GLOSSARY, 



Allantoic — A membranous sac-like appendage for effecting oxygenation and 

 other changes in the blood, developed from the posterior part of the alimentary- 

 tract in the embryos of mammals and other vertebrates. 



Anchylose — To grow together; to unite and become immovable. 



Alisphenoid — Pertaining to the greater wings of the sphenoid bone. 



Alveola — A pit or cavity; as the socket of a tooth. 



Arboreal — Tree dwelling. 



Antorbital foramen — Infraorbital foramen. 



Audital bulla (see Bulla). 



Axilla — Hollow space between junction of the arm and shoulder; armpit. 



Basal length (of skull) — Distance from lower edge of foramen magnum to extreme 

 end of premaxillary in front of incisors. 



Basilar length of Hensel (of skull) — Distance from lower edge of foramen magnum 

 to the posterior alveola border of a middle incisor. 



Bicolor — Having two colors. 



Bicuspid — With two cusps. 



Bifid — Divided into two parts. 



Brachydont — Having a low or short crown. 



Brain case — The part of the skull enclosing the brain. 



Bulla, pi. bullae — The swollen portion of the bony part of the external meatus of 

 the ear; see chart, p. 12. 



Caecum — A sac or pouch open only at one end, which is situated at the junction 

 of the large and small intestines; see page 22. 



Canine teeth — See chart, p. 11. 



Carnassial teeth — See chart, p. 14. 



Calcar — A bony cartilage extending from the tarsus along the edge of the inter- 

 femoral membrane in bats. 



Carnivorous — Flesh eating. 



Carpus — Bones forming the wrist joint. 



Caudal — Refers to the tail. 



Cheek teeth — Teeth on side of jaw posterior to the canine. 



Chironym — Unpublished or manuscript name. 



Clavicle — The collar bone. 



Cloaca — The common cavity into which the hind part of the alimentary canal as 

 well as the urinary and generative ducts open. 



Conch — The external ear. 



Condyle — A protuberance on the end of bone forming a point of articulation with 

 another bone. 



Cortex — The part of a hair which surrounds the cellular center and which contains 

 the color pigment. 



Crepuscular — Active at twilight. 



Cuticle — The epidermis or outer covering of the true skin; see skin. 



Cusp — A point or protuberance on crown of tooth. 



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