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RTLA 1934 (contd.) 
Material: One microslide 
Habitat: Collected from sediments near the dock of the Graduate 
School of Oceanography, Kingston, Rhode Island 
Diagnosis: Pending 
Submitter: H. Diamond 
RTLA 1935. Sheepshead minnow, Cyprinodon variegatus 
Material: Four microslides of large, whitish nodules scattered 
throughout the surface of the fish 
Habitat: Succotash Marsh, Jerusalem, Rhode Island 
Diagnosis: Xenoma -- due to an infestation of protozoan parasites 
probably microsporida 
Submitter: T. Le Foley 
RTLA 1936. Eastern brook trout, Salvelinus fontinalis 
Material: One microslide of liver and kidney tissue 
Habitat: Moccasin Creek Hatchery near Sonora, California 
Diagnosis: Visceral granuloma 
Submitter: H. Wolf 
RTLA 1937. Yellow rat snake, Elaphe obsoleta 
Material: One microslide of growth located in the mouth 
Habitat: Pet 
Diagnosis: Transitional cell carcinoma 
Submitter: R. M. Sauer 
RTLA 1938. Rainbow trout, Salmo gairdneri 
Material: One microslide 
Diagnosis: Displacement and dysplasia of lens epithelium concomi¬ 
tant with liquefaction of the crystalline lens 
Submitter: L. Crutcher 
RTLA 1939. Koi 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
carp, Cyprinus carpio 
One microslide 
Female breeder fish owned by the G. K. Fish Hatchery, 
California 
Invasive adenocarcinoma 
S. Daspit 
RTLA 1940. European flat oyster, Ostrea edulis 
Material: Four microslides; collecting data 
Habitat: North Breton coast: Paimpol, France 
Diagnosis: Hematopoietic neoplasm 
Submitter: G. Balouet 
RTLA 1941. European flat oyster, Ostrea edulis 
Material: Four microslides; collecting data 
Habitat: South Brittany (Morbihan): St. Philibert, France 
Diagnosis: Hematopoietic neoplasm 
Submitter: G. Balouet 
