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Show 1888.] ON THE CARPUS AND TARSUS OF THE ANURA. 141 1. On the Carpus and Tarsus of the Anura. By G. B. HOWES, F.Z.S., F.L.S., Assistant Professor of Zoology, Normal School of Science and R. School of Mines, and W. RJDEWOOD. [Eeceived March 6, 1888.] (Plates VII.-IX.) CONTENTS. I. INTRODUCTION. a. General, p. 141. b. Nomenclature, p. 142. c. Material, p. 142. d. Methods, p. 143. II. GENERAL PART. Hind Foot. a. Metatarsals and phalanges, p. 144. b. Astragalus and calcaneus, p. 144. c. Tarsalia 4 and 5, p. 145. d. Tarsalia 2 and 3, p. 146. e. Tarsale 1, p. 147. f. Naviculare and pre-hallux tarsal, p. 147. g. Pre-hallux (calcar), p. 148. Fore Foot. a. Metacarpals and phalanges, p. 152. b. Distal carpal elements (carpalia), p. 153. c. Carpale 1 and pollex, p. 154. d. Ulnare (pyramidale), p. 155. e. Lunatum, p. 156. /. Postaxial centrale, p. 157. g. Naviculare, p. 157. h. Compound structures resulting from the fusion of two or more carpal elements, p. 160. III. SPECIAL PART. Carpus and tarsus in A. AGLOSSA. a. Pipidse, p. 161. b. Dactylethridte, p. 163. B. PHANEROGLOSSA. a. Discoglossidte, p. 164. b. Pelobatidae, p. 165. c. Hylidas, p. 167. d. Bufonidse, p. 169. IV. CONCLUSIONS, p. 177. V. LIST OP AUTHORITIES REFERRED TO, p. 179. VI. EXPLANATION OF THE PLATES, p. 181. I. INTRODUCTION. a. General.-While, during the last few years, the researches PROC. ZOOL. Soc-1888, No. XI. 11 c. Cystignathidse, p. 170. /. Engystomatidse, p. 172. g. Dendrobaticlte, p. 173. k. Eanidas, p. 173. |