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HEMELYTRA. A wing, of which one half 

 is opaque and firm like the elytra of co- 

 leopterous insects. 



HEMIDACTYLE. Having an oral disc at the 

 base of the toes, as is the case with some 

 species of Saurian reptiles. 



HEMIPTERAL. Having wings or wing-cases 

 like the Hemiptera. 



HEMIPTEROUS. Belonging to the Hemiptera, 

 an order of insects in which the anterior 

 wings are half crustaceous and half mem- 

 branaceous. 



HEMORRHAGE. A flux of blood, proceeding 

 from the rupture of a blood- vessel, or some 

 other cause. 



HEPATIC. Pertaining to the liver. 



HERBICARNIVOROUS. Subsisting both on 

 vegetable and animal food. 



HERBIVOROUS. Feeding or subsisting on 

 grass and herbaceous plants. 



II KRCULEAN. Of extraordinary strength and 

 size. 



HERMAPHRODITE. An animal in which 

 male and female characteristics are com- 

 bined. 



HERMAPHRODITIC. Partaking of both sexes 



HEBPETIC. Pertaining to the herpes, or sub- 

 ject to cutaneous eruptions. 



HERPETOLOGY. The natural history of rep- 

 tiles. 



HESPERIAN. Western ; inhabiting a west- 

 ern country. 



HETEROCLITE. Anomalous ; deviating from 

 the ordinary form, &c. 



HETERODACTYLE. Having the toes irre- 

 gular, either as to number or formation. 



HETEROGANGLIATE. Having the ganglionic 

 nervous system, and the ganglions often 

 unsymmetrically scattered. 



HETEROGENEOUS. Dissimilar or different 

 in kind or nature. 



HETEROMORPHOUS. Of an irregular or un- 

 usual form. A term applied to the larva 

 of certain insects which differ in form from 

 the imago, and which is applicable to the 

 true larval state of all : also, when the two 

 intermediate joints in the palpi of insects 

 are vastly larger than the first and last. 



HETEROPODOUS. Pertaining to the Hetero- 

 poda, an order of the class Mollusca. 



HETEROSTROPHE. Reversed : a term applied 

 to shells whose spires turn in a contrary 

 direction to the usual way. 



HEXADACTYLOUS. Having six toes. 



HEXAPOD. An animal with six legs, such 

 as a true insect. 



HEXAPED. Haying six feet. 



HIDE. The skin of an animal, either raw 



or dressed. 



1 HIDEBOUND. When the skin sticks so closely 

 to the ribs and back of an animal as not 

 to be easily loosened or raised. 



HIND. The female of the Bed Deer or Stag. 



H.IPPOPHAGGUS. Feeding on horse-flesh. 



HIXGE. The part where the valves of a bi- 

 valve shell are united, consisting of liga- 

 ment and teeth. 



HIRSUTE. Thickly set with long, stiflish, 

 rough hairs ; shaggy. 



HISPID. Beset with bristles or stiff hairs. 



HISTOLOGICAL. Pertaining to the doctrine | 

 of the tissues which enter into the forma- 

 tion of an animal and its various organs. 



HIVE. A box or kind of basket for the re- 

 ception and habitation of a swarm of 

 honey-bees ; or the bees inhabiting a hive. 

 Also, to collect into a hive. 



HOARY. White or gray with age ; covered 

 with a whitish pubescence. 



HOLOSERICEOUS. Covered with thick-set 

 short decumbent hairs, a kind of pubes- 

 cence resembling satin. 



HOMOGANGLIATE. Pertaining to the gan- 

 glionic nervous system in animals, and 

 symmetrical arrangement of the gan- 

 glions. 



HOMOGENEOUS. Of the same kind or nature. 



HOMOLOOUE. The same organ in different 

 animals under every variety of form and 

 function. 



HOMOLOGOUS. Proportional to each other. 



HOMOMORPHOUS. Of similar form. 



HOMOPTERA. A section of the Hemipterous 

 order of insects, whose four wings have a 

 similar structure. 



HONEY-BAG. The stomach of a honey-bee. 



HONEY-COMB. A thick, viscid, tenacious 

 substance, formed by bees into hexagonal 

 cells for repositories of honey, and for the 

 eggs which produce their young. 



HOOF. The horny substance that covers the 

 feet of certain animals, as horses, oxen, 

 deer, &c. 



HOOF-BOUND. A term denoting that the 

 horse or other hoofed animal has a pain 

 in the fore-feet, occasioned by the dryness 

 and contraction of the horn, which often 

 occasions a lameness. 



HUMBLES : UMBI.ES. The entrails of a deer. 



HUMERUS. Pertaining to the humerus or 

 shoulder ; as, the humeral artery. 



HUNTER. A man who, either for sport or 

 for food, pursues wild animals with a view 

 to take them. A horse used in the chase. 



HYALINE. Glassy ; thin ; transparent. The 

 pellucid substance which determines the 

 spontaneous fission of shells. 



HYBERNACULUM. HIBERNACLE. A place 

 chosen by an animal for its winter re- 

 treat. 



HYBEKNATE. To pass the winter season in 

 close quarters or in seclusion, and some- 

 times in a dormant state. 



HYBRID. Produced from the mixture of two 

 species. A mongrel. 



HYBRIDIZE. To procreate by the mixture 

 of two different species ; to propagate 

 mongrels or mules. 



HYDATID. A little transparent vesicle con- 

 taining serous fluid, sometimes found de- 

 tached in the body of an animal, and 

 sometimes adhering to the different vis- 

 cera. Some have an organized head and 

 neck, possess an independent vitality, and 

 are considered as constituting distinct 

 animals. 



HYDRIFORM. Formed like the fresh-water 

 polypes to which the name of Hydra is 

 given. 



HYDROPHOBIA. A preternatural dread of 

 water ; a symptom of canine madness, or 

 the disease itself. 



HYDROZOA. The class of polypi organized 

 like the Hydra. 



HYEMAL. Belonging to winter. 



HYMENOPTEROUS. Pertaining to the Hy- 



