21 
RTLA 1044. Brown trout, Salmo tmtta 
Material: Large growth with attached stomach; 4 microscope slides; 
3 black and white photographs 
Diagnosis: Leiomyoma 
Submitter: P. M. Hine 
RTIA 
1045. Coho 
Material: 
Diagnosis: 
Submitter: 
salmon, Oncorhynchus kisutch 
Three pieces of tissue with lesions on the skin 
Abscess of scale pockets; etiology undetermined 
Jo Go Hnath 
RTLA 104b. Lake trout, Salvelinus namaycush 
Material: Tissue from a kidney tumor and from a tumor on gill arches 
Diagnosis: Malignant well-differentiated lymphocytic lymphoma 
Submitter: Jo Go Hnath 
RTLA 1047. Yellow bullhead, Ictalurus natalis 
Material: One gross specimen with black spots and raised areas 
on the head 
Diagnosis: Epidermal hyperplasia 
Submitter: J, A. Couch and Bream Fishermen Association 
RTLA 1048. Yellow bullhead, Ictalurus natalis 
Material: One gross specimen with black spots and raised areas 
on the head 
Diagnosis: Incipient epidermal papillomas 
Submitter: Jo Ao Couch and Bream Fishermen Association 
RTLA 1049. Yellow bullhead, Ictalurus natalis 
Material: One gross specimen with black spots and raised areas 
on the head 
Diagnosis: Epidermal hyperplasia 
Submitter: J. A. Couch and Bream Fishermen Association 
RTLA 1050. Indian monitor lizard, Varanus bengalensis 
Material: Two microscope slides 
Diagnosis: Metaplastic bile ducts probably due to toxicosis 
Submitter: Fo L. Frye 
RTLA 1051. Hybrid frog, Rana palustris x pipiens 
Material: One microscope slide 
Diagnosis: Renal adenocarcinoma; induced by 5090 x G fraction 
of Luck^ tumor 
Submitter: Do J. Mulcare 
Reprint: Mulcare, Donald Jo Non-Specific Transmission of the Luckd 
Tumor. In: Biology of Amphibian Tumors , M. Mizell (ed.), 
ppo 240-253, Springer-Verlag, New York, 1969o 
RTLA 1052o Leopard frog, Rana pipiens 
Material: One microscope slide of blister on kidney 
Diagnosis: Invasive tumor vesicle induced by virus rich 5090 x G 
fraction of Luck^ tumor 
Submitter: D. Jo Mulcare 
Reprint: [See RTLA 1051] 
