Transactions of the American Microscopical Society, Tomy 34-35

acetabulum acid alcohol American Microscopical Society amphids ampullæ appear Atractides balsam basal membrane Bessey body ceca cells cestodes chitinized chromosomes cirrus pouch clot cuticula cysticercoid described diameter dorsal duct eggs elongated elytra elytron embryos epidermis epithelium examined excretory extend figures fish fluid front ganglion genital genus glands glass groups hæmatoxylin insects intestinal ceca larvæ lateral layer length longiplexus longitudinal lung lung flukes material median medioplexus method Micr micro microscopists microtechnique microtome migration mounting neck nervus terminalis notochord nuclei nucleus-plasma object œsophagus olfactory nerve oral sucker organs outer ovary Ph.D pharynx placode PLATE Pneumonœces pore portion posterior end posterior testis proglottids protozoa Rana regeneration region rostellum scales scolex segment setæ shape side slide slightly species specimens spines staining structure surface tail tapers thickness tion tissues transverse tube uterus ventral vitellaria wide width worms Zool