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Show March 20, 1906 (continued). Page Dr. Walter Kidd, F.Z.S. Exhibition of lantern-slides of sections of skin from the palmar and plantar surfaces of Mammals 231 Mr. Oldfield Thomas, F.R.S. Description of a new subspecies of Bear, Ursus arctos shanorum. Mr. R. E. Holding. Exhibition of, and remarks upon, specimens illustrating anomalies and variations in teeth 233 i 1. Note on Deaths occurring iu the Society's Gardens during 1905. By C. G. SELIGMANN, M.B., M.R.O.P 234 2. A Monograph of the Coleoptera of the Genus Sciobius Schh. (Curculionidae). By GUY A. K. MARSHALL, F.Z.S. (Plates XVIII. & XIX.) 236 3. A Contribution to the Study of Evolution based upon the Mexican Species of Cnemidophorus. By H A N S G A D O W , F.R.S., F.Z.S. (Plate XX.) 277 April 10, 1906. Mr. F. E. Beddard, F.R.S. Exhibition of, and remarks upon, a dissected specimen of the Lizard Trachysaurus rugosus showing abdominal ribs 376 Mr. R. I. Pocock, F.Z.S, Exhibition of the skull of a Horse showing preorbital pits .... * 1. On the Fresh-water Fishes of the Island of Trinidad, based on the collection, notes, and sketches made by Mr. Lechmere Guppy, Junr. By C. T A T E REGAN, B.A., F.Z.S. (Plates XXI.-XXV.) 378 2. The Marine Fauna of Zanzibar and British East Africa, from Collections made by Cyril Crossland, M.A., B.Sc, F.Z.S., in the years 1901 and 1902.-Alcyonaria. By Prof. J. A R T H U R THOMSON, M.A., University of Aberdeen, and W . A. HENDERSON, M.A., B.Sc, Carnegie Felbw, University of Aberdeen. (Plates XXVI.-XXXI.) 393 3. On Cyclopia in Osseous Fishes. By JAMES F. GEMMILL, M.A., M.D. (Plate XXXII.) . 443 4. Notes on Supernumerary Eyes, and Local Deficiency and Reduplication of the Notochord in Trout Embryos. By J A M E S F. GEMMILL, M.A., M.D. (Plate XXXIII.) 449 5. On Three New Forms of Butterfly of the Genus Heliconius. By PERCY I. LATHY, F.Z.S., F.E.S. (Plate XXXIV.) 452 Index 455 Titlepage i List of Council and Officers ii List of Contents iii Alphabetical List of Contributors ix List of Plates xvii List of Text-figures ... xix List of New Generic Terms xxii |