386 GLOSSARY. 



FAUNA (Lat. Fauni, the rural deities of the Romans). The general assemblage 

 of the animals of any region or district. 



FAVOSITES (Lat. favus, a honeycomb). A genus of Tabulate Corals. 



FENESTELLIDJ-: (Lat. fenestella, a little window). The " Lace-corals," a group 

 of Palaeozoic Polyzoans. 



FILICES (Lat. jUix, a fern). The order of Cryptogamic plants comprising the 

 Ferns. 



FILIFORM (Lat. filum, a thread ; forma, shape). Thread-shaped. 



FLORA (Lat. Flora, the goddess of flowers). The general assemblage of the 

 plants of any region or district. 



FORAMINIFERA (Lat. foramen, an aperture ; fero, I carry). An order of Pro- 

 tozoa, usually characterised by the possession of a shell perforated by numer- 

 ous pseudopodial apertures. 



FRUGIVOUOUS (Lat. frux, fruit ; voro, I devour). Living upon fruits. 



FUCOIDS (Lat. fucus, sea-weed ; Gr. eidos, likeness). Fossils, often of an 

 obscure nature, believed to be the remains of sea-weeds. 



FUSULINA (Lat. fusus, a spindle). An extinct genus of Foraminifera. 



GANOID (Gr ganos, splendour, brightness). Applied to those scales or plates 

 which are composed of an inferior layer of true bone covered by a superior 

 layer of polished enamel. 



GANOIDEI. An order of Fishes. 



GASTEROPODA (Gr. gaster, stomach ; pous, foot). The class of the Mollusca 

 comprising the ordinary Univalves, in which locomotion is usually effected by 

 a muscular expansion of the under surface of the body (the "foot"). 



GLOBIGERINA (Lat. globus, a globe ; gero, I carry). A genus of Foraminifera. 



GLYPTODON (Gr. glupho, I engrave ; odous, tooth). An extinct genus of Arma- 

 dillos, so named in allusion to the fluted teeth. 



GONIATITES (Gr. ffffnia, angle). A genus of Tetrabranchiate Cephalopods. 



GRALLATORES (Lat. grallce, stilts). The order of the long-legged Wading Birds. 



GRAPTOLITIIXS; (Gr. grapho, I write ; lithos, stone). An extinct sub-class of 

 the Hydrozoa. 



GTMNOSPERMS (Gr. gumnos, naked ; sperma, seed). The Conifers and Cycads, 

 in which the seed is not protected within a seed-vessel. 



HALITHEHIDM (Gr. lials, sea ; therion, beast). An extinct genus of Sea-cows 



(Sirenia). 



HAMITES (Lat. hamus, a hook). A genus of the Ammonitidee. 

 HELIOPHYLLUM (Gr. helios, the sun ; phullon, leaf). A genus of Rugose 



Corals. 

 HELLADOTHERIUM (Gr. Hellas, Greece ; tJierion, beast). An extinct genus of 



Ungulate Mammals. 

 HEMIPTERA (Gr. hemi ; and pteron, wing). An order of Insects in which the 



anterior wings are sometimes " hemelytra." 

 HESPERORNIS (Gr. Hesperos, the evening star ; m-nis, bird). An extinct genus 



of Birds. 

 HETEROCERCAL (Gr. heleros, diverse ; kerkos, tail). Applied to the tail of 



Fishes when it is unsymmetrical, or composed of two unequal lobes. 

 HETEROPODA (Gr. Jieteros, diverse ; podes, feet). An aberrant group of the 



Gasteropods, in which the foot is modified so as to fonn a swimming organ. 

 HIPPARION (Gr. hipparion, a little horse). An extinct genus of Kquidcu. 

 HIPPOPOTAMUS (Gr. hippos, horse ; potamos, river). A genus of Hoofed Quad- 

 rupeds the "River-horses." 

 HIPPURITID^; (Gr. hippos, horse ; oura, tail). An extinct family of Bivalve 



Molluscs. 

 HOLOPTYCHIUS (Gr. holos, whole; pluclte, wrinkle). An extinct genus of 



Ganoid Fishes. . 



HOLOSTOMATA (Gr. holos, whole ; stoma, mouth). A division of Gasteroj>odous 



Molluscs, in which the aperture of the shell is rounded, or " entire." 

 HOLOTHUROIDEA (Gr. fiolotfiourion ; and eidos, fonn). An order of Echinoder- 



mata comprising the Trepangs. 



