916 GLOSSARY. 



Bifid divided in two parts, or forked. 



Bilobed divided into two lobes. 



Bitumen mineral pitch or tar. 



Brachial belonging to the arm. 



Brachiopoda molluscous animals that move by arm-like processes. 



Branchia aquatic organs of respiration, as gills. 



Breccia conglomerate of fragments of rocks. 



Bryozoa moss- animals ; polypes that encrust other bodies, as the 



Flustrcs. 



Calc sinter deposition from thermal springs charged with carbonate of 



lime. 

 Calc aire grossier. a tertiary limestone of the Paris basin. 



Calcareous composed of lime. 



Calcium metallic base of lime. 



Campanularije arborescent corals, with bell-shaped cells. 



Cancellated the cellular structure of a bone. 



Capsule {socket;) the hollow or concavity of a bone which receives 



the head of another bone. 



Carbon the elementary substance of charcoal and the diamond. 



Carbonate of lime . lime and carbonic acid. 



Carboniferous belonging to coal. 



Carneous fleshy. 



Caryophyllia branched stellular coral. 



Caudal belonging to the tail. 



Centrifugal a force directed from the centre to the circumference. 



Cephalic belonging to the head. 



Cephalopoda animals having the instruments of motion placed around 



the head ; as the Cuttle-fish. 



Cervical belonging to the neck. 



Cetacea marine mammalia, as the Whale, Porpoise, &c. 



Chalcedony a species of silex, named from Chalcedon, a city of Asia, 



near which it is found in great abundance. 



Chelj: claws. 



Chelonia animals of the turtle tribe. 



Chert a siliceous mineral allied to flint and chalcedony. 



Choanite a zoophyte of the chalk. 



Cilia hair-like vibratory organs. 



Cirri curled processes, as in the Barnacle. 



Clavated club-shaped. 



Cleavage a peculiar laminated structure in slate rocks. 



Coleoptera insects having wing-cases, as Beetles. 



Conchoidal shelly. 



Concretion a coalition of separate particles. 



Condyle an articulating surface or joint. 



Conformable applied to parallel strata tying upon each other. 



Conglomerate pebbles or waterworn fragments cemented together, as in 



Puddingstone. 



Coniferje trees bearing cones, as the Fir, Pine, &c. 



Cordiform heart-shaped. 



Cornbrash a coarse shelly limestone of the oolite. 



Corticiferous belonging to the bark of a tree. 



Cotyledons seed-lobes of plants. 



Crag a term applied in Suffolk to certain tertiary beds of sand 



and shells. 



Crater the vent of a volcano. 



Crate riform having the form of a crater. 



Crenulated knotched, or toothed. 



Cretaceous belonging to chalk. 



Crinoidea lily-shaped animals. 



Crop out signifying the emergence of a stratum on the surface. 



Crucial in form of a err 



