101 
RTLA 841. Brown bullhead, letalurus nebulosus 
Material: One fish head 
Diagnosis: Enlarged taste papillae 
Submitter: J. C. Harshbarger and G. G„ Combs 
RTLA 842. Turbot, Rhombus maximus 
Material: One slide; 3 blocks 
Diagnosis: Malignant lymphoma 
Submitter: J. Nightingale 
RTLA 843. Northern pike, Esox lucius 
Material: Twenty slides 
Diagnosis: Exuberant overgrowth of fibrous tissue in response 
to a probable injury 
Submitter: W. Lampert 
RTLA 844-887o Oyster, Crassostrea virginica 
Material: Forty-three slides 
Diagnosis: Hematopoietic neoplasms 
Submitter: E„ M c Frierman 
