generation in organisms ex- 

 hibiting alternation of ^enerations(^.f.) : 

 progressive subordination of, to agamo- 

 bium in vascular plants, ^ag, 440, 444, 

 458, 474 



Oangllon (yayyAiof, a tumour), a swelling 

 on a nerve-cord in which nerve-cells are 

 accumulated, 341 



OastrlG juloe (yaonip, the stomach), pro- 

 perties of, 12 



Gastric mill, 334 



Oastrolith (yacrnip, stomach : KiBot, 

 stone), 334 



Oaatrula (diminutive of yatrr^p, the 

 stomach), the diplohlastic stage of the 

 animal embryo in which there is a diges- 

 tive cavity with an external opening : 

 characters and Figure of, 39s '.contrasted 

 with phyllula, 438 



Oemma'tlon (ji^<-/;/ ///<!, a bud). See Bud- 

 din>; 



0«nera tlon, asexual. See Agamobium. 



OeneratlOU, sexual. Sec Gamobium. 



Generations, Alternation of. Sec Al- 



tcrnalii)!! of Kcncralioiis. 



Oeneratlve oell, 4ss 



Oeneratlye nucleus, 474 



Oen'erallZAd, meaning of term, 140 



Oe'nus (xtHHs, a race), generic name, 

 generic characters, 8, 139 



Oerm-fllt«r, 99 



Oer'mlnal spot, the nucleolus of the 

 ovum, 357 



Oermlna'tlon {xerminaiio, a budding), 

 the sprouting of a spore, zygote, or 

 oosperm to lorm the adult plant : for 

 germination of the various types see 

 under their names. 



Oill, an aquatic respiratory organ. 335, 357, 



383 



Qland (^glaiu, an acorn), an organ of 

 secretion (qv.) : gland-cells, 328, 

 278 



OlOChld'lum, larva of Mussel, 365 



Oon'ad (ybi-ot, offspring, seed), the essen- 

 tial organ of sexual reproduction, 

 whether of indeterminate or aeterminate 

 sex, i.e. an organ producing either un- 

 differentiated gametes, ova, or sperms ; 

 see under the various types, and espe- 

 cially 172, 198, 211, 390 



Oon'oaUCt {gontui and <iaco, to lead), a 

 tube carrying the ova or sperms from the 

 gonad to the exterior, 393 



Orapping-lines, Diphyes, 349 



Green gland See Kidney 



Growing point : Nitella, 3o8 : Moss, 403 : 



Kern, 418: Gymnosperms, 453 

 Growth, 13 



Guard-cells of stomates, 421 

 Gullet, the simple food-tube of Infusoria, 



47, ito : or part of the enteric canal of 

 the higher animals, 377 



GTMNOSPERMSCyuMixk, naked -.airipua 

 seed) : Kigures, 449, 4S3, 455, 456, 457 : 

 general characters, 447 : structure and 

 growth of stem, 448 : structure of cones 

 and sporophylls, 453 ". reduction of gamo- 

 biuin(prothalli and gonads), 460 tpollina- 

 tion and fertilization, 458 : (orniation of 

 seed and development of leafy plant, 459 



GynCBO'ium (yve^, a female : oIkov, a 

 dwelling), the collective name for the 

 female sporophylls in the (lower of 

 Angiosperms, 465, 471 



H 



Hnm'atoohrome (€S.ita, blood : vpwiia, 



colour), a red colouring matter allied to 

 chlorovhyll, 26 



HJEMATOCOC'CnS aliia, blood : kokkov 

 a berry). — Figure, 24: general characters, 

 23 : rate of progression, 23 : ciliary move- 

 ments, 25, 33 : colouring matters, 26 : 

 motile and stationary phrases, 28 : nutri- 

 tion, 38 : source of energy, 30 ; reproduc- 

 tion, 35 : dimorphism, 35 : animal or 

 plant? 180 



Hsamoglob'in (al/oia, blood : globus, a 

 round body, from the circular red cor- 

 puscles of human blood), 58 : properties 

 and functions of, 380 



Head-kidney : trochosphere, 297 



Heart '.—Crayfish, 337 : Mussel, 360 : 

 Dogfish, 384 



Heat, evolution of by oxidation of proto- 

 plasm. 17 



Heat-rlgor {rjgor, stiffness), heat-stiffen- 

 ing, 21 



Hellotroplsm, 168 



Hepato-panoreas (i^irap, liver : irayxpeo?, 

 swcetlirtMd), 335 



Heredity {lii->r,iitas, heirship), 147 



Hermaphrodite (cpuou/tpdjiro;, from 

 HcrnicsaiKl .Xphrodito). See Monoecious. 



HeterOgen'eSlS (iiTi!po<!, different : y«Vf<rts, 

 origin), meaning of term, 102 : supposed 

 cases of, 103 : not to be confounded with 

 mei.ninor|)liosis or with evolution, 104 



HETEROMITA (ertpos, different : fitVo?. 

 a llire.-id) :- Figure, 38 : occurrence and 

 general characters, 36 : movements, 37 : 

 nutrition^ 37 : asexual reproduction, .jo : 

 conjugation, 41 : development and life- 

 history, 42, 43 : animal or plant? 181 



High and low organisms, io6 



Higher (triploblastic) animals, uniformity 

 in general structure of 304 



Higher (vascular) plants, uniformity in 

 general structure of, 431 



HlStol'Ogy (IcTTiov, p. thing woven : Aoyo?, 

 a discussion), minute or microscopic 

 anatomy, 289 



