386 GLOSSARY. 



Fauna (Lat. Fauni, the rural deities of the Eomans). The general assemblage 

 of the animals of any I'egion or district, 



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



Feis'ESTEllid^ (Lat. fenestella, a little window). The " Lace-corals," a group 

 of Palaeozoic Polyzoans. 



FiLiCES (Lat. Jilix, a fern). The order of Cryptogamic plants comprising the 

 Ferns. 



Filiform (Lat. jilum, a thread ; fornia, shape). Thread-shaped. 



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

 plants of any region or district. 



FoRAMLNiFERA (LoX. 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. 



Frugivorous {hdit. 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 ; })ous, 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. 



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

 dillos, so named in allusion to the fluted teeth. 



GoNiATiTES (Gr. gonia, angle). A genus of Tetrabranchiate Cephalopods. 



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



Graptolitid^ (Gr. graplio, 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. 



Halithebium (Gr. hols, sea ; tlierion, beast). An extinct genus of Sea-cows 



{Sirenia). 

 Hamites (Lat. hamus, a hook). A genus of the Ammonitidce. 

 Heliophyllum (Gr. kelios, the sun ; ph^dlon, leaf). A genus of Rugose 



Corals. 

 Helladotherium (Gr. Hellas, Greece ; tlierion, beast). An extinct genus of 



Ungulate Mammals. 

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



anterior wings are sometimes " hemelytra." 

 Hesperornis (Gr. Hesperos, the evening star ; amis, bird). An extinct genus 



of Birds. 

 Heterocercal (Gr. heteros, .diverse ; kerkos, tail). Applied to the tail of 



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

 Heteropoda (Gr. heteros, diverse ; podes, feet). An aberrant group of the 



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

 HiPPARiON (Gr, Idpparion, a little horse). An extinct genus of EquwLoe. 

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

 rupeds — the "River-horses." 

 HiPPURiTiD^ (Gr. hippos, horse ; aura, tail). An extinct family of Bivalve 



Molluscs. 

 HoLOPTYCHius (Gr. holos, whole ; ptuche, wrinkle). An extinct genus of 



Ganoid Fishes. 

 HoLOSTOMATA (Gr. ]iolos, whole ; stoma, mouth). A division of Oasteropodous 



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

 Holothuroidea (Gr. holothourion j and eidos, form). An ordev of SchinodeT' 



viaia comprising the Trepangs. 



