-18- 
RTLA 2319. Rivulus, Rlvulus marmoratus 
Material: Four microslldes of liver tissue exposed to 
Habitat: 
diethylnitrosamine 
Laboratory; Grice Marine Biological Laboratory, 
Charleston, South Carolina 
Diagnosis: 
Hepatocarcinoma, fibrosis and adenofibrosis 
(cholangiofibrosis) 
Submitter: 
M. P. Chasar 
RTLA 2320, Striped bass, Morone saxatilis 
Material: One microslide 
Habitat: 
Montezuma Slough in the Suisun Marsh of the 
Sacramento-San Joaquin Delta near San Francisco 
Bay, California 
Diagnosis: 
Chronic inflammation involving skeletal muscle 
associated with bacteria 
Submitter: 
K. P. Lindstrom 
RTLA 2321-2324. 
Material: 
Habitat: 
Striped bass, Morone saxatilis 
One microslide each 
Off Chipps Island in the Sacramento-San Joaquin 
River Delta (RTLA 2321, 2322) 
Diagnosis: 
Chronic inflammation involving skeletal muscle 
associated with trematode infection 
Submitter: 
K. P. Lindstrom 
RTLA 2325. South African clawed frog, Xenopus laevis 
Material: 
Diagnosis: 
Enlarged spleen 
Possible lymphoma — too autolyzed for definitive 
diagnosis 
Submitter: 
R. Verhoeff-de Fremery 
RTLA 2326. Pool frog, Rana lessonae 
Material: Growth from liver 
Diagnosis: Granuloma 
Submitter: R. Verhoeff-de Fremery 
RTLA 2327. Shark 
Material: 
Tail with multiple raised, finger-like growths; 2 
microslides 
Diagnosis: 
Submitter: 
Ulcerative inflammatory lesions 
A. D. Woodhead 
RTLA 2328. Amazon molly, Poecllia Formosa 
Material: Two microslides of splenic tissue 
Diagnosis: 
Submitter: 
Ectopic thyroid follicles in spleen 
A. D. Woodhead 
RTLA 2329-2332. 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
Sydney rock oyster, Crassostrea coiranercialis 
Mantle tissue 
Nowra (Greenwell Point), New South Wales, Australia 
Papilloma 
P. H. Wolf 
