ORDO III.

Retrograde Sensitive Motions.

GENUS [I].

Of Excretory Ducts.

SPECIES.

Motus retrogressus Retrograde motion.
[1]. —— ureterum.—— of the ureters.
[2]. —— urethræ.—— of the urethra.
[3]. —— ductus choledoci. —— of the bile-duct.

CLASS II.

DISEASES OF SENSATION.

ORDO [I].