Transactions of the American Microscopical Society, Tomy 38-39

absent algae AMERICAN MICROSCOPICAL SOCIETY animals anteriorly aperture appear archegonia Arrhenurus Ascaris body branchlets Camallanus canal caudal chitin circuli Closterium COLLEGE LIBRARY color condenser conidium Cosmarium Creel Bay cuticula dark-field described diameter diverticula dorsal dorsal blood-vessel Dujardin eggs Ehrenberg Eisen Enchytraeidae esophagus excretory female fertilization figure fish ganglion genital genus glands intestine Kuetz lamp larvae lateral line layer length lens letters light longitudinal Looss main lake male margin Micr mullet muscle cells Navicula nematodes Nephridia nerve Nostoc nuclei objects Ohio Oligochaeta organs ovary oviduct papillae Paramaecium parasitic penial bulb Ph.D placed PLATE pore portion posteriorly present prothallia region scale scolex sensory ridges Setae side slide somites species specimens sperm sperm sacs spermathecae Spermiducal funnel spiculum stains Staurastrum structure subcuticula surface thickness tion tissue tube Univ uterus valves ventral Vorticella worms Zool