. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. BULLETIN OF THE Southern California Academy of Sciences LOS ANGELES, Vol. XLVI May-August, 1947 Part 2 CONTENTS Page ASYMMETRICAL VALLEYS OF SAN DIEGO COUNTY, CALIFORNIA K. O. Emery ...-61 NOTES ON THE EARLY STAGES OF ADELOCEPHALA HEILIGBRODTI Form Hubbardi Dyar (Lepidoptera) John Adams Comstoek ---------72 A NEW AND REMARKABLE KEYHOLE URCHIN, MELLITA NOTABILIS n. sp. Hubert Lyman Clark ---------77 DESCRIPTION OF A NEW SPECIES OF TROPHON FROM THE GULF OF CALIFORNIA Leo George Hert
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. BULLETIN OF THE Southern California Academy of Sciences LOS ANGELES, Vol. XLVI May-August, 1947 Part 2 CONTENTS Page ASYMMETRICAL VALLEYS OF SAN DIEGO COUNTY, CALIFORNIA K. O. Emery ...-61 NOTES ON THE EARLY STAGES OF ADELOCEPHALA HEILIGBRODTI Form Hubbardi Dyar (Lepidoptera) John Adams Comstoek ---------72 A NEW AND REMARKABLE KEYHOLE URCHIN, MELLITA NOTABILIS n. sp. Hubert Lyman Clark ---------77 DESCRIPTION OF A NEW SPECIES OF TROPHON FROM THE GULF OF CALIFORNIA Leo George Hertlein and A. M. Strong ------ 79 A CONTRIBUTION TO THE NATURAL HISTORY OF HELMINTHOGLYPTA ARROSA AND H. NICKLINIANA AWANI Williara Marcus Ingram - -t- - - - - - -81 A PECULIAR NEW CARNIVORE FROM THE CUYAMA MIOCENE, CALIFORNIA Chester Stock ...-84 FORD ASHMAN CARPENTER. 1868-1947 -90 Issued February 5, 1948. 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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