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RTLA 2210. Rainbow trout, Salmo gairdneri 
Matprial: Two pieces of tissue from a kidney growth; 
1 color transparency 
Habitat: Holter Reservoir, Montana 
Diagnosis: Nephroblastoma 
Submitter: C. E. Smith 
1 mlcrosllde 
RTLA 2211. Coho 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
salmon, Oncorhynchus klsutch 
Piece of thyroid tissue; 1 mlcrosllde 
Probably Lake Erie (via Falrvlew, Pennsylvania State 
Fish Hatchery) 
Goiter 
C. E. Smith 
RTLA 2212. Coho 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
salmon, Oncorhynchus klsutch 
Piece of thyroid tissue with attached gill 
Probably Lake Erie (via Falrvlew, Pennsylvania State 
Fish Hatchery) 
Goiter versus thyroid carcinoma 
C. E. Smith 
RTLA 2213. Brown trout, Salmo trutta 
Material: Six mlcroslldes; 2 color transparencies 
Habitat: Hamilton Harbour, Lake Ontario 
Diagnosis: Gill hamartoma 
Submitter: R. D. Moccla 
RTLA 2214. Rainbow trout, Salmo gairdneri 
Material: Two mlcroslldes of a lesion In the pyloric cecal area 
Habitat: Hagerman Valley, Idaho 
Diagnosis: Infarction of portion of gastrointestinal tract; 
enteritis 
Submitter: T. N. Otto 
RTLA 2215. Pink salmon, Oncorhynchus gorbuscha 
Material: One mlcrosllde; 1 color photograph; 4 black and white 
photographs 
Habitat: Mori Hatchery, Hokkaido, Japan 
Diagnosis: Epidermal papilloma 
Submitter: T. Awakura 
RTLA 2216. Rainbow trout, Salmo gairdneri 
Material: Three mlcroslldes 
Diagnosis: Ichthyosporldlum (= Ichthyophonus ) Infection In kidney 
Submitter: T. Awakura 
RTLA 2217. Brown trout, Salmo trutta 
Material: Five pieces of tissue, each with a growth; 2 color 
transparencies 
Habitat: Lake Sedgemere, South Island, New Zealand 
Diagnosis: Malignant neurilemmoma 
Submitter: N. Boustead 
