HESFEEIS 



164 



HETEROSCII 



Hesperis, ( hes'per-is ). [The Greek name.] = 



Dame's violet: an herb, with showy flowers, 



belonging to Brassicaceae. 

 Hesperornis, (hes-per-or'nis). [Gk. hesperos, 



evening: ornis, bird.] A wading bird, of 



which fossil remains are found in Cretaceous 



rocks. 

 Hesselbach's triangle, A triangular space in 



the wall of the abdomen: named after the 



discoverer. 

 Hessenbergite, (hes'sen-ber-glt). [Herr Hes- 



senberg.] A transparent mineral, chiefly 



silicates. 

 Hessian fly, (hes'shi-an). [Hessian.]=Ceci- 



domyia: an insect belonging to Diptera. 

 Hessite, (hes'sit). A grey mineral, chiefly 



tellurium and silver; also called Telluric 



silver. 

 Hessonite, (hes'so-nit) = Cinnamon stone: a 



variety of garnet. 

 Hestia, (hes'ti-a). [Classical.] No. 46 of the 



Minor Planets. 

 Hetairism, ( het-a'i-rizm ). [Gk. hetaireia, 



fellowship. ] =Communal marriage. 

 Heterangium, ( het-er-an'ji-u.n ). A fern, 



known by fossil stem. 

 Hetero, (het'er-o). [Gk. heteros, different.] 



A prefix, implying difference. 

 Heterobranchia, (het-er-6-brang'ki-a) [Hetero, 



q.v.; Gk. brangchion, gill.]= Ascidians, <fec. : 



a division of acephalous mollusca. Used by 



De Blainville for a sub-division of Acepha- 



lophora: and by Leuckart for a division of 



Gastei'opoda; also by Lamarck for a division 



of Crustacece. 

 Heterocercal, (het-er-o-serTcal). [Hetero, q. v. ; 



Gk. kerkos, tail.] With unsymmetrical tails, 



having the vertebral column continued into 



the larger of two unequal lobes; rare now; 



universal in fossil fishes of primary rocks. 



cf. Homocercal. 

 Heterocercy, (het-er-o-ser'st). [Hetero, q.v. 



Gk. kerkos, tail.] Inequality in the lobes of 



the tail. cf. Homocercy, 



Heterocercal talL 



Heterocline, ( het'er-6-klm ). [A mineral, 

 chiefly silicate of manganese. 



Heteroclite, (het'er-6-klit). [Hetero, q.v. ; Gk. 

 klinein, to bend.] Anomalous: used by 

 Cuvier for the structure of sloths and other 

 animals, departing from the primitive type. 



Heterodon, (het'er-o-don). [Hetero, q.v.; Gk. 

 odous, tooth.] 1. A serpent belonging to 

 Coluber. H. nigricans=Blaick pig-nosed ser- 

 pent. 2. A plant belonging to Bruniacese. 



Heterodonts, (het'er-6-dontz). [Hetero, q.v.; 

 Gk. odous. tooth. ]=Diphyodonts, q.v. 



Hetercecism, (het'er-e-sizm). [Hetero, q.v.; 

 Gk. oikos, house.] Different stages of deve- 

 lopment in species, used especially of fungi. 



Heterogangliate, (het-er-o-gang'gli-at). [H e . 



tero, q.v,; Gk. ganglion, kind.] Having the 

 ganglia of the nervous system unsymmetri- 

 cally arranged. 



Heterogangliata, (het-er-o-gang'li-at-a). [He- 

 tero, q.v.; Gk. ganglion, tumor.] Owen's 

 term for the Mollusca of Cuvier. 



Heterogeneous, (het-er-o-je'ne-us). [Hetero, 

 q.v.; Gk. gennao, I produce.] Differing in 

 kind. v. Heterogenesis. 



Heterogenesis, ( het-er-o-jen'e-sis ). [Hetero 

 and Genesis, q.v.] = Xenogenesis : an allo- 

 tropic modification of existing living matter, 

 so that the offspring is unlike the parent^ 

 Agamogenesis interrupted by garuogenesis, 

 being occasionally varied by sexual genesis= 

 Cyclical recurrence of the same form. Also 

 xised for spontaneous generation. 



Heterogenetic, (het-er-6-jen-et'ik). [Hetero- 

 genesis, 9.v.]=Heterogeneous, q.v. 



Heterogenite, (het-er-6'j en-it). A mineral, 

 chiefly hydrated oxide of cobalt. 



Heterologous, (het-er-ol'o-gus). [Hetero, q. v. ; 

 Gk. logos, discourse.] Constructed on a dif- 

 ferent plan; not having the same distribution 

 of parts or organs, cf. Homologous. 



Heteromera, (het-er-om'er-a). [Hetero, q.r.; 

 Gk. mera, thigh-bones.] A primary di vision of 

 beetles, named from an apparent difference in 

 the number of joints in the tarsi of the first 

 and second pairs of legs. 



Heteromorpha, ( het-er-o-mor'fa ). [Hetero, 

 q.v.; Gk. morphe, form.] 1. A genus of plants 

 belonging to Apiaceae. 2. Insects, of which 

 the larvae are worm-like and soft, and the 

 offspring have no resemblance to the parents. 

 3. De Blainville's term for sponges, infusoria, 

 and coral polyps. 



Heteromorphite, (het-er-5-morf it). , [Hetero, 

 q.v.; morphe, for m.]= Feather ore: a mineral, 

 chiefly antimoniate of lead. 



Heteronemeae, ( het-er-on-em'e-6 ). [Hetero, 

 q.v.; Gk. nema, thread.] Ferns and mosses: 

 used by Fries for Acrogens. ^ v. Fries' classi- 

 fication. 



Heteronemeous, (het-er-on-em'e-us). . Bart- 

 ling's term for mosses. ^. v. Bartling's classi- 

 fication. , - 



Heteropathy, (het-er-op'a-thi). [Hetero, q.v. ; 

 Gk. pathos, suffering.] v r. Medical science. 

 cf. Homoeopathy. 



Heterophagi, (het-er-of a-ji). 7 [Gk. ' heteros, 

 different; phago, I eat.] Used for birds who 

 feed their young, as distinguished from those 

 whose young are able to feed themselves. 



Heteropoda, (het-er-op'o-da). [Hetero, q.v. ; 

 Gk. pous, foot.] l.=Nucleobranchiata: a 

 group of animals, belonging to Gasteropoda, 

 divided into Firolidce and Atlanlidce; found 

 fossil from lowest Silurian rocks until now. 

 2. De Blainville's term for Eutomostraca, 

 Squilla, and Epizoa. 



Heteroptera,(het-er-op'ter-a). [Hetero,<?.r. ;Gk. 

 pteron, wing.] A sub-division of Hemiptera, 

 having the anterior wings half of membrane, 

 half chitinous; divided into Aurocorisa and 

 Hydrocorisa. cf. Homoptera. 



Heterorgana, (het-er*or / gana). [Hetero, q.v.; 

 Gk. organon, organ. ]=Vascular plants, q.v. 



HeteroBcii, (het-eroa'si-i), [Hetero, q.v.; Gk. 



