Trapping records - cont from p. 29. Mus - 1♂ & 1♀ in same trap in mustard - low mus canyon. Reithrodontomys 1 adult ♂ lower mus. canyon near auto road in mustard and some oats. 1♀ in trap within 30 ft. of trap con- taining 2 mus. Perognathus, 2 - 1 edge of artemisia oats formation. July 19. Traps - 54 - (first night) +12 - 2nd night in beach string. See notes - july 17-18 Perognathus 3♂ & 1♀ . One was taken between auto road and beach. Gambeli 1♂ in beach string - mustard 1♀ east of auto road in ". Mus 2♂ - near beach - mustard. 1♀ July 20 Same localities. Caught in Soledad canyon, - {40 traps in Soledad canyon - 2nd night {20 - auto road to beach - 3rd {20 - mus. canyon Perognathus 3♂ : 6♀ Reithrodontomys: - 1♂ in mustard & - shift mat of fox-tail and some oats. Gambeli 3♂ (1 in trap with Perognathus) 2♀ preg.?