JARA, C., L. AN, and D. CONE. Accessorius peruensis gen. et sp. n. (Monogenea: Gyrodactylidea) from Lebiasina bimaculata (Characidae) in Peru . . . . . . . . . . 164
DUOBINIS-GRAY, L. F., E. A. URBAN, J. B. SICKEL, D. A. OWEN and W. E. MADDOX. Aspidogastrid (Trematoda) parasites of unionid (Bivalvia) molluscs in Kentucky Lake . . . . . . . . . . . . . . 167
AHO, J. M., A. O. BUSH, and R. WOLFE. Helminth parasites of bowfin (Amia calva) from South Carolina . . . . . . . . . . . . . . . 171
DYER, W. G., E. H. WILLIAMS, Jr., and L. BUNKLEY-WILLIAMS. Some digeneans (Trematoda) of the green turtle, Chelonia mydas (Testudines: Cheloniidae) from Puerto Rico . . . . . . . . . . . . . . . . 176
ETGES, F. J.. The proliferative tetrathyridium of Mesocestoides vogae sp. n. (Cestoda) . . . . . . . . . . . 181
HASEGAWA, H., E. H. WILLIAMS, Jr., and L. BUNKLEY-WILLIAMS. Nematode parasites from marine fishes of Okinawa, Japan . . . . . . . . . . . . . 186
XIAO, L. and H. C. GIBBS. Abomasal nematodes from the white-tailed deer (Odocoileus virginianus) in Maine . . . . . . . . . . . . . . . 198
ENDO, B. Y. and W. R. NICKLE. Ultrastructure of the intestinal epithelium, lumen, and associated bacteria in Heterorhabditis bacteriophora . . . . . . . . . 202
LYONS, E. T., S. C. TOLLIVER, J. H. DRUDGE, D. E. GRANSTORM, S. STAMPER, and S. S. COLLINS. Transmission of some internal parasites in horses born in 1989 on a farm in Central Kentucky . . . . . . . . . . . . . . . 213
LYONS, E. T., S. C. TOLLIVER, J. H. DRUDGE, T. W. SWERCZEK, and S. STAMPER. Transmission of gastrointestinal parasites in dairy calves on pasture in Central Kentucky from 1987 through 1989 . . . . . . . . . . . . . . . 220
SHOOP, W. L., H. W. HAINES, B. F. MICHAEL, C. H. EARY, and R. G. ENDRIS. Molineus barbatus (Trichostrongylidae) and other helminthic infections of the cat in Arkansas . . . . . . . . . . . . 227
LICHTENFELS, J. R., and P. A. PILITT. A rediscription of Osteragia bisonis (Nematoda: Trichostrongylidea) and a key to species of Ostertagiinae with a tapering lateral synlophe from domestic ruminants in North America . . . . . . . . . . . . 231
BUCKNER, R. L. New Locality for Leptorhynchoides aphredoderi (Acanthocephala: Rhadinorhychidae) . . . . . . . . . 245
GOLDBERG, S. R. and C. R. BURSEY. Gastrointestinal helminths of the northwestern alligator lizard, Gerrhonotus coeruleus principis (Angiudae) . . . . . . . . . . 246
STUDIER, E. H., K. H. LAVOIE, and C. M. CHANDLER. Biology of cave crickets, Hadenoecus subterraneus, and camel crickets, Ceuthophilus stygius (Insecta: Orthoptera): Parasitism by hairworms (Nematomorpha) . . . . . . . . . . 248
DUBEY, J. P., C. A. SPEER, A. N. HAMIR, M. J. TOPPER, C. BROWN, and C. E. RUPPRECHT. Development of a Sarcocystis-like apicomplexan protozoan in the brain of a raccoon (Procyon lotor) . . . . . . . . . . . 250
AMIN, O. M. Helminth parasites from some Tichigan Lake fishes in southeast Wisconsin . . . . . . . . . . . . . . . . . 255
MULROONEY, D. M., J. K. BISHOP, and G. L. ZIMMERMAN. First report of Ostertagia leptospicularis (Nematoda: Trichostrongyloidea) in calves (Bos taurus) from North America . . . . . . . . . . . . . . . . 260
MUZZALL, P. M. and C. R. PEEBLES. Helminths of the wood frog, Rana sylvatica, and spring peeper, Pseudacris c. crucifer, from southern Michigan . . . . . . . . . . . . . . . 263
GOLDBERG, S. R. and C. R. BURSEY. Parapharyngodan kartana in two skinks, Emoia nigra and Emoia samoense (Sauria: Scincidae), from Samoa . . . . . . . . . . . . 265
GOLDBERG, S. R. and C. R. BURSEY. Helminths of the red-spotted toad, Bufo punctatus (Anura: Bufonidae), from southern Arizonia . . . . . . . . . . . . . . . 267