136 GLOSSARY. 



ENDOSTYLE (evSov, within ; o-rt/Aos, a pillar), a fold of the lining membrane of the 

 pharynx in Ascidioida. 



ENTOMOSTBACA (evrf^fa, to cut up ; farpaKov, a shell, crusta), the lower Crustacea, 

 BO called by Latreille from the segments of their bodies being unconsolida ted. 



EPHEMEBID^E (ttjrfinepw, fr. eirt and f,fj.fpa, an insect that lives a single day, Arist. 

 H. A. v. 12, 26), a family of Insects. 



EPIOTIC (firt, upon ; oSs, ear), the upper bone of the auditory capsule, part of the 

 pars petrosa in Man. 



EPIPODITE (eiri, upon ; trovs, foot), the external distal segment of the typical limb 

 of Crustacea. 



EBRANTIA (err are, to wander), a family of Annelida fitted for locomotion, included 

 under Chasiophora. 



EX-OCCIPITAL (ex, and occiput), the lateral parts of the first cranial segment, cor- 

 responding with the sides of the Foramen magnum in Man. 



FEMTJB, the thigh-bone, between the pelvis and tibia of the posterior limb of the 

 Amphibia, Sauropsida, and Mammalia. 



FIBULA (a brooch, irepo^j), the smaller external bone of the leg in the higher 

 Vertebrata, homologous with the ulna in the fore-arm. 



FIMBEIA, a fringe. 



FISSIPABOUS (fissus, cleft; pario, to bring forth), asexual generation by the 

 parent splitting into two parts, which become new individuals. 



FLAGELLTJM (a whip), the whip-like appendage to the Pilidium, q. v. 



FOBAMINIFEBA (foramen, a hole ; fero, to bear), a group of Rliizopoda which live in 

 hollow, perforated, calcareous shells : to it belong the Orthocerina, Glcfrigerina, 

 and Nummulites. 



FRONTAL (from, forehead), the upper part of the third cranial segment, corre- 

 sponding to the vertical part of the frontal bones in Man. 



GALEOPITHECUS (ya\fii, a weasel ; -iridijKos, an ape), a genus of Cologus, or flying 

 cats, placed by Linnaeus among the Lemurs, by Cuvier among the Bats, and 

 by Geoffroi St. Hilaire in the group Carnassiers, to the Insectivorous order of 

 which it properly belongs, forming a family which has been named Dermo- 

 ptera. 



GANGLION (ydyy\tov, a swelling or lump\ in anatomy a centre of the nervous 

 system, containing nerve cells, and receiving and giving out impressions. 



GANOIDEI (ydvos, brightness), an order of fishes mostly extinct, the Sauroidei of 

 Agassiz, Holostei of Miiller. 



GEMMIPABOUS (gemma, bud; pario, bring forth), asexual generation by new 

 individuals arising as buds from the body of the parent. 



GEMMULE (gemmula, dun. of gemma, a bud), an encysted mass of sponge-particles, 

 from which new ones are produced. 



GEPHTBEA (-yfQvpa, a bridge), a group which includes the families Sipunculidse 

 and Synaptidx, placed as an order of Echinodermata called Apedicellata 

 (Cuvier), Apoda (Van der Hoeven), or Vermigrada (Forbes), but now admitted 

 among the Annelida. 



GLAND (glans, an acorn), originally any smooth round viscus, now properly re- 

 stricted to those viscera which " secrete," i. e., separate certain constituents of 

 the blood by a process of cell-growth, which are afterwards poured out from 

 the gland by a duct. 



GEEGABINA (gregarius, fr. grex, a flock, occurring in numbers together), a genus of 

 Protozoa which forms the type of the class Gregarinida. 



GoBDirs, a genus of Nematoid worms, giving its name to the group Gordiacea, and 



