§31. General Rules of Gender
Names of Male beings, and of Rivers, Winds, Months, and Mountains, are masculine:—
- pater, father; Iūlius, Julius; Tiberis, the Tiber; auster, south wind; Iānuārius, January; Apennīnus, the Apennines.
a. A few names of Rivers ending in -a (as, Allia), with the Greek names Lēthē and Styx, are feminine; others are variable or uncertain.
b. Some names of Mountains are feminine or neuter, taking the gender of their termination: as, Alpēs (F.), the Alps; Sōracte (N.).
J. H. Allen and J. B. Greenough, New Latin Grammar (Boston: Ginn, 1903). Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities.