Quast 1948 Peromyscus crinitus April 10 Punta San Felipe, 50+ feet, Baja California 2 caught in live traps set among rocks on large hill east of camp. April 12. 9 mi W. Punta San Felipe, 200+-ft, Baja California One caught on decomposed granite hillside with one Perognathus spiniatus and one Perognathus eremicus. 50 live traps were set. #46. April 15 Cerro de Centurilo 300 ft 3 mi WSW Mexicali, Baja California.. Two caught in live traps baited with ground whole corn in small meandering wash in alluvial material below rock mountainside. specimens put up by Tevis + Murray and cataloged in their books under this date. April 16 2F+2? caught in live traps night of 15th on alluvial material below bare mountain slope. Traps were baited with ground whole corn. (#51,52,53,+59).