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JOURNAL OF MORPHOLOGY FOUNDED BY C.O. WHITMAN, 1887 ORIGINALLY FOUNDED BY THE WISTAR INSTITUTE EDITOR FREDERICK W. HARRISON 191 Wildwood Drive, Sylva, North Carolina 28779 U.S.A. E-mail: [email protected] and [email protected] EDITOR EMERITUS CARL GANS Department of Zoology, University of Texas Austin, Texas 78712 [email protected] ASSOCIATE EDITORS BURTON J. BOGITSH SUSAN W. HERRING DAVID M. SEVER Dept. of Biology Department of Orthodontics Department of Biology Box 1733 University of Washington, SM-46 Saint Mary’s College Station B Seattle, Washington 98195 Notre Dame, IN 46556 Vanderbilt University [email protected] [email protected] Nashville, TN 37235 TRACY L. SIMPSON [email protected] NORMAN E. KEMP Department of Biology FRED L. BOOKSTEIN Department of Biology and Health Sciences The Institute of Gerontology The University of Michigan University of Hartford The University of Michigan Ann Arbor, Michigan 48109-1048 West Hartford, Connecticut 06117 901 Southwest NIB [email protected] [email protected] Afnrne d@Arbbroari, nmMaipc.himgeadn. um4i8c10h9.-e2d0u0 7 WILDeLpIaArMt meM.n tK IoEfR Biology JAMDEepSa rRt.m eSnTtE WoAfR BTi ological Sciences RONALD R. COWDEN CB#3280 Coker Hall Box 70703 P.O. Box 879 University of North Carolina East Tennessee State University Abita Springs, LA 70420-0879 Chapel Hill, NC 27599-3280 Johnson City, Tennessee 37614-0703 [email protected] [email protected] [email protected] JOE W. CRIM SETH TYLER Cellular Biology GEORGE V. LAUDER Department of Zoology University of Georgia Department of Ecology University of Maine Rm 724 BioSciences Bldg. and Evolutionary Biology Orono, Maine 04469-5751 Athens, Georgia 30602 University of California [email protected] [email protected] Irvine, California 92717 MARVALEE H. WAKE [email protected] Department of Integrative Biology JAND ivRiOsiBoEnR Tof NFaAtCurTaOlR Science PAUL F. A. MADERSON UBnerikveelresyi,t y Caolfi fCoarlniifao rn9i4a7 20 jSPftuaartcceth aoUsrne@i,pv uerNrvesiiwdt .ypY uoorrfck h Nae1sw0e5 .7Ye7od ruk DBNreeopwoa krYltoymrnke ,n CtoN lelowef g BeYi oorlko gy1 1210 DImADhNewpAaa krWetH@msEeonEctLr EaotRfe sE.nbteormkoelloegyy. edu STEPHEN L. GARDINER [email protected] The University of Arizona Department of Biology Tucson, Arizona 85721 Bryn Mawr College SUSAN B. McIVER [email protected] Bryn Mawr, Pennsylvania 19010-2899 Box 968 [email protected] Penticton ROBERT M. WOOLLACOTT GEOURnnAieRv eDUr nsiiCv.t eyrG sOoiRft NySt I.A BAoKuu gluesvtairnde sBCrmaicntiaivdseahr ,@ CvoVil2pu.Amn be7itNa 7 CMHrawaumorsobvelraulirmaddcg oeUot,fnt [email protected] tvuiasvreedt .tesZd ouo0 l2o1g3y8 St. Augustine, Florida 32084 R. GLENN NORTHCUTT JOHN P. WOURMS [email protected] Department of Neurosciences Department of Biological Sciences JAMES HANKEN Scripps Neurobiology—0201 132 Long Hall Museum of Comparative Zoology University of California Clemson University Harvard University La Jolla, California 92093 Clemson, South Carolina 29634-1903 Cambridge, MA 02138 [email protected] [email protected] VOLUME 242 OCTOBER-NOVEMBER-DECEMBER 1999 PUBLISHED BY WILEY-LISS, INC. NEW YORK, N.Y. COPYRIGHT © 1999 BY WILEY-LISS, INC. All rights reserved CONTENTS VOL. 242 OCTOBER 1999 CONTENTS FREDERICK W. HARRISON, A Message From the Editor RoprRIGO SOLER-GIJON. Occipital Spine of Orthacanthus (Xena- canthidae, Elasmobranchii): Structure and Growth R. GUERRA AND P. ESPONDA. Structure, Cytoskeleton, and Devel- opment of the Acrosome of Platycleis albopunctata (Orthop- tera: Tettigoniidae) S.A. STEWART AND R.Z. GERMAN. Sexual Dimorphism and Onto- genetic Allometry of Soft Tissues in Rattus norvegicus 57 D. REEB AND P.B. Best. Anatomy of the Laryngeal Apparatus of the Pygmy Right Whale, Caperea marginata (Gray 1846) . . 67 Meeting Announcements Guide for Authors NOVEMBER 1999 CONTENTS FREDERICK W. HARRISON, A Message From the Editor ANNA CERRA. Lectin Histochemistry of the Hyaline Layer Around the Larvae of Patiriella Species (Asteroidea) With Different Developmental Modes KAZUE FuJIl AND MAKOTO FuKUMOTO. Multiple Acrosomal Vesicles and Their Differentiation During Spermiogenesis in Ascidia zara and Ascidia gemmata (Ascidiacea, Tuni- SuSAN E. PETERS AND KiisA C. NISHIKAWA. Comparison of Iso- metric Contractile Properties of the Tongue Muscles in Three Species of Frogs, Litoria caerulea, Dyscophus gui- netti, and Bufo marinus RAYMOND T. BAUER. Gill-Cleaning Mechanisms of a Dendrobran- chiate Shrimp, Rimapenaeus similis (Decapoda, Penaeidae): Description and Experimental Testing of Function LENA M. GUSTAVSSON AND CHRISTER ERSEUS. Development of the Genital Ducts and Spermathecae in the Rhyacodrilines Rhyacodrilus coccineus and Monopylephorus rubroniveus (Oligochaeta, Tubificidae) ALFRED MAIER. Proportions of Slow Myosin Heavy Chain- Positive Fibers in Muscle Spindles and Adjoining Extra- fusal Fascicles, and the Positioning of Spindles Relative to These Fascicles KATHERINE L. RAFFERTY AND SUSAN W. HERRING. Craniofacial Sutures: Morphology, Growth, and In Vivo Masticatory Strains Meeting Announcements Guide for Authors DECEMBER 1999 CONTENTS A.C. VILLARO, M. GARAYOA, M.J. LEZAUN, AND P. SESMA. Light and Electron Microscopic Study of the Hindgut of the Ant (Formica nigricans, Hymenoptera): I. Structure of the Ileum M. Garayoa, A.C. VILLARO, M.J. LEZAUN, AND P. SESMA. Light and Electron Microscopic Study of the Hindgut of the Ant (Formica nigricans, Hymenoptera): II. Structure of the Rectum ERIK RUSSELL WILD. Description of the Chondrocranium and Osteogenesis of the Chacoan Burrowing Frog, Chacophrys pierotti (Anura: Leptodactylidae) Maira A. STEFANINI, ANTONIO M. Orsi, ELISA A. GREGORIO, MarIA JOSE S. VIOTTO, AND SILVANA M. BARALDI-ARTONI. Morphologic Study of the Efferent Ductules of the Pigeon (Columba livia) RICHARD R. SIMONS, BRUCE E. FELGENHAUER, AND TREVONNE THOMPSON. Description of the Postcloacal Glands of Pleth- odon cinereus, the Red-Backed Salamander, During Bouts of Scent Marking ISABEL CRISTINA BOLELI, ZILA-LUZ PAULINO-SIMOES, AND MARCIA MaRriA GENTILE BITONDI. Cell Death in Ovarioles Causes Permanent Sterility in Frieseomelitta varia Worker Bees - . Gary G. MARTIN, HAN-MING JOSEPH LIN, AND CHAU LUC. Reex- amination of Hemocytes in Brine Shrimp (Crustacea, Bran- chiopoda) M. FUENZALIDA, J. ILLANES, R. LEMus, A. GUERRERO, A. OYARZUN, O. ACUNA, AND D. Lemus. Microscopic and Histochemical Study of Odontoclasts in Physiologic Resorption of Teeth of the Polyphyodont Lizard, Liolaemus gravenhorsti Meeting Announcements Guide for Authors