MUNDO-OCAMPO, M., and J.G. BALDWIN. Comparison of Host Response of Cryphodera utahensis with the Other Heteroderidae, and a Discussion of Phylogeny…25
HUETTEL, R.N., D.W. DICKSON, and D.T. KAPLAN. Radopholus citrophilus sp. n. (Nematoda), a Sibling Species of Radopholus similis…32
PRENCEPE, A., M. BIANCO, D.R. VIGLIERCHIO, and A. SCOGNAMIGLIO. Response of the Nematode Panagrellus silusiae to Hypertonic Solutions…36
BIANCO, M., A. PRENCEPE, D.R. VIGLIERCHIO, and A. SCOGNAMIGLIO. Response of Panagrellus silusiae Males (Nematoda) to Hypertonic Solutions of Selected Solutes…42
EBERHARD, M.L., and T.C. ORIHEL. Loaina gen. n. (Filarioidea: Onchocercidae) for the Filariae Parasitic in Rabbits in North America…49
BOWMAN, D.D. Hexametra leidyi sp. n. (Nematoda: Ascarididae) from North American Pit Vipers (Reptilia: Viperidae)…54
NELSON, P.D., and F.W. DOUVRES. In Vitro Development of Trichostrongylus colubriformis from Fourth-Stage Larvae to Yong Adults in a Chemically Defined Medium…62
MURRELL, K.D., H.R. GAMBLE, and G.A. SCHAD. Experimental Transmission of Trichinella spiralis to Swine by Infected Rats…66
BAKER, M.R. The Systematic Position of the Inglisonematinae Mawson, 1968 (Nematoda)…69
WARD, J.B., R.M. NORDSTROM, and L.W. BONE. Chemotaxis of Male Nippostrongylus brasiliensis (Nematoda) to Some Biological Compounds…73
AMIN, O.M. Camallanid and other Nematode Parasites of Lake Fishes in Southeastern Wisconsin…78
HO, L., L.R. ASH, and M. VOGE. Scanning Electron Microscope Studies of Adults, First- and Third-Stage Larvae of Angiostrongylus cantonensis (Nematoda: Metastrongyloidea)…85
MUZZALL, P.M. Observations on Two Acanthocephalan Species Infecting the Central Mudminnow, Umbra limi, in a Michigan River…92
DUNAGAN, T.T., and D.M. MILLER. Posterior Dorsal and Lateral Medial Nerves of Macracanthorhynchus hirudinaceus (Acanthocephala)…98
DUNAGAN, T.T., and D.M. MILLER. Anterior Lateral and Anterior Ventral Nerves from the Cerebal Ganglion of Macracanthorhynchus hirudinaceus (Acanthocephala)…102
STAMPER, J.D. and G.D. SCHMIDT. Angularella audubonensis sp. n. (Dilepididae) and Other Cestodes of Cliff Swallows in Colorado…106
CALENTINE, R.L. Biology of Archigetes (Caryophyllaeidae) in Limnodrilus hoffmeisteri (Tubificidae)…109
COIL, W.H. Studies on the Development of Dioecocestus acotylus (Cestoda) with Emphasis on the Scanning Electron Microscopy of Embryogensis…113
CAMPBELL, R.A. and A.D. WILLIAMS. Tylocephalum Linton, 1890 (Cestoda: Lecanicephalidea) from the Cownose Ray, Rhinoptera bonasus (Mitchill, 1815) with a Discussion of Its Validity and Systematic Relationships…121
BLAIR, D. Elytrophallus carettae sp. n. (Digenea: Hemiuridae) from the Stomach of Loggerhead Turtles (Caretta caretta (L.)) from Australia…135
FRIED, B., W.B. LeFLORE, and H.S. BASS. Histochemical Localization of Hydrolytic Enzymes in the Cercaria and Excysted Metacercaria of Echinostoma revolutum (Trematoda)…140
STEK, M., Jr., G.V. HILLYER, D.F. CRUESS, and E.G. HAYGUNGA. Immunization in Murine Schistosomiasis Using Soluble Schistosoma mansoni Antigens and Irradiation-attenuated Vaccines…144
BASS, H.S. and W.B. LeFLORE. In Vitro Excystment of the Metacercaria of Acanthoparyphium spinulosum (Trematoda: Echinostomatidae)…149
FAYER, R., H.R. GAMBLE, and J.V. ERNST. Isospora suis: Development in Cultured Cells with Some Cytological Observations…154
HELLGREN, E.C., R.L. LOCHMILLER, and W.E GRANT. Infection of Captive Adult Collared Peccaries, Dicotyles tajacu (Woodburne, 1968), with the Nematode, Ascaris suum (Goeze, 1782)…160
KNIGHT, R.A. and D.W. TUFF. Trichuris spp. (Nematoda: Trichuridae) in Sika Deer (Cervus nippon) in Texas…161
TUGGLE, B.N. and B.A. BEEHLER. The Occurrence of Pterygodermatites nycticebi (Nematoda: Rictulariidae) in a Captive Slow Loris, Nyciticebus coucang…162
STRINGFELLOW, F. A Unique Bioassay: Haemonchus contortus Adult Male Spicule Sheaths Attract Conspecific Larvae…163
BACHA, W.J., Jr. Cloacal Drop Inoculation of Trematode Larvae, a Mechanical Aspect…165
FONT, W.F. Occurrence of Leucochloridiomorpha constantiae and Amblosoma pojmanskae Metacercariae in the Southeastern United States…166
JOY, J.E. Prevalence of the Ancyrocephalinae (Monogenea) on Largemouth and Spotted Basses in Beech Fork Lake, West Virginia…168
AUGUSTINE, P.C. and J.M. VETTERLING. Effect of Concanavalin A-Binding Sites on Invasion of Cultured Cells by Eimeria tenella Sporozoites…171
HAYUNGA, E.G. Anatomical Anomalies in a Leech, Cystobranchus meyeri (Hirudinea: Piscicolidae), Infesting the White Sucker, Catostomus commersoni Lacépède…172
COIL, W.H. SEM of Tapeworm Flame Cells…174