666 GLOSSARY 



Brachyodont, low-crowned teeth, with early-formed roots. 

 Bridget stage, middle Eocene of N. W. America. 

 Bunodont, teeth composed of conical tubercles. 



Calcaneum, the heel-bone. 



Cannon-bone, a compound bone formed by the coossification of two or more 



long; bones of the foot. 

 Cape Fairweather, marine Pliocene of Patagonia. 

 Carnassial, a shearing, sectorial tooth in a flesh-eater. 



Carnivora, Wolves, Bears, Cats, etc., etc. ; an order of placental mammals. 

 Carnivorous, flesh-eating, predaceous. 

 Carpal, one of the elements of the carpus. 

 Carpus, the wrist-bones. 



Casa Mayor stage, terrestrial formation of Patagonia, probably Eocene. 

 Catamarca, a Pliocene formation of Argentina. 

 Caudal vertebrae, those of the tail. 



Central, a small carpal, wedged in between the two rows. 

 Centrum, the body of a vertebra. 

 Cervical vertebrae, those of the neck. 

 Cetacea, Whales, etc. ; a cohort of marine mammals. 

 Chelodactyla, suborder of Perissodactyla. 

 Chevron-bones, Y-shaped bones attached to the under side of the caudal 



vertebrae. 

 Chevrotains, " Mouse Deer," of the suborder Tragulina. 

 Chiroptera, Bats, an order of placental mammals. 

 Class, a group of the fifth order in classification. 

 Clavicle, the collar-bone. ... 



Cnemial crest, a massive prominence on the front face of the tibia, near the 



upper end. 

 Cohort, division of infraclass, containing a series of related orders. 

 fCondylarthra, an extinct order of hoofed mammals. 

 Condyle, a knob-like, articular protuberance. 

 Convergence, or Convergent Evolution, similar forms resulting from two or 



more indep?nd:Mit lines of descent. 

 Coracoid, a hook-like bone, fused with the shoulder-blade in the higher 



mammals. 

 Coronoid process, a projection in front of the condyle of the lower jaw, to 



which the temporal muscle is attached. 

 Cotyles, concavities on the atlas to receive the occipital condyles of the skull. 

 Cranium, the part of the skull above and behind the eyes, which lodges the 



brain and higher sense-organs. 

 fCreodonta, an extinct suborder of the Carnivora. 

 Cretaceous, third and last of the Mesozoic periods. 

 Crown, the exposed part of a tooth. 



