GLOSSARY. 119 
Unciform (L. wxcus,a hook ; formzs, shape).—A bone 
of the carpus also termed wzcinatum and 
hamatume. 
Uncinate (L. wxcus, a hook)—Hooked. A process of 
the ethmoid bone. 
Ungual phalanges (L. wgwzs, a nail)—The terminal 
phalanges of the digits which are provided 
with nails or claws. 
Urohyal (Gr. owra, the stern, the tail)—An_ ossifica- 
tion in the posterior portion of the hyoidean 
arch in fishes. 
Urosacral (Gr. owra, the tail ; sacrus, sacred).—A term 
applied to certain caudal vertebre in birds 
which are anchylosed together. 
Urostyle (Gr. oura, tail; stulos, a style, or pen).—A 
bony prolongation of the vertebral column 
in certain fishes and amphibia. 
Venter of scapula (L. venter, the belly)—A broad 
concavity on the anterior surface of the 
scapula; also termed the sub-scapular fossa. 
Vertebra (L. vero, to turn)—The name of each of the 
bony segments forming the spinal column. 
Vertebrata dentata.— A term sometimes applied to 
the second cervical vertebra or axis. 
Vertebra prominens.—A term sometimes applied to 
the seventh cervical vertebra in man, on 
account of its prominent spine. 
Vidian canal (after Vzdzus, a French Professor).—A 
small canal which passes through the internal 
pterygoid plate of the sphenoid bone, trans- 
