- 25 - 
RTLA 2499 (contd.) 
Diagnosis: Post-opercular cleft possibly resulting from in¬ 
jury and subsequent inflammation 
Submitter: F. J. Schwartz 
RTLA 2500. Loggerhead, Caretta caretta 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
Right flipper with multiple crater-like lesions 
North Carolina: from the Spit at Cape Lookout, 
east of Morehead City 
Atrophy of skeletal muscle and ulceration of flip¬ 
per associated with impeded blood flow due to oc¬ 
cluded vessels 
F. J. Schwartz 
RTLA 2501. Brown bullhead, Ictalurus nebulosus 
Material: Two pieces of tissue from adipose fin 
Habitat: Ohio, Lorain: Black River 
Diagnosis: Increased fat storage but within "normal" range 
Submitter: P. Baumann 
RTLA 2502. Brown bullhead, Ictalurus nebulosus 
Material: Tapioca-like growth at end of barbel 
Habitat: Ohio, Lorain: Black River 
Diagnosis: Epidermal papilloma 
Submitter: P. Baumann 
RTLA 
2503. Brown bullhead, Ictalurus nebulosus 
Material: Liver tissue with nodules; lips with growth 
Habitat: Ohio, Lorain: Black River 
Diagnosis: Liver - cholangiocarcinoma; lips - invasive 
low-grade epidermal carcinoma 
Submitter: P. Baumann 
RTLA 2504. Brown bullhead, Ictalurus nebulosus 
Material: Two pieces of liver tissue, each with nodules; 
lips with growth 
Habitat: Ohio, Lorain: Black River 
Diagnosis: Liver - hepatocellular carcinoma and cholangio¬ 
carcinoma; lips - epidermal papilloma 
Submitter: P. Baumann 
RTLA 2505. Brown bullhead, Ictalurus nebulosus 
Material: Smooth, bony growth from base of spine 
Habitat: Ohio, Lorain: Black River 
Diagnosis: Invasive, well-differentiated epidermal carcinoma 
Submitter: P. Baumann 
RTLA 2506. Brown bullhead, Ictalurus nebulosus 
Material: Skin from a growth located dorsally behind the head 
Habitat: Ohio, Lorain: Black River 
Diagnosis: Epidermal papilloma 
Submitter: P. Baumann 
