PAYNE, R. R. Two New Monogenea (Macrovalvitrematidae) from Eastern Pacific Ocean Fishes . . . . . . . 169
KRITSKY, D. C., S.-D. KULO, and W. A. BOEGER. Resurrection of Characidotrema Paperna and Thursten, 1968 (Monogenea: Dactylogyridae) with Description of Two New Species from Togo, Africa . . . . . . . 175
BENZ, G. W. Dermophthirius penneri sp. n. (Monogenea: Microbothriidae) an Ectoparasite of Carcharhinid Sharks, Carcharhinus brevipinna and Carcharhinus limbatus . . . . . . . . . . 185
FONT, W. F. Partial Life Cycle and Fish Hosts of Bolbogonotylus corkumi gen. et sp. n. and Cryptogonimus chyli (Digenea: Cryptogonimidae) in Wisconsin . . . . . . . . . . . . . 191
BEVERLEY-BURTON, M. Ophioxenos microphagus (Ingles, 1936) comb. N. (Digenea: Paramphistomidae) from Ectotherms in Western North America with Commentson Host-Parasite Relationships . . . . . . . . . . . . . 197
HUEHNER, M. K. Asidogastrid and Digenetic Trematode Single and Double Infections in the Gastropod, Elimia livescens, from the Upper Cuyahoga River . . . . . . . . . . . . . . . . 200
BOISVENUE, R. J., and J. C. HENDRIX. Studies on the Location of Adult Fringed Tapeworms, Thysanosoma actinioides, in Feeder Lambs . . . . . . . . . . 204
AUGUSTINE, P. C. and H. D. DANFORTH. Use of Monoclonal Antibodies to Study Surface Antigens of Eimeria Sporzoites . . . . . . . 207
KRECEK, R. C., R. M. SAYRE, H. J. ELS, J. P. VAN NIEKERK, and F. S. MALAN. Fine Structure of a Bacterial Community Associated with Cyathostomes (Nematoda: Strongylidae) of Zebras . . . . . . . . . . . 212
ADAMSON, M. L. and A. K. NASHER. Hammerschmidtiella andersoni sp. n. (Thelastomatidae: Oxyurida) from the Diplopod, Archispirostreptus tumuliporus, in Saudi Arabia with Comments on the Karyotype of Hammerschmidtiella diesingi . . . . . . . . . . . . . 220
GEORGI, J. R., M. E. GEORGI, J. JIANG, and M. FRONGILLO. Molossinema wimsatti gen. et sp. n. (Nematoda: Onchocercinae) from the Brain of Molossus ater (Chiroptera: Molossidae) . . . . . . . . . . . . . 225
STROMBERG, B. E. and S. M. PROUTY. Prevalence of Trichinellosis in the North-Central United States . . . . . . . . . . . . 231
LYONS, E. T., J. H. DRUDGE, and S. C. TOLLIVER. Epizootiology of Internal Parasites in Lambs and Ewes During the Periparturient Period in Kentucky in 1986 . . . . . . . . . . 233
HASEGAWA, H. Meteterakis ishikawanae sp. n. (Nematoda: Heterakidae) from the Frog, Rana ishikawae, on Okinawa Island, Japan . . . . . . . . . . . . 237
LYONS, E.T., J.H. DRUDGE, S.C. TOLLIVER, and T.W. SWERCZEK. Infectivity of Trichostrongylus axei for Bos taurus Calves After 25 Years of Passages in Rabbits, Oryctolagus cuniculus . . . . . . . . . . . 242
KINSELLA, J. M. Studies on the Life Cycle and Host Specificity of Parastrongylus schmidti (Nematoda: Angiostrongylidae) . . . . . . . . . . . 245
FOLZ, S. D., R. A. PAX, E. M. THOMAS, J. L. BENNETT, B. L. LEE, and G. A. CONDER. Motility Response of Benzimidazole-resistant Haemonchus contortus Larvae to Several Anthelmintics . . . . . . . . . . . 249
GEE, R. J. A Unique Postganglionic Cell in the Praesoms in the Genus Neoechinorhynchus (Acanthocephala) . . . . . . . . . . . . 254
McALLISTER, C. T., and S. J. UPTON. Endoparasites of the Smallmouth Salamander, Ambystoma texanum (Caudata: Ambystomatidae) from Dallas County, Texas . . . . . . . . . . . . . . 258
HILDRETH, M. B. and R. R. LAZZARA. Excystment in the Plerocercus Metacestode of Otobothrium insigne (Cestoda: Trypanorhyncha) . . . . . . . . 262
SALAZAR-SCHETTINO, P. M., I. DE HARO ARTEAGA, M. VOGE, and A. R. HERNANDEZ. Observations on the Surface of Taenia solium Following Treatment with Niclosamide . . . . . . . . . . . . 263
BOYCE, W. M., C. H. COURTNEY, S. R. WING, and E. W. KUROSE. In Vitro Maintenance of the Pentastome Sebekia mississippiensis . . . . . . . . . . . 265
SELLERS, L. G. and G. GRAHAM. Trematodes of Cuban Brown Anoles, Anolis sagrei sagrei, from Florida . . . . . . . . . . . . . 266
FRIED, B. and K. KLETKEWICZ. Excystation of Echinostoma revolutum Metacercariae (Trematoda) in the Domestic Chick . . . . . . . . 267
CASTLE, M. D., D. A. STROHLEIN, and B. M. CHRISTENSEN. Helminth Parasites of the Cave Salamander, Eurycea lucifuga, from Western Kentucky . . . . . . . . 269
McALLISTER, C. T. Protozoan and Metazoan Parasites of Strecker's Chorus Frog, Pseudacris streckeri streckeri (Anura: Hylidae), from North-Central Texas . . . . . . . . . . . . 271
DEARDORFF, T. L., J. ALTMAN, and C. M. NOLAN. Human Anisakiasis: Two Case Reports from the State of Washington . . . . . . . . . . . . . 274
MUZZALL, P. M. and M. R. BAKER. First Report of Hedruris siredonis (Nematoda: Hedruridae) from North American Frogs . . . . . . . . . . 276
CARRINGTON, M. J., D. P. JASMER, and B. A. McFADDEN. Activities of Isocitrate Lyase and Malate Synthase During the Development of Free-living Stages of Haemonchus contortus (Nematoda) . . . . . . . . . . . . 277
EVERITT, J.I., E.J. BASGALL, S.B. HOOSER, and K.S. TODD, JR. Sarcocystis sp. in the Striated Muscle of Domestic Cat, Felis Catus . . . . . . . . . . . . 279