. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. BULLETIN OF THE Southern California Academy of Sciences LOS ANGELES, CALIFORNL\. Vol XXVIII , 1929 Part 1 CONTENTS Page SIGNIFICANCE OF ABRADED AND WEATHERED MAMMALIAN REMAINS FROM RANCHO LA BRBA 1 Chester Stock i PENTSTEMON DUBIUM n. sp. 6 Dr. A. Davidson THE EGG OF GLAUCOPSYCHE LTGDAMUS AUSTRALIS Grinnell 6 Dr. John Adams Comstock THE CAUSES OF CHANGE IN COLOR PATTERNS OF BUTTERFLY ABERRATIONS 8 Wilhelm Schrader PROCEEDINGS! OF SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 12 REPO


. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. BULLETIN OF THE Southern California Academy of Sciences LOS ANGELES, CALIFORNL\. Vol XXVIII , 1929 Part 1 CONTENTS Page SIGNIFICANCE OF ABRADED AND WEATHERED MAMMALIAN REMAINS FROM RANCHO LA BRBA 1 Chester Stock i PENTSTEMON DUBIUM n. sp. 6 Dr. A. Davidson THE EGG OF GLAUCOPSYCHE LTGDAMUS AUSTRALIS Grinnell 6 Dr. John Adams Comstock THE CAUSES OF CHANGE IN COLOR PATTERNS OF BUTTERFLY ABERRATIONS 8 Wilhelm Schrader PROCEEDINGS! OF SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 12 REPORT, LORQUIN ENTOMOLOGICAL SOCIETY - - 14 Issued June 15, 1929. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy


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