DUNCAN, BRYAN L. AND DOMINIC L. DE GIUSTI. Three New Lissorchiid Cercariaea of the Mutabile Group from Laevapex fuscus (Adams, 1841) and Ferrissia rivularis (Say, 1917) ……1
MACKIEWICZ, JOHN S. AND WILLIAM G. DEUTSCH. Rowardleus and Janiszewskella, New Caryophyllid Genera (Cestoidea: Caryophyllidea) from Carpiodes cyprinus (Catastomidae) in Eastern North America……9
BUSH, ALBERT O. AND DONALD J. FORRESTER. Helminths of the White Ibis in Florida……17
PENCE, DANNY B. AND STANLEY CASTO. Torquatoides crotophaga Williams, 1929 (Nematoda: Spiruridae: Habronematinae), from Cuculiform Birds in Texas……24
POINAR, GEORGE O., JR. AND GERARD M. THOMAS. Occurrence of Ascarophis (Nematoda: Spiruridae) in Callianassa californiensis Dana and Other Decapod Crustaceans……28
MAYES, MONTE A. Proteocephalus buplanensis sp. n. (Cestoda: Proteocephalidae) from the Creek Chub, Semotilus atromaculatus (Mitchill), in Nebraska……34
BAKER, JOHN C. AND JOHN L. CRITES. Parasites of Channel Catfish, Ictalurus punctatus Rafinesque, from the Island Region of Western Lake Erie ……37
GRUNDMANN, ALBERT W. AND PAUL S. LOMBARDI. Parasitism of the Pika, Ochotona princeps Richardson (Mammalia: Lagomorpha), in Utah and Nevada with the Description of Eugenuris utahensis sp. n. (Nematoda: Oxyuridae)……39
KRITSKY, DELANE C. AND FRANCIS J. KRUIDENIER. Fine Structure and Development of the Body Wall in the Monogenean, Gyrodactylus eucaliae Ikezaki and Hoffman, 1957……47
SPECIAN, ROBERT D. AND JOHN E. UBELAKER. Redescription of a Nematode, Seuratum cancellatum Chitwood, 1938, from Bats in Texas……59
FISCHTHAL, JACOB H. AND ROBERT E. KUNTZ. Some Digenetic Trematodes of Birds from Taiwan……65
KIMBELL, JOHN W. Pevelance of Dirofilaria immitis in Northern Virginia……80
ANDREWS, JOHN S., CHARLES H. HILL, AND LAWRENCE A. HENSON. Evaluation of a Trichina-cyst Antigen for the Intradermal Diagnosis of Trichiniasis in live Hogs……81
COMBS, D. L., J. C. WILLIAMS, AND J.P. HARLEY. New Host Records for Anonchohaptor muelleri (Trematoda: Monogenea) from Catastomid Fishes of the Kentucky River……84
MARTIN, D. R. New Host and Distribution Records of Helminth Parasites of the Mexican Free-tail Bat, Tadaria brasiliensis, from Texas and Louisiana……85
DICKINSON, ANTHONY B. AND WILLIAM THRELFALL. Some Parasites of Fundulus diaphanous and Pungitius pungitius from Insular Newfoundland……86
CONTOS, NICHOLAS AND BERNARD FRIED. Histochemical Observations on the Body Surface of Leucochloridiomorpha constantiae (Trematoda) Cultivated in Vitro……88
MCCALLISTER, GARY L. Effect of Haloxon and Thiabendazole on the Free-living Stages of Haemonchus contortus……89
JOY, JAMES E. AND W. WAYNE PRICE. Macrovalvitrematoides micropogoni (Pearse, 1949) (Monogenea: Diclidophoridea) on the Atlantic Croaker, Micropogon undulates (Linnaeus) from Texas……90
BROOKS, DANIEL R. AND NANCY J. WELCH. Parasites of Amphibians of the Great Plains. I. The Cercaria of Cephalogonimus brevicirrus Ingles, 1932 (Trematoda: Cephalogonimidae)……92
Presentation – 1974 Anniversary Award of the Helminthological Society of Washington……95
Boom Review……94
In Memoriam……98
International Register of Computer Projects in Systematics……97
Errata……98