. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. ^6 LLETIN OF THE Southern California Academy of Sciences LOS ANGELES, CALIFORNLV. Vol. 58 January-April, 1959 CONTENTS Mammal Footprints fem the Avawatz Formation, California. Raymond M. Aw. 1 A New Species of Sea Hare from California Waters. Lindsay JR. Winkler. 8 New Species of Spionidae from Southern California (Annelida, Polychaeta). Donald J. Reish 11 The Number of Species of Gammaridean Amphipoda (Crustacea) J. Laurens Barnard 16 Pliocene Marine Deposits in Northwestern Baja California,
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. ^6 LLETIN OF THE Southern California Academy of Sciences LOS ANGELES, CALIFORNLV. Vol. 58 January-April, 1959 CONTENTS Mammal Footprints fem the Avawatz Formation, California. Raymond M. Aw. 1 A New Species of Sea Hare from California Waters. Lindsay JR. Winkler. 8 New Species of Spionidae from Southern California (Annelida, Polychaeta). Donald J. Reish 11 The Number of Species of Gammaridean Amphipoda (Crustacea) J. Laurens Barnard 16 Pliocene Marine Deposits in Northwestern Baja California, Mexico, witli the Description of a New Species of Acanthina (Gastropoda) Leo G. Hertlein and Edwin C. Allison 17 The Larval Habits of Plinthocoelium suaveolens plicatum (Le Conte). (Coleoptera: Cerambycidae). E. G. Lindsley and P. D. Hurd, Jr 27 An Alternating Sexual Generation in the Gall Wasp Calhrhytis pomiformis (Ashm.) (Hymenoptera: Cynipidse) Robert J. Lyon 33 Brief Notes on Four Arizona Moths. John Adams Comstock 38 Notes on Trypanosoma and Grahamella In Rodents from Maui, Territory of Hawaii. Sherwin F. Wood 45 Fossil Insects from Montana; 1. A New Fossil Nemopterid (Neuroptera) W. Dwight Pierce and Ruth A. Kirkby 47 Proceedings of the Academy 50 Scientific Notes 53 LlBRAKt -SEW YOKK 80TANICAL GARD&W Part 1 Issued May 11, 1959. 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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