9 
RTLA 927. Salt water crocodile, Crocodylus porosus 
Material: Four pieces of liver tissue 
Diagnosis: Severe fatty metamorphosis of the liver 
Submitter: J. C. Harshbarger and Mo Landolt 
RTLA 928. Rainbow trout (Steelhead), Salmo gairdneri 
Material: A piece of body wall with a gelatin-like growth between 
the skin and underlying muscle 
Diagnosis: Fibrosarcoma 
Submitter: G. R. Bell 
RTLA 929. Walleye, Stizostedion vitreum vitreum 
Material: Two nodules in skin 
Diagnosis: Fibromas with foci of ossification associated with lympho- 
cystis which occurred elsewhere in the same fish 
Submitter: E. Enamait 
RTLA 930. Oyster, Ostrea lurida 
Material: Four microscope slides 
Diagnosis: Diffuse mesenchymal sarcoma 
Submitter: M. C. Mix 
RTLA 931. Rainbow trout (Steelhead), Salmo gairdneri 
Material: One microscope slide from a gill tumor 
Diagnosis: Neoplasm of bipotential gill epithelium, manifest in some 
areas as an ameloblastoma and in other areas as a gill 
arch epithelioma 
Submitter: H. Wolf 
RTLA 932. Rainbow trout, Salmo gairdneri 
Material: Fourteen microscope slides; 1 color photograph 
Diagnosis: Chloroma 
Submitter: H. Wolf 
RTLA 933. Drosophila melanogaster 
Material: Two microscope slides 
Diagnosis: Prohemocytic leukemia 
Submitter: E. A. F. Gateff 
RTLA 934. Carp. 
Material: 
Diagnosis: 
Submitter: 
Cyprinus carpio 
Seventy-four microscope slides 
Sertoli cell tumor 
R. Sonstegard 
RTLA 935. "Ishimochi,” Argyrosomus argentatus 
Material: Nine black and white photographs; 3 paraffin blocks; 
six microscope slides 
Diagnosis: Melanoma 
Submitter: 1. Kimura 
Reprint: Kimura, Ikuo e_t £l. Melanoma on the skin in a teleost 
fish, Argyrosomus argentatus . Abstracts: Xlth Inter¬ 
national Cancer Congress, Florence, Italy, 20-26 October 
1974, 2: 174-175. 1974. 
