11 
RTLA 7o White sucker, Catostomus commersoni 
Material: Three fish; 3 slides 
Diagnosis: Cholangiocellular neoplasms; no evidence of metastases 
Submitter: C. J. Dawe, M. Stanton, and F„ Schwartz 
Reprint: Dawe, Clyde J., Mearl F. Stanton, and Frank J. Schwartz. 
Hepatic Neoplasms in Native Bottom-feeding Fish of Deep 
Creek Lake, Maryland. Cancer Res., 24(7): 1194-1201. 1964, 
RTLA 8. Brown bullhead, Ictalurus nebulosus 
Material: One fish; 2 slides 
Diagnosis: (1) Regenerative hepatic nodules 
(2) Minimal deviation hepatomas 
Submitter: C. J. Dawe and M, Stanton 
Reprint: [see RTLA 7] 
RTLA 9. Brown bullhead, Ictalurus nebulosus 
Material: Three slides; 1 photograph 
Diagnosis: Chronic inflammation -- foreign body reaction 
Submitter: C. J. Dawe 
RTLA 10c Chain pickerel, Esox niger 
Material: Two slides 
Diagnosis: Pseudobranch (normal) 
Submitter: C. J. Dawe 
RTLA 11c Goldfish, Carassius auratus 
Material: Two slides 
Diagnosis: Neurilemmoma 
Submitter: T. M e Scotti 
RTLA 12o Green 
Material: 
Diagnosis: 
Submitter: 
turtle, Chelonia mydas 
Three bottles of wet tissue; 4 photographs; 2 slides 
Fibropapillomas 
Gc He Waddell 
RTLA 13 c Shark 
Material: Wet tissue; 4 slides; 2 photographs 
Diagnosis: (1) Subepicardial hemorrhages in association with 
lymphoid aggregates 
(2) Myocardial infestation by indeterminate 
organism -- possible sarcosporidia 
Submitter: R» F. Mathewson 
RTLA 14. Largemouth bass, Micropterus salmoides 
Material: One fish; 1 slide; 4 photographs 
Diagnosis: Intra-epidermal nevus 
Submitter: C 0 J. Dawe 
RTLA 15. Largemouth bass, Micropterus salmoides 
Material: One fish; 1 slide, 5 photographs 
Diagnosis: Ossifying fibroma 
Submitter: Cc J« Dawe 
