Herd 



A group of animals, especially cattle or big game. cf. 



Band. 



Herding, Close 



Handling a band of sheep or goats in a compact group 

 and restricting the spread of the animals while grazing. 



Herding, Open 



Handling a band of sheep or goats so the individuals 

 are allowed to spread freely while grazing. 



Heredity 



The transmission of characters or directions from parents 

 to offspring, or the sum total of such characters. 



Hermaphrodite 



A plant with stamens and pistil in the same flower or an 

 animal that produces both male and female Gametes, e.g., 

 the rose, earthworm, cf. Dioecious, Gynandromorph. 



Herpesian 



Refers to reptiles or amphibians. 



Herpetology 



The branch of zoology concerning reptiles and 

 amphibians. 



Heteroecious 



Refers to organisms having stages of its life-cycle on 

 different hosts, e.g., wheat rust which attacks wheat and the 

 barberry. 



Heterogamy 



(1) The production of unlike Gametes (egg and sperm), 

 cf. Isogamy. (2) Alternation of generations (q. v.). 



Heterogenesis 



See Alternation of generations. 



171 



