75 
RTLA 586. Bluegill, Lepomis macrochirus 
Material: One gross specimen 
Diagnosis: Granulomas associated with defect in skeletal muscle 
adjacent to anal fin 
Submitter: D. Gaines 
RTLA. 587. Dinosaur, Allosaurus fragilis 
Material: Petrified bones 
Diagnosis: Various examples of callus formation, 
and perhaps ankylosis 
Submitter: J c H. Madsen, Jr. and M. A. Carey 
osteomyelitis 
RTLA 588. Boa constrictor. Boa constrictor 
Material: One piece of tissue 
Diagnosis: Fibroma versus fibrocarcinoma 
Submitter: B. L„ Burge 
RTLA 589o Atlantic salmon, Salmo salar 
Material: Five microscope slides 
Diagnosis: Epidermal carcinoma 
Submitter: R 0 J. Roberts 
RTLA 590. Rainbow trout, Salmo gairdneri 
Material: Three microscope slides 
Diagnosis: Unusual cells in the liver and the spleen believed 
to be a protozoan parasite. (Reminiscent of Leishmania) 
Submitter: R. J. Roberts 
RTLA 591. Alpine newt, Triturus alpestris 
Material: One microscope slide 
Diagnosis: Neuroepithelioma 
Submitter: J. Darquenne 
Reprint: Darquenne, Jacques. Actions de substances cancdrigenes 
sur le r^gdndrat de la queue de Triturus alpestris 
Laur. (Amphibiens, Salamandridds). C. R. Hebd. 
Seances Acad. Sci., Ser. D, Sci. Nat. (Paris), 273 (16): 
1460-1462. 1971. 
RTLA 592. Rainbow trout, Salmo gairdneri 
Material: One microscope slide 
Diagnosis: Hepatoma 
Submitter: C. E. Smith 
RTLA 593. Shortnose batfish, Ogcocephalus nasutus 
Material: One microscope slide 
Diagnosis: Lymphocystis -- the growth was 2-3 c. in diameter and 
was located on the caudal peduncle of the specimen 
Submitter: C. E. Smith 
RTLA 594. Cichlasoma festivum 
Material: Three pieces of stomach tissue; one microscope slide 
Diagnosis: Gastric leiomyoma 
Submitter: R. Bootsma 
