30 



GLOSSARY. 



applied to intestinal worms with 

 long flat bodies, as the tape-worm. 



Cestra'cionts (Gr. Kea-rpa, kestra, a 

 kind of fish). A family of fishes, 

 mostly fossil, of which the Port 

 Jackson shark is a type. 



Ceta'ceous (Gr. KTJTOS, Jcetos, a whale). 

 Belonging to the order of mamma- 

 lian animals of which the whale is 

 a type. 



Chala'za (Gr. x Act C> chala'za, a 

 small tubercle). The twisted mem- 

 branous cord attached at each end 

 of the yolk of an egg ; in botany, 

 an expansion at the base of an 

 ovule, uniting the coverings with 

 the nucleus. 



Chalyb'eate (Gr. x ^^ chalubs, 

 steel). Containing iron. 



Chame'leon (Gr. x /-" 1 ") chamai, on the 

 ground ; Xewi/, lean, a lion). A kind 

 of lizard ; in. chemistry, a manganate 

 of potassa, from the changes in colour 

 which its solution undergoes. 



Cflia'os (Gr. x aos > chaos, void space, 

 or unformed mass). A mass of 

 matter without arrangement. 



Cheirop'tera (Gr. x/>, cheir, a hand; 

 TTTfpov, pteron, a wing). Wing- 

 handed animals ; applied to an 

 order of mammalian animals, of 

 which the bat is an example, in 

 which the toes of the fore-limbs 

 are connected by a membrane, so 

 as to serve as wings. 



Che'late (chele). Having chelae or 

 two-cleft claws. 



Chele (Gr. x 7 ^. cMc, a hoof or 

 claw). The two -cleft claws of 

 the Crustacea, scorpions, &c. 



Chelic'era (Gr. x 7 ?*- 7 ?* chele, a claw ; 

 /cepas, keras, a horn). The pre- 

 hensile claws of the scorpion. 



Chelo'nia (Gr. x e ^ a " /r ?> chelone, a 

 tortoise). The order of reptiles 

 including tortoises and turtles. 



Chem'ical (Gr. x eft >> ched, I pour). 

 Belonging to chemistry. 



Chem'istry (Gr. x ew > ched, I pour). 

 The science which has for its object 

 the study of the nature and proper- 

 ties of all the materials which 

 enter into the composition of the 

 earth, sea, and air, and of the 

 beings inhabiting them. 



Chert. A term applied to flinty 

 portions occurring in limestone and 

 other rocks. 



Chia'ro-oscu'ro (Italian, chia'ro, clear; 

 oscu'ro, dark). A drawing in black 

 and white ; the art of advantage- 

 ously distributing the lights and 

 shadows in a picture. 



Chilogna'tha (Gr. x e '^ os > cheilos, a 

 lip ; yvaBos, gnathos, a jaw). A 

 family of myriapodous invertebrate 

 animals, having a pair of stout 

 horny mandibles with sharp toothed 



Cbilop'oda (Gr. x 6 '*- *, cheilos, a lip; 

 Trouy, pous, a foot). A family of 

 myriapodous invertebrate animals, 

 having an additional lip formed by 

 the second pair of legs, containing 

 each a canal for the discharge of a 

 poisonous liquid, as the centipede. 



Chirur'gical (Gr. xP, cheir, a hand ; 

 fpyov, ergon, work). Relating to 

 surgery, or that branch of medicine 

 which treats diseases and injuries 

 by manual operations and instru- 

 ments. 



Chi'tine (Gr. x irca "j chiton, a coat). 

 The hardening substance of the 

 covering of insects. 



Ghi'iwaus (Chitine) . Consisting of, or 

 of the nature of, chitine. 



Chlo'rate (Chlorine ; term. ate). A 

 compound of chloric acid with a 

 base. 



Chlo'ride (Chlorine ; term. ide). A 

 compound of chlorine with a metal 

 or other elementary substance. 



Chlo'rine (Gr. x^P ^ chloros, yel- 

 lowish green). An elementary gas, 

 so called from its yellow colour. 



Chlo'rite (Gr. x^ w P os > chloros, yel- 

 lowish-green). A mineral occur- 

 ring in the granite and metamor- 

 phic rocks, often disseminated 

 thi'ough or coating the laminae. 



Chlorom'etry (Chlorine ; Gr. perpov, 

 metron, a measure). The process 

 of testing the quantity of chlorine 

 contained in chloride of lime or any 

 other bleaching material. 



Chlo'rophyll (Gr. -xXwpos, chliiros, 

 yellowish-gi-een ; <pv\\ov, phullon, 

 a leaf). The green colouring mat- 

 ter of the leaves of plants. 



