GLOSSARY 189 



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

 generations. 



Hermaphrodite (Hermes, a Greek god, and Aphrodite, a Greek 

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



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



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



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

 stituent elements dissimilar. 



HeteroIogOUS (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 

 elements all alike. 



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

 relative position (p. 70). 



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



Hybrid (L. hibrida], 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. infra, within ; uterus, womb), within the womb. 

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

 Invertebrate (L. in, 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. later -e, to lie hidden), dormant, not visible. 

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



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

 and suckling their young. 



