NICKOL, B. B. and T. T. DUNAGAN. Reconsideration of the acanthocephalan genus Echinopardalis, with a description of adult E. atrata and a key to genera of the Oligacanthorhynchidae . . . . . 8
DUNAGAN, T. T. and R. M. A. RASHED. Morphology of urogenital system in male Echinopardalis atrata (Acanthocephala) . . . . . 14
HASEGAWA, H. Cosmocercella iwatsukii sp. n. (Nematoda: Cosmocercidae) from Rhacophorus viridis viridis (Anura: Rhacophoridae) on Okinawa Island, Japan . . . . 20
YATES, J. A. and K. L. HELLNER. Filariasis in Colombian capybaras: circadian and spatial distributions of microfilariae in the skin . . . 24
CONE, D. K. and M. WILES. Ultrastructural study of attachment of Gyrodactylus colemanensis (Monogenea) to fins of fry of Salmo gairdneri . . . . . 29
LYONS, E. T., J. H. DRUDGE, and S. C. TOLLIVER. Activity of fenbendazole and oxyfendazole against experimental infections of Trichostrongylus axei in dairy calves . . . . . 33
FUJINO, T., H HIGO, Y. ISHII, S. SAITO, and E. R. CHEN. Comparative studies on two similar species of Haplorchis and Metagonimus (Trematoda: Heterophyidae) - surface ultrastructure of adults and eggs . . . 35
MORELAND, A. F., D. J. FORRESTER, and M. F. DELANY. Sebekia mississippiensis (Pentastomida) from juvenile American alligators in north central Florida . . . . . 42
GEORGI, J. R. and C. E. McCULLOCH. Diagnostic morphometry: indentification of helminth eggs by discriminant analysis of morphometric data . . . . . . 44
JENSEN, L. A., R. M. SILVERBROOK, A. FORMICA, and M. L. ROSNER. Appendicitis or trichuriasis? a case history . . . . . 58
ZAMAN, V., S. BAPNA, and D. M. RENAPURKAR. Scanning electron microscopy of Dracunculus medinensis first-stage larva . . . . . 60
DYER, W. G., E. H. WILLIAMS, Jr., and L. B. WILLIAMS. Monogeneans from marine fishes of Okinawa, Japan . . . . . . 64
YU, X and J. L. CRITES. The prehatching development of Leidynema portentosae (Nematoda: Oxyuroidea) . . . . . . 69
PFAFFENBERGER, G. S. and T. L. BEST. Trichuris elatoris sp. n. (Nematoda: Trichuridae) from the Texas kangaroo rat (Dipodomys elator) . . . . . . 76
GOLDBERG, S. R. and C. R. BURSEY. Helminths of the giant spotted whiptail, Cnemidophorus burti stictogrammus (Sauria: Teiidae) . . . . . 86
MALONEY, M. D., G. C. COLES, and L. H. SEMPREVIVO. Atrrition of adult Schistosoma mansoni in A/J mice . . . . . . . 87
LINDSAY, D. S., B. L. BLAGBURN, and C. A. SUNDERMANN. Morphometric comparison of the oocysts of Cryptosporidium meleagridis and Cryptosporidium baileyi from birds . . . . . . 91