GLOSSARY 189 



Heredity (L. heres, the heir), the organic relationship between 

 generations. 



Hermaphrodite {Hermes, a Greek god, and AphroditP, a Greek 

 goddess), a double-sexed organism (p. 24). 



Heterodynamous (Gr. heteros. other ; dyyiamis, power) (p. 71). 



Heterogamy (Gr. heteros, other ; gamos, marriage) (p. 20). 



Heterogeneous (Gr. heteros, other ; gcnos, kind), having the con- 

 stituent elements dissimilar. 



Heterologous (Gr. heteros, other ; logia, relation) (p. 70), 



Heterozygote (Gr. heteros, other ; zygon, yoke) (p. 124). 



Homodynamous (Gr. homos, same ; dynamis, power) (p. 71). 



Homogeneous (Gr. homos, same ; genos, kind), having the constituent 

 elemfcnts all alike. 



Homologous (Gr. homos, same ; logia, relation), corresponding in 

 relative position (p. 70). 



Homozygote (Gr. homos, same ; zygon, yoke) (p. 124). 



Hybrid (L. hihrida), a mongrel. 



Hybridist, a breeder of hybrids. 



Hybridization, the breeding of hybrids. 



Hydra-polype (Gr. hydor, water, and polype), a fresh-water animal. 



Id (p. 58). 



Idant (p. 58). 



Idioplasm (Gr. idios, one's own ; plasma, form) (p. 57). 



Immunity, immune (L. in, not ; munis, serving), exemption from 



infection (p. 115). 

 Infusorian (L. in, into; fundere, to pour), protozoa found in stagnant 



infusions of animal and vegetable matter. 

 Integral (L. integer, entire) (p. 78). 



Intra-uterine (L. intra, within ; uterus, womb), within the womb. 

 In utero (L. in, in ; uterus, womb), in the womb. 

 Invertebrate (L. iyi, negative ; vertebra, the bone of the spine), 



without a backbone. 



Karyokinesis (Gr. karyon, kernel; kinesis, motion) (p. 30). 

 Katabolism (Gr. katabole, a throwing down), the downward process 

 of assimilation in the body. 



Lamarckism, Lamarckian, the theory of Lamarck (p. 93). 

 Latent (L. latere, to lie hidden), dormant, not visible. 

 Linine (L. linum, flax) (p. 30). 



Mammal, mammalian (L. mamma, breast), animals having breasts 

 and suckling their young. 



