58 
RTLA 426. Flathead sole. Hipposlossoides elassodon 
Material: Gross specimen with growth involving middle half of 
non-pigmented side 
Diagnosis: Epidermal papilloma 
Submitter: J. S. Laurie 
RTLA 427. Flathead sole, Hippoglossoides elassodon 
Material: Gross specimen with tumor on tail fin 
Diagnosis: Epidermal papilloma 
Submitter: J. S. Luarie 
RTLA 428. Western diamondback rattler, Crotalus atrox 
Material: Cyst-like growth from liver 
Diagnosis: Granuloma due to large gram-positive rod-shaped bacteria 
Submitter: J. T. Self 
RTLA 429o Western diamondback rattler, Crotalus atrox 
Material: Tissue -- growth from dorsal musculature 
Diagnosis: Mycotic granuloma 
Submitter: J 0 T. Self 
RTLA 430o Coho salmon, Oncorhynchus kisutch 
Material: Two pieces of tissue 
Diagnosis: Sarcoma of probable peripheral nerve sheath origin 
Submitter: G. R„ Bell 
RTLA 431. Atlantic salmon, Salmo salar 
Material: Gross specimen with growth on gills 
Diagnosis: Probable thyroid carcinoma; autolysis too advanced 
for definitive diagnosis 
Submitter: J„ W. Saunders 
RTLA 432. Pencilfish, Poecilobrycon harrisoni 
Material: Gross specimen with doughnut-shaped lesion around vent 
Diagnosis: Anal epithelioma 
Submitter: S. H. Weitzman 
RTLA 433. Goldfish, Carassius auratus 
Material: Gross specimen with multiple cuticular lesions 
Diagnosis: Schlumberger's neurilemmoma versus fibrosarcoma 
Submitter: B. M. Levy 
Reprint: Duncan, Thomas E. and James C. Harkin. Electron 
Microscopic Studies of Goldfish Tumors Previously 
Termed Neurofibromas and Schwannomas. Am. J. Pathol. 
55(2): 191-202. 1969. 
RTLA 434. Goldfish, Carassius auratus 
Material: Gross specimen with multiple cuticular lesions 
Diagnosis: Schlumberger's neurilemmoma versus fibrosarcoma 
Submitter: B. M. Levy 
Reprint: [see RTLA 433] 
