Index and Glossary. 



139 



EUP 



Euplectella, a sponge called Venus, 

 flower-basket, 31 



Euplexoptera, an order of insects, 

 including earwigs, 124 



Euplotes, a minute animalcule, 28 



Exoskeleton, an external firm frame- 

 work for the purpose of protection 

 or support, 96 



T7AMILY, a group of genera, n 



A Fauna, the collective name 

 for all the animals of a country, 

 15 



Feather stars, 50 



Femur, the thigh bone in verte- 

 brates, or the third joint of an in- 

 sect's leg, 119 



Fission, the process of multiplication 

 in animals by splitting, 5 



Flagellata, a group of microscopic 

 animals, 28 



Flagellum, a minute vibratile hair- 

 like filament which is the chief 

 organ of locomotion of the Flagel- 

 lata. 



Fleas, 128 



Flies, 128 



Flukes, parasitic worms, 63 



Food, i 



Foraminifera, a group of microscopic 

 shells, 19 



Function, the office performed by 

 any organ or part of the body, 3 



Fungia, a mushroom-like coral, 46 



C* ALATHEA, a genus of bivalve 



^ shells, 83 



Galea, part of an insect's head, 



117 (fig.) 

 Gall-flies, the flies which produce 



nut-galls on oaks, &c. 

 Gallyworms, 112 

 Ganglion, a swelling on a nerve 



which acts as a centre for the 



evolution of nerve-force. 

 Gasteropoda, a class of molluscs, 89 i 

 Gemmation, multiplication by the ! 



production of buds, 5 

 Genus, a group of closely allied 



species united under a common 



name, n 

 Gephyrea, a group of marine worms, 



67 

 Gills, vascular organs which are 



fitted for aerating the blood which 



KOI 



they contain, by means of the air 

 dissolved in the water which bathes 

 them. 



Gizzard, a stomach with thick mus- 

 cular walls. 



Globigerina, a minute shell, 18 

 Gordiaceae, threadworms, 68 

 Gorgonia, a horny coral, 46 

 Grantia, a sponge, 32 

 Gregarinae, microscopic parasites, 



LJ AIRY-BAIT, 71 



1 A Halichondria, a sponge, 32 



Heliophrys, 22 



Heliozoa, minute animals found in 



bog pools, 22 

 Hessian fly, 129 

 Hinge of shells, 83 

 Hirudinea, leeches, 68 

 Holothuroidea, sea cucumbers, 56 

 Host, an animal inhabited by a 



parasite. 



Hyalonema, a sponge, 31 

 Hydra, a minute fresh water polype, 



3 2 

 Hydroida, animals like the hydra, 



Hymenoptera, an order of insects, 

 including ants and bees, 132 



JCHNEUMON, a group of flies, 



Imago, the perfect or adult state of 



an insect, 122 

 Infusoria, animals found in stagnant 



waters, 25 

 Insecta, 98 



Integument, the skin of an animal. 

 Iridescent, producing a play of 



colours by decomposing incident 



rays of light 



Isis, a genus of corals, 46 

 Isopoda, an order of crustaceans, 



including woodlice and their 



allies, 103 



TELLY-FISHES, 3 



IT'OINOSITES, animals which 

 1V live on, and feed with, their 

 hosts, 17 



