. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. LE T I N OF THE Southern California Academy of Sciences LOS ANGELES, CALIFORNIA. Vol. XLVII September-December, 1948 Part 3 CONTENTS THE RELATIVE LENGTHS OF LIMB ELEMENTS IN CANIS DIRUS Chester Stock and John F. Lance ------- A STATISTICAL STUDY OF THE METAPODIALS OF EQUUS OCCIDENTALIS LEIDY David P. Willoughby DESCRIPTION OF A NEW SPECIES OF HAKNACLE FROM I'ANAMA Frank Lee Rogers . A NEW AND UNUSUAL HELICOID SNAIL FROM LOS ANGPXES COUNTY, CALIFORNIA Wendell O. Gregg, M. D. - - - - Pag
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. LE T I N OF THE Southern California Academy of Sciences LOS ANGELES, CALIFORNIA. Vol. XLVII September-December, 1948 Part 3 CONTENTS THE RELATIVE LENGTHS OF LIMB ELEMENTS IN CANIS DIRUS Chester Stock and John F. Lance ------- A STATISTICAL STUDY OF THE METAPODIALS OF EQUUS OCCIDENTALIS LEIDY David P. Willoughby DESCRIPTION OF A NEW SPECIES OF HAKNACLE FROM I'ANAMA Frank Lee Rogers . A NEW AND UNUSUAL HELICOID SNAIL FROM LOS ANGPXES COUNTY, CALIFORNIA Wendell O. Gregg, M. D. - - - - Page 79 84 95 100 A NEW SPECIES OF AMBRYSUS PROM DEATU , WITH NOTES ON THE GENUS JN THE UNITED STATES (Hemiytera; Naucoridie) Ira La Rivers 103 THE FLEA GENUS RHYNCHOPSYLLUS IN THE UNITED STATES (Siphonaptera ; Hectopsylliilae) G. F. Augustson and LIt)y<l C. Ryan ------ 111 F.''Mi-;!.a-y mo. 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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