GLOSSARY. 379 



Applied to the strata which contain the remains of animals and plants, to which 



remains' Geologists now restrict the term Fossil. 

 FucivoRous. (Lat. fucus, sea- weed ; and voroy I devour.) Animals which subsist 



on sea-weed. 

 FusiFORjvL (Lat. /itSMS, a spindle; and /orraa, a shape.) Spindle-shaped. 



Ganglion. ( Gr. gagglion, a knot. ) A mass of nervous matter, forming a centre 



from which nervous fibres radiate. 

 Gasteropoda. (Gr. gaster, stomach ; pous, a foot.) That class of molluscous 



animals which have the locomotive organ attached to the under part of the body. 

 Gemmifarous. (Lat. gemma, a bud ; pario, I bring forth.) Propagation by the 



growth of the young, like a bud from the parent. 

 Gemmule. (Dim. oi gemma.) The embryos of the radiated animals at that stage 



when they resemble ciliated monads. 

 Globose. (Lat. globus, a globe.) Globe-shaped. 

 Glossology. (Gr. glosse, the tongue j Gr. logos, discourse.) The science of 



scientific language. 

 Granules. ( Dim. of ^rrawwrn, a grain. ) Little grains. 

 Gynglymoid. (Gr, gigglumos, a hinge.) A joint formed for motion on one plane. 



Haustellate. (Lat. haurio, I drink.) The structure of mouth adapted for 

 drinking or pumping up liquids ; also the insects which possess that kind of 

 mouth. 

 Heljiinthoid. (Gr, helmins, an intestinal worm.) Worm-shaped. 

 Hemelytra. (Gr. hemisu, half; elytron, a sheath.) A wing, of which one half is 



opaque and firm like an elytrum. 

 Hemiptera. (Gr. hemisu, half; pteron, a wing.) The order of insects in which 



the anterior wings are hemilytra. 

 Hepatic. (Lat. hepar, liwer.) Belonging to the liver. 

 Herbivorous. (Lat. herha, grass; voro, I devour.) The animals which subsist on 



grass. 

 Hermaphrodite, {Hermes, Mercury; Aphrodita, Venus.) An individual in which 



male and female characteristics are combined. 

 Heterogangliate. (Gr. Ae^eros, diverse ; gagglion.) The animals with the gan- 

 glionic nervous system, and the ganglions scattered often unsymmetrically.] 

 Heteromorphous. (Gr. heteros, another; morphe, form.) Of an irregular or 



unusual form, applied to the larvae of certain insects which differ in form from 



the imago, and applicable to the true larval state of all insects. 

 Hexapod. (Gr. hexa, six ; pous, a foot.) The animals with six legs, such as true 



insects. 

 Histological. ( Gr. histos, a tissue ; logos, discourse. ) The doctrine of the tissues 



which enter into the formation of an animal and its diflferent organs. 

 HoMOGANGLiATE. ( Gr. Jiomos, like; ganglion.) The animals with the ganglionic 



nervous system and symmetrical arrangement of the ganglions. 

 HoMOLOGUE. (Gr. homos ; logos, speech.) The same organ in different animals 



under every variety of form and function. 

 HoMOMORPHOus. ( Gr, Aowos, like ; morphe, form.) Of similar form. 

 HoMOPTERA. ( Gr. homos, like ; pteron, a wing. ) The insects in which the four 



wings have a similar structure, but restricted in its application, to a section of 



Hemiptera. 

 Hyaline. (Gr. hualos, crystal.) The pellucid substance which determines the 



spontaneous fission of cells. 

 Hydatid. (Gr. hudatis, a vesicle.) A bladder of albuminous membrane, con- 

 taining serous fluid ; generally detached ; sometimes with an organised head 



and neck. 

 Hydra. (Gr. hudra, a water-serpent.) The modern generic name of freshwater 



Polypes. 

 Hydriforsi. Similarly-formed Polypes. 

 Hydrozoa. (Gr. hudra; zoow, animal.) The class of Polypi organised like the 



Hydra. 

 HviiENOPTERA. ( Gr. humen, a membrane ; pteron, a wing.) The order of insects 



including the bee, wasp, &c. which have four membranous wings. 



