19 
RTLA. 1025, Rockfish ("red snapper"), Sebastes sp. 
Material: A large, soft mass of tissue on the lower jaw 
Diagnosis: Dermal fibropapilloma 
Submitter: G. R, Bell 
RTLA 1026. Lake trout, Salvelinus namaycush 
Material: A growth protruding from the body wall 
Diagnosis: Epidermal papilloma 
Submitter: G. E. Hoskins 
RTLA 1027. Goldfish, Carassius auratus 
Material: One specimen with greatly distended abdomen 
Diagnosis: Multiloculated serous cyst of either mesenteric or 
ovarian origin 
Submitter: W, G. Banfield 
RTLA 1028, Guppy, Poecilia reticulata 
Material: Two microscope slides 
Diagnosis: Marked thyroid hyperplasia (thyroid toxin type) coesixtent 
with visceral granulomas caused by acid-fast organisms 
Submitter: S, Cohen 
RTLA 1029. Oyster, Ostrea lurida 
Material: Two microscope slides 
Diagnosis: Hematopoietic neoplasm 
Submitter: M. C. Mix 
RTLA 1030. African toad, Bufo sp. 
Material: Five microscope slides 
Diagnosis: Hematopoietic neoplasm 
Submitter: R. L. Snyder 
RTLA 1031. Northern pike, Esox lucius 
Material: Ten microscope slides 
Diagnosis: Lymphoma 
Submitter: 0. Ljungberg 
Reprint: Winqvist, G,, 0, Ljungberg, and Birgitta Ivarsson. Electron 
Microscopy of Sarcoma of the Northern Pike (Esox lucius L), 
In: Unifying Concepts of Leukemia , Bibl. haeraat. No. 39, 
Ro M» Dutcher and L. Chieco-Bianchi (ed.), pp. 26-30, 
Karger, Basel, 1973. 
RTLA 1032. Northern pike, Esox lucius 
Material: Three microscope slides 
Diagnosis: Lymphoma 
Submitter: 0. Ljungberg 
Reprint: [See RTLA 1031] 
RTLA 1033. Northern pike, Esox lucius 
Material: Nine microscope slides 
Diagnosis: Lymphoma 
Submitter: 0. Ljungberg 
Reprint: [See RTLA 1031] 
