140 GLOSSARY. 



BULLA, the dilated portion of the tympanic bone in which the ear- 



drum is stretched. 



BUNODONT, having tuberculated crowns (applied to teeth). 

 BURR, the annular excrescence at the base of the antler. 

 C/ECUM, the blind intestine. 

 CALCANEUM, the heel bone. 



CALCAR, a projecting spur, as that from the heel in the bats. 

 CANINE, the eye tooth, the conical tooth placed between the 



incisors and premolars. 

 CANNON BONES, the representatives of the metacarpals or nieta- 



tarsals in the ungulates. 

 CAPITULUM, the inferior and anterior head of the rib by which 



the attachment is made with the body of the vertebra. 

 CARAPACE, the upper shell of a chelonian. 

 CARNASSIALS, the sectorials or flesh teeth. 

 CARPALIA, the second row of wrist bones, consisting of the 



trapezium, trapezoid, magnum, and unciform, the last of 



which represents the fourth and fifth carpalia. 

 CARPUS, the wrist, formed by a series of bones joining on to the 



radius and ulna. 



CAUDAL, pertaining to the tail. 

 CENTRALE, the central of the second row of wrist bones : the 



navicular bone in the ankle. 



CENTRUM, the body or central portion of a vertebra. 

 CEPHALIC, pertaining to the head. 

 CERATOHYALS,the two bones in the tongue connecting the basi- 



hyal with the epihyal. 

 CERVICALS, the vertebras of the neck. 

 CHEVRON BONES, the bones placed opposite to the intervertebral 



spaces on the under surface of the caudal vertebrae. 

 CINGULUM, the rim surrounding the crown of the tooth. 

 CLAVICLE, the collar bone joining the shoulder bone to the breast 



bone, and lying in front of the coracoid. 

 COCCYX, the united vertebrae at the end of the backbone. 

 CONDYLE, a knob-like eminence bearing a flattened articular 



surface. 

 CORACOID, the bone in the shoulder girdle beneath the scapula, 



generally rudimentary in mammals, but well developed in 



birds and reptiles. 

 CORONOID, the curved process on the upper border of the lower 



jaw to which the temporal muscle is attached, also the 



raised ridge at the upper joint of the ulna. 

 COTYLOID, the nbro-cartilaginous ring round the margin of the 



acetabulum of the hip-joint. 

 CRANIUM, the bony case enclosing the brain formed by the union 



of several components. 

 CREPUSCULAR, pertaining to twilight. 

 CRIBRIFORM, with perforations like those of a sieve. 

 CRINIGEROUS, bearing hairs, hairy. 



CUBOID, the outer of the four bones in the second row in the ankle. 

 CUNEIFORM, the wrist bone nearest to the ulna in a line with the 



fourth digit ; the name given to three of the four bones in 



the second row of the ankle. 



