A.C. ZIEBELL 1959 RETHRODONY'S MEADOWS 5 BANK MOUTH SAN RAFAEL CREEK, ETC... (see JOURNALS THIS DATE) JUNE 8 THIS WAS ONLY SPECIES OF RETHRODONTUS TAKEN IN MARSH AND DRY FIELD HABITATS AT THIS LOCATION. MICRODRUS + [illegible] ALSO FOUND HERE. SAN PABLO CREEK (SALT MARSH), RICHMOND, CONTRA COSTA CREEK JULY 18 5 TAKEN ALONG WITH 12 RAVIVENTRIS IN 4-19 SAMICORNIA AND DISTICHILS BY GEO.F. FISHER. AT LEAST 3 MICRODRUS WERE YOUNG. SEE SP. REC'T. OF RAVIVENTRIS, THIS DATE, FOR COMPARISON OF THE 2 SPECIES.