354 REPORT OF NEW JERSEY STATE MUSEUM. 
Criste acustice. Sensory cells produced into hair-like processes in the organ 
of hearing. 
Crura cerebri. ‘The thickened ventral wall of the mid-brain in the form of two 
longitudinal bands. 
Cuneate. Wedge-shaped. 
Cutaneous artery. A division of the pulmo-cutaneous trunk to the skin. 
Deciduous. Falling off, or temporary. 
Dentary. Principal bone in front of lower jaw usually bearing teeth. 
Dentate. With tooth-like notches. 
Depressed. Flattened vertically. 
Depressor. A muscle that lowers. 
Depth. Usually vertical diameter of body. 
Dermal, Relating to the skin. 
Diacele. ‘Third ventricle of the brain. 
Diaphanous. ‘Translucent. 
Diaphragm. Muscular septum between thorax and abdomen. 
Diapophysis. ‘Transverse process of a vertebra. 
Diencephalon. WPosterior portion of the fore brain. 
Digitigrade. Walking on toes. 
Distal. Remote from point of attachment. 
Distalia. ‘Third row of carpal and tarsal bones. 
Dorsal. Relating to the back. 
Dorsal aorta. Formed by the systemic trunks curving around and above the 
gullet, and uniting. 
Duodenum. First portion of the intestine. 
Dura mater. Tough membrane lining the cerebro-spinal cavity. 
Ecdysis. Casting and renewal of the outer layers of the horny epidermis in 
reptiles. 
Ectopterygoid. Pterygoid bone. 
Efferent. Conducing outward. Said of veins as they carry out non-aérated 
blue blood. 
Elevator. A muscle that raises. 
Emarginate. Slightly forked or notched. 
Endolymph. A fluid filling the organ of hearing. 
Endolymphatic duct. A narrow tube from the inner face of the sacculus. 
Endoskeleton. Skeleton proper, or inner bony frame-work of the body. 
Enteron. Alimentary canal. 
Entoplastron. Median anterior bony plate of the plastron behind the epipastra 
and in front of the hypoplastra, in turtles. 
Epencephalon. Cerebellum. 
Ependyme. Purely non-nervous epithelial layer as that of the floor of the 
medulla oblongata. 
Epicale. Cerebellar ventricle of the brain. 
Epicoracoid. Bones or cartilages connecting coracoid and precoracoid ven- 
trally. 
Epidermis. Outer or epithelial layer of the skin. 
Epignathous. Upper jaw hooked over tip of lower. 
