-13- 
RTLA 2405. Hermann's tortoise, Testudo hermannl 
Material;. Two microslides 
Diagnosis: Neurilemmal sarcoma 
Submitter: J. E. Cooper 
RTLA 2406. Walleye, Stlzostedlon vitreum vltreum 
Material: Three microslides; reprint 
Habitat; 
Diagnosis: 
Michigan; Houghton County, Torch Lake 
Liver - large, multiple, nematode granulomas; 
hepatocellular carcinoma, basophilic, well-dif¬ 
ferentiated type 
Spleen - large, parasplenic myxoid lesions: meso¬ 
thelioma versus reactive process 
Submitter; 
Reprint: 
J. J. Black 
Black, J. J., J. Harshbarger, R. F. Zeigel, and 
F. G. Bock. 1981. Tumors in fish from a copper 
contaminated lake. Proc. 72nd Annu. Meet. Am. Assoc 
Cancer Res. 70th Annu. Meet. Am. Soc. Clin. Oncol., 
22:134. (abstr.). 
Black, J. J., E. D. Evans, J. C. Harshbarger, 
and R. F. Zeigel. Epizootic neoplasms in fish 
from a lake polluted by copper mining wastes. 
J. Nat. Cancer Inst, (in press). 
RTLA 2407. Walleye, Stizostedlon vitreum vitreum 
Material: Three microslides 
Habitat: 
Diagnosis: 
Michigan: Houghton County, Torch Lake 
Liver - nematode granuloma; basophilic, incipient 
hepatocellular carcinoma nodule 
Submitter: 
Reprint: 
J. J. Black 
(See RTLA 2406) 
RTLA 2408. Walleye, Stizostedlon vitreum vitreum 
Material: Five microslides 
Habitat: 
Diagnosis: 
Michigan: Houghton County, Torch Lake 
Liver - nematode granuloma; hepatocellular carci¬ 
noma, basophilic, well-differentiated type 
Skin - ossifying fibroma 
Spleen - largely displaced by myxoid tissue: meso¬ 
thelioma versus reactive process 
Mesentery - helminthic granulomas 
Submitter: 
Reprint: 
J. J. Black 
(See RTLA 2406) 
RTLA 2409. Sauger, Stizostedlon canadense 
Material; Two microslides 
Habitat: 
Diagnosis: 
Michigan: Houghton County, Torch Lake 
Liver - nematode granulomas; hepatocellular car¬ 
cinoma, clear cell, well-differentiated type 
Submitter: 
Reprint: 
J. J. Black 
(See RTLA 2406) 
