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RTLA 386. Yellow bullhead, Ictalurus natalis 
Material: Gross specimen with small protrusion near left 
pectoral fin 
Diagnosis: Epidermal (mucus cell) papilloma 
Submitter: G. G. Combs 
RTLA 387. Yellow bullhead, Ictalurus natalis 
Material: Gross specimen with multiple raised lesions on 
dorsal and ventral surface of head 
Diagnosis: Epidermal papilloma 
Submitter: G. G. Combs 
RTLA 
388. Brown 
Material: 
Diagnosis: 
Submitter: 
bullhead, Ictalurus nebulosus 
Rear portion of fish with one cm growth on anal fin 
Early lipoma 
Go G. Combs 
RTLA 389. Brown bullhead, Ictalurus nebulosus 
Material: Rear portion of fish with two protrusions anterior to 
rear dorsal fin 
Diagnosis: Early lipoma 
Submitter: G. Go Combs 
RTLA 390. Yellow bullhead, Ictalurus natalis 
Material: Gross specimen with growth in left corner of mouth 
on lower lip 
Diagnosis: Fibrocartilage nodule; possibly caused by injury 
Submitter: G. G. Combs 
RTLA 391. Brown bullhead, Ictalurus nebulosus 
Material: Fish head with soft lesion in right corner of mouth 
on lower lip 
Diagnosis: Epidermal hyperplasia 
Submitter: G. G. Combs 
RTLA 
392. Brown 
Material: 
Diagnosis: 
Submitter: 
bullhead, Ictalurus nebulosus 
Fish head with one cm growth in floor of mouth 
Epidermal carcinoma 
Go Go Combs 
RTLA 
393. Brown 
Material: 
Diagnosis: 
Submitter: 
bullhead, Ictalurus nebulosus 
Fish head with small lesion on upper lip 
Epidermal papilloma 
G. G. Combs 
RTLA 394. Brown bullhead, Ic talurus nebulosus 
Material: Fish head with lesion inside mouth in upper left corner 
Diagnosis: Epithelial carcinoma 
Submitter: G. Go Combs 
RTLA 395. Brown 
Material: 
Diagnosis: 
Submitter: 
bullhead, Ictalurus nebulosus 
Fish head with lesion inside left corner of mouth 
Epidermal papilloma 
G• G• C omb s 
