HTTNTER 



172 



HYDANTOIC ACID 



Hunter's theory of life: that it is the cause 



and not the consequence of organization. 

 Hunterite, ( hun'tr-it). [Mr. Hunter. ]= 



Cimplite: a mineral 

 Hunting-cog. An odd tooth in a train of 



wheelwork. v. Wheel-train. 

 Hura, (ho'ra). A plant belonging to Euphor- 



biacea?. H. crepitcms=Sa.n<l box tree: has 



poisonous seeds. 

 Huronian rocks, (ha-ro'ni-an). [Lake Huron.] 



A group of primary rocks; chiefly quartzite; 



of great, thickness ; above Laurentian, and 



below Cambrian rocks. 



Hurria=Hurriah=Coluber hurriah: a snake. 

 Hurricane, (hur'ri-kan). [Modification of a 



Caribbean word.] A violent wind, moving 



at from 30 to 120 miles per hour. 

 Button's theory: that present existing causes 



have produced all geological phenomena. 

 Huttonians = Vulcanists = Plutonists : geolo- 

 gists holding Button's theory. 

 Huxley's classification of animals. A mor- 

 phological arrangement, dependent on the 



general structure. 



Vertebrata. 



Mollusca. Annnlosa. 



Molluscoida. Annuloida, 



Cosleuterata. Infusoria. 



Protozoa. 



Huxley's classification of Primates : 

 AnthropidserrMan. 

 8imiad8e=Monkeys. 

 Lemurida3= Lemurs. 

 Huxley's classification of Birds: 

 Saururae. 

 Ratitfo. 

 Carinataa. 

 Hyacinth, ( hi'a-sinth ). [Hyacinthus,' the 



Latin name.] 1. A mineral, 



chiefly silicate of zirconium. 



2. A plant = Hyacinthus. 



Wild H. = Scilla nutans. 



Grape /f.=Muscari como- 



sum. Starch Z/.=Muscari 



racemosum . 

 Hyacinthin, (hl-a-sin'thi- 



ne). [ Hyacinth, q.v. ]= 



Liliacese, q.v. 

 Hyacinthus, (hi-a-sin'thus). 



[The Latin name.]=Hya- 



cinth: a plant belonging to 



Liliacese. H. nutans=. 



Harebell. 

 Hyades, (hl'a-dez). [The Latin name.] A 



group of stars surrounding Aldebaran. v. 



Star clusters. 

 Hyaena, (hi-e'na). [The Latin name.]=Canis 



hyaena: a carni- 

 vorous animal, 



remarkable for 



its ferocity, pro- 

 bably an aberrant 



form of Viverra : 



has four toes only 



on each foot ; 



found chiefly in 



S. Africa and S. 



Asia. Cave H.= Hysena. 



H. spelaeus or spelaea. Fossil H. found in 



Hyacinth. 



Miocene rocks. Spotted H. = H. crocata. 

 Hunting H. = H. rfogr=Lycaon pictus. H. 

 viMosa=Strand-wolf. 



Hyaenic acid, (hi-e'nik). [Hyaena, q.v.] 



nd 



o: a buttery musky substance, fou 

 in the anal glands of the hyaena. 



Hyaenictis, (hi-e-nic'tis). [Hyscna, q.v.] An 

 animal, intermediate between the hyaena and 

 civet, known only by fossil remains found in 

 the Miocene of Pikermi. 



Hyaenina, (hi-e'ni-na). [Hysena. ]=Hyaenida>: 

 a family of carnivorous animals, of which 

 the hyaena is the type. 



Hysenodon, (hi-e'no-don). [Hyrena, q.v. Gk. 

 odous, tooth.] A carnivorous animal, re- 

 sembling the hysena, known only by fossil 

 remains found in Upper Eocene rocks. 



Hyaline, (hi'a-lin). [Gk. hyalos, glass.] Vitre- 

 ous: resembling glass. H. quartz=.Rock- 

 crystal. H. shells= Vitreous shells. 



Hyalite, (hi'a-lit). [Gk. hyalos, glass; lithos, 

 stone. ]=Muller's glass: a variety of opal. 



Hyaloid membrane, (hi'a-loid). [Gk. hyalos, 

 glass ; eidos, form.] In the human eye: a 

 delicate transparent membrane investing the 

 vitreous body. 



Hyalonema, (hl-a-lon'e-ma). [Gk. hj/alo*, 

 glass.] H. lusitanicum: probably a siliceous 

 sponge; found at the bottom of the Atlantic; 

 also called glass-plant and glass-rope, ft. 

 Sieboldii: a sponge, the stem of which is 

 called flint-rope. i 



Hyalonemadae, (hi-al-on-em'a-dC). [Gk. hjialns, 

 glass.]=Glass Zoophytes : adivisionof .spon- 

 gida, q.v. considered to be siliceous sponges; 

 also considered as belonging to Actinozoa. 



Hyalophane, (hi'al-o-fan). [Gk. hyalos, glass; 

 phaino, I appear.] A mineral of the Felspar 

 group. 



Hyalosiderite, (hl-al-o-sid'er-It). [Gk. Jiyalos, 

 glass; sideros, iron.]=Chrysolite, q.v. 



Hybernation, (hi-ber-na'shun). [L. hiberna, 

 winter dwelling.] Lying dormant during 

 winter. 



Hybodontes, (hi-bo-don'tez). [Gk. hj/boi, 

 curved; odous, tooth.] Fishes, somewhat 

 resembling the shark, known by fossil teeth 

 and other remains, found chiefly in Mezozoic 

 rocks. 



Hybodus, (hl'bo-dus). [Gk. hybos, curved; 

 odous, tooth.] A placoid fish, resembling 

 the shark, many species of which are known, 

 but only by fossil teeth and spines, found in 

 the Lias and Trias. 



Hybrid, (hi'brid). [Hibrida, the Latin name.] 

 A plant or animal, the offspring of parents 

 of different species: as the mule. Sometimes 

 expressed by the two names, that of the 

 male parent being first. 



Hybridism, (hi'brid-izm). [Hybrid, q.v.] Has 

 its zero of fertility between different families; 

 and its maximum of fertility often between 

 different species of the same genus. 



Hybridization, (hi-brid-i-za'shun). [Hybrid, 

 q.v.] Fertilization of one individual by an- 

 other of a different species. 



Hydantoic acid, (hi-dan-to'ik). 1. C^NnO.,: 

 a crystalline substance; also called Glycoluric 

 acid. 2. Also formerly=Allautoic acid. 



