LINDSAY, D. S.. S. J. UPTON, C. A. SUNDERMANN, R. D. McKOWN, and B. L. BLAGBURN. Caryospora tremula and Sarcocystis sp. from Turkey Vultures, Cathartes aura: Descriptions of Oocysts and Sporocysts and Attempted Transmission to Rodents ........................................................................12
THOMAS, D. M. and N. L. STANTON. Eimerian Species (Apicomplexa: Eimeriina) in Gunnison's Praire Doge (Cynomys gunnisoni zuniensis) and Rock Squirrels (Spermophilis variegatus grammurus) from Southeastern Utah ...................................................17
CLOUTMAN, D. G. Two New Species of Dactylogyrus (Monogenea: Dactylogyridae) from Notropis alborus (Pisces: Cyprinidae), with Comments on Inferred Host Relationships ......................................22
KRITSKY, D. C., V. M. VIDAL MARTINEZ, and R. RODRIGUEZ-CANUL. Neotropical Moogenoidea. 19. Dactylogyridae of Cichlids (Perciformes) from the Yucatán Penninsula, with Descriptions of Three New Species of Sciadicleithrum Kritsky, Thatcher, and Boeger, 1989 ..........................................26
BOEGER, W. A., D. C. KRITSKY, and E. BELMONT-JÉGU. Neotropical Monogenoidea. 20. Two New Species of Oviparous Gyrodactylidea (Polyonchoinea) from Loricariid Catfishes (Siluriformes) in Brazil and the Phylogenetic Status of Ooegyrodactylidae Harris, 1983 .......................................34
RAGA, J. A., J. AZNAR, J. A. BALBUENA, and M. D. DAILEY. Hadwenius pontoporiae sp. n. (Digenea: Campulidae) from the Intestine of Franciscana (Cetacea: Pontoporiidae) in Argentinean Waters .............45
MARIAUX, J. Avian Cestodes of the Ivory Coast .................................................................50
BA, C. T., X. Q. WANG, F. RENAUD, L. EUZET, B. MARCHAND, and T. De MEEUS. Diversity in the Genera Avitellina and Thysaniezia (Cestoda: Cyclophyllidea): Genetic Evidence .......................57
DRONEN, N. O., R. M. PITTS, and M. J. SMOLEN. Monoecocestus centroovarium sp. n. (Cestoda: Anoplocephalidae) from Attwater's Pocket Gopher, Geomys attwateri, from the San Antonio Area of Texas ......61
ANDERSON, R. C. and P. L. WONG. New Species of Skrjabinoclava (Nematoda: Acuarioidea) from the Semipalmated Sandpiper (Salidris pusilla) (Aves: Scolopacidae) ...........................................64
MUZZALL, P. M. Parasites of Alewives, Alosa pseudoharengus, from the Great Lakes .....................67
GOLDBERG, S. R., C. R. BURSEY, and R. TAWIL. Gastrointestinal Helminths of Sceloporus Lizards (Phrynosomatidae) from Arizona ...................................73
FORRESTER, D. J. J. M. KINSELLA, J. W. MERTINS, R. D. PRICE, and R. E. TURNBULL. Parasitic Helminths and Arthropods of Fulvous Whistling-Ducks (Dendrocygna bicolor) in Southern Florida .................84
JOLLEY, W. R., N. KINGSTON, E. S. WILLIAMS, and C. LYNN. Coccidia, Giardia sp., and a Physalopteran Nematode Parasite from Black-footed Ferrets (Mustela nigripes) in Wyoming .........89
HASEGAWA, H., J. KOBAYASHI, and M. OTSURU. Helminth Parasites Collected from Rattus rattus on Lanyu, Taiwan ..............................................................................95
MULVEY, M. and S. M. BANDONI. Genetic Variability in the M-Line Stock of Biomphalaria glabrata (Mollusca: Planorbidae) .........................................................................103
KRECEK, R. C., E. HILL, and H. J. ELS. Biological Studies of Filamentous Bacteria Associated with Cyathostomes from a Burchell's Zebra Hindgut ...............................................................109
DUBEY, J. P. and O. BWANGAMOI. Sarcocystis felis (Protozoa: Sarcocustidae) from the African Lion (Panthera leo) .............................................................................................113
LINDSAY, D. S., P. C. SMITH, and B. L. BLAGBURN. Prevalence and Isolation of Toxoplasma gondii from Wild Turkeys in Alabama .....................................................................115
BRILLHART, D. B., L. B. FOX, J. P. DUBEY, and S. J. UPTON. Seroprevalence of Toxoplasma gondii in Wild Mammals in Kansas ......................................................................117
EGGLESTON, M. T., M. TILLEY, and S. J. UPTON. Enhanced Development of Cryptosporidium parvum In Vitro by Removal of Oocyst Toxins from Infected Cell Monolayers .....................................122
McKINDSEY, C. W. and J. D. McLAUGHLIN. Hatching Dynamics of Eggs as Further Evidence for the Existance of Two Separate Species of Sphaeridiotrema (Digenea) in Eastern North America ..............126
FORRESTER, D. J., S. R. TELFORD, Jr., and G. W. FOSTER. Heterobilharzia americana (Trematoda: Schistosomatidae) from White-tailed Deer (Odocoileus virginianus) in Southern Florida .....128
ANDERSON, R. C., P. L. WONG, and C. M. BARTLETT. Skrjabinoclava aculeata (Acuarioidea: Acuariidae) in Dunlins (Calidris alpina) from Both Iceland and Louisiana, U.S.A. .................................129
WILLIAMS, E. H., Jr., L. BUNKLEY-WILLIAMS, and E. M. BURRESON. Some New Records of Marine and Freshwater Leeches from Caribbean, Southeastern U.S.A., Eastern Pacific, and Okinawan Animals ................133
PÉREZ-PONCE DE LEÓN, G. B. MENDOZA G., and G. PULIDO F. Helminths of the Charal Prieto, Chirostoma attenuatum (Osteichthys: Atherinidae), from Patzcuaro Lake, Michoacan, Mexico ....................139
BURSEY, C. R. and S. R. GOLDBERG. Persistance of the Component Parasite Community of Yarrow's Spiny Lizard, Sceloporus jarrovii, 1967-1991 ......................................................................................141
TAFT, S. J., R. N. ROSENFIELD, and J. BIELEFELDT. Avian Hematozoa of Adult and Nestling Cooper's Hawks, (Accipiter cooperii) in Wisconsin ........................................................................................146