BROOKS, DANIEL R. Systematic Status of Proteocephalid Cestodes from Reptiles and Amphibians in North America with Descriptions of Three New Species . . . . . . 1
MACKIEWICZ, JOHN S. Duplication of Reproductive Systems in Monozois Cestodes (Caryophyllidea) . . . . . . 28
BROOKS, DANIEL R. and JAMES R. PALMIERI. Pronocephalid Trematodes from a Malaysian Turtle Including a New Species of Regnigonius Mehra, 1939 . . . . . . 34
KRITSKY, DELANE C. The Cephalic Glands and Associated Structures in Gyrodactylus eucaliae Ikezaki and Hoffman, 1957 (Monogenea: Gyrodactylidae) . . . . 37
BURN, PETER R. Protancyrocephaloides liopsettae gen. et sp. n. (Monopisthocotylea: Dactylogyridae) from Smooth Flounder, Liopsetta putnami (Gill) . . . . . . 49
BROOKS, DANIEL R. and DAVID BLAIR. Description of Acanthostomum quaesitum (Nicoll, 1918) Hughes, Higginbotham, and Clary, 1942 (Digenea: Cryptogonimidae) in Crocodylus johnsoni Kreft from Australia . . . . . . 53
KUNTZ, ROBERT E., BRUCE McCULLOUGH, TAO-CHENG HUANG and JERRY A. MOORE. The African Baboon (Papio cynocephalus Linnaeus 1766) as an Experimental Host for Schistosoma mattheei Veglia and Le Roux 1929 . . . . . . 56
HENDRICKSON, GARY L. Observations on Strideoid Trematodes from the Eyes of Southeastern Wyoming Fish. I Diplostomulum spathaceum (Rudolphi, 1819) . . . . 60
HENDRICKSON, GARY L. Observations on Strideoid Trematodes from the Eyes of Southeastern Wyoming Fish. II. Diplostomulum scheuringi Hughes, 1929; Neascus ptychocheilus (Faust, 1917); and Other Types . . . . . . 64
DUNAGAN, T. T. and DONALD M. MILLER. Muscles of the Reproductive System of Male Moniliformis moniliformis (Acanthocephala) . . . . . . 69
MUZZALL, PATRICK M. The Host-Parasite Relationships and Seasonal Occurrence of Fessisentis friedi (Acanthocephala: Fessisentidae) in the Isopod (Caecidotea communis) . . . . . . 77
COOMANS, A. and P. A. A. LOOF. Observations on the Subfamily Aetholaiminae Jairajpuri, 1965 (Nygolaimidae: Nematoda) . . . . . . 82
POINAR, GEORGE O. Jr. Thelastoma endoscolicum sp. n. (Oxyurida: Nematoda) a parasite of earthworms (Oligochaeta: Annelida) . . . . . . 92
POINAR, GEORGE O. Jr. Mesidionema praecomasculatis gen. et sp. n.; Mesidionematidae fam. N. (Drilonematoidea: Rhabditida), a Nematode Parasite of Earthworms . . . . . . 97
PENCE, DANNY B. Notes on Two Species of Filaroides (Nematoda: Filaroididae) from Carnivores in Texas . . . . . . 103
FUSCO, ALAN C. and DANIEL R. BROOKS. A new species of Spirocamallanus Olsen, 1952 (Nematoda: Camallanidae) from Trachycorstes insignis (Steindachner) (Pisces: Doradidae) in Colombia . . . . . . 111
CHRISTENSEN, BRUCE M. and ANDREW L. HOLLANDER. Effects of Temperature on Vector-Parasite Relationships of Aedes tricittatus and Dirofilaria immitis . . . . . . 115
MEYERS, THEODORE R. Prevalence of Fish Parasitism in Raritan Bay, New Jersey . . . . . 120
WILLIAMS, J. C., D. SHEEHAN and R. FUSELIER. Anthelmintic Activity of Oxibendazole Against Gastrointestinal Parasites of Cattle . . . . . . . 129
SCHMIDT, GERALD D. Phyllobtohrium kingae sp. n., a Tetraphyllidean Cestode from a Yellow-spotted Stingray in Jamaica . . . . . . 132
LEEK, ROBERT G. and R. FAYER. Infectivity of Sarocystis in Beef and Beef Products from a Retail Store . . . . . . 135
NICKOL, BRENT B. and FRED H. WHITTAKER. Neoechinorhynchus cylindratus (Acanthocephala) from the Troglodytic Fish, Amblyopsis spelaea, in Kentucky . . . 136
RAJASEKARIAH, G. R. and M. J. HOWELL. The Passage of Cysts of Fasciola heparica in the Feces of the Snail Intermediate Host . . . . . . 138
GRAY, GARY G., DANNY B. PENCE and C. DAVID SIMPSON. Helminths of Sympatric Barbary Sheep and Mule Deer in the Texas Panhandle . . . . . . 139
ASHTON, A. DANIEL and FRANCIS C. RABALAIS. Helminth Parasites of Some Anurans of Northwestern Ohio . . . . . . 141
WILLIAMS, DENNIS D. Larval Development of Glaridacris vogei (Cestoda: Caryophyllaeidae) . . . . . . 142
Errata . . . . . . 52
Author’s Note . . . . . . 59
Honorary Member . . . . . . 102
Honorary Degree . . . . . . 131
Obituary Notices . . . . . . 134
The Helminthological Society of Washington Constitution . . . . . . 144