382 GLOSSARY. 
coida, often called ‘‘Lamp-shells,” characterised by possessing two fleshy 
arms continued from the sides of the mouth, 
BracHyura (Gr. bruchus, short ; owra, tail). A tribe of the Decapod Crusta- 
ceans with short tails (¢.e., the Crabs). 
BRADYPODID& (Gr. bradus, slow ; podes, feet). The family of Hdentata com- 
prising the Sloths. 
BRANCHIA (Gr. bragchia, the gill of a fish). A respiratory organ adapted to 
breathe air dissolved in water. 
BRANCHIATE. Possessing gills or branchie. 
Brontevus (Gr. bronté, thunder—an epithet of Jupiter the Thunderer). A 
genus of Trilobites. 
BRONTOTHERIUM (Gr. bronté, thunder ; thérion beast). An extinct genus of 
Ungulate Quadrupeds. 
Brontozoum (Gr. bronté, thunder ; zodn, animal). A genus founded on the 
largest footprints of the Triassic Sandstones of Connecticut. 
Buccinum (Lat. bucctnwm, a trumpet). The genus of Univalves comprising 
the Whelks. 
Cartnozoic (See Kainozoic.) 
CALAMITES (Lat. calamus, areed). Extinct plants with reed-like stems, be- 
lieved to be gigantic representatives of the Hquisetacee. 
CALCAREOUS (Lat. calz, lime). Composed of carbonate of lime. 
CaLicE. The little cup in which the polype of a coralligenous Zoophyte (Ac- 
tinozo6n) is contained. 
CALYMENE (Gr. kaluméné, concealed). A genus of Trilobites. 
CaLyx (Lat. a cup). Applied to the cup-shaped body of a Crinoid ( Echino- 
dermata). 
CAMAROPHORIA (Gr. kamara, a chamber; phero, I carry). A genus of Brachio- 
pods, 
CAMELOPARDALID& (Lat. camelus, a camel; pardalis, a panther). The family 
of the Giraffes. 
CANINE (Lat. canis, a dog). The eye-tooth of Mammals, or the tooth which 
is placed at or close to the premaxillary suture in the upper jaw, and the 
corresponding tooth in the lower jaw. 
CARAPACE. A protective shield. Applied to the upper shell of Crabs, Lobsters, 
and many other Crustacea. Also the upper half of the immovable case in 
which the body of a Chelonian is protected. 
CARCHARODON (Gr. karcharos, rough ; odous, tooth). A genus of Sharks. 
CARDIOCARPON (Gr. kardia, the heart; karpos, fruit). A genus of fossil fruit 
from the Coal-measures. 
CaRDIUM (Gr. kardia, the heart). The genus of Bivalve Molluscs comprising 
the Cockles. Cardinia, Cardiola, and Cardita have the same derivation. 
CaRNIVORA (Lat. caro, flesh ; voro, I devour). An order of the Mammalia. 
The ‘‘ Beasts of Prey.” 
CARNIVOROUS (Lat. caro, flesh ; voro, I devour). Feeding upon flesh. 
CaRYOCARIS (Gr. karua, a nut; karis, a shrimp). A genus of Phyllopod Crus- 
taceans. 
CARYOCRINUS (Gr. karua, a nut; krinon, a lily). A genus of Cystideans,. 
CAUDAL (Lat. cauda, the tail). Belonging to the tail. 
CAVICORNIA (Lat. cavus, hollow; cornu, a horn). The ‘‘hollow-horned ” 
Ruminants, in which the horn consists of a central bony ‘‘horn-core” sur- 
rounded by a horny sheath. 
CENTRUM (Gr. kentron, the point round which a circle is described by a pair 
of compasses). The central portion or ‘‘ body”’ of a vertebra. 
CEPHALASPIDE (Gr. kephale, head; aspis, shield), A family of fossil fishes. 
CEPHALIC (Gr. kephale, head). Belonging to the head. 
CrEPHALOPODA (Gr. kephale ; and podes, feet). A class of the Mollusca, com- 
prising the Cuttle-fishes and their allies, in which there is a series of arms 
ranged round the head. 
CERATIOCARIS (Gr. keras, a horn; karis, a shrimp). A genus of Phyllopod 
Crustaceans. 
