-18- 
RTLA 1920 (contd.) 
Reprint: Sherman, Susan Joy. The Guppy ( Poecilia reticulata ) 
as a Model for Cancer Research. (abstr.). 
RTLA 1921. Giant toad, Bufo marinus 
Material: Two microslides 
Diagnosis: Adenocarcinoma of the large intestine; no evidence of 
metastatic growth in other tissues examined 
Submitter: A. J. Herron 
RTLA 1922. Little tunny, Euthynnus alletteratus 
Material: Tissue sections from two lesions 
Habitat: Caught by charter fishing boat in the Gulf Stream off 
Miami Beach, Florida 
Diagnosis: Lipoma 
Submitter: W. Kandrashoff 
RTLA 1923. Goldfish, Carassius auratus 
Material: Whole fish with internal bilateral cyst-like growths 
Diagnosis: Polycystic kidney 
Submitter: T. J. Dodgshun 
RTLA 1924. Amazon molly, Poecilia formosa 
Material: One microslide 
Diagnosis: Small cryptogenic granulomas in visceral fat between 
esophagus and dorsal aorta 
Submitter: M. J. Peak 
RTLA 1925. Leopard frog, Rana pipiens 
Material: Partially dissected frog with enlarged liver 
Habitat: Vermont 
Diagnosis: Hemorrhage -- probably injury related 
Submitter: V. Lance 
RTLA 1926. Leopard frog, Rana pipiens 
Material: Decapitated, partially dissected frog; enlarged spleen 
from same specimen 
Habitat: Vermont 
Diagnosis: "Normal" 
Submitter: V. Lance 
RTLA 1927. Painted turtle, Chrysemys picta 
Material: Head with grossly enlarged left mastoid region 
Diagnosis: Inflammatory, pus-filled cyst, possibly resulting 
from a bacterial infection of a surface wound 
Submitter: V. Lance 
RTLA 1928. Striped grouper, Grammistes sexlineatus 
Material: Four tissue bits: from a lower jaw lesion and bi¬ 
lateral operculum lesions 
Habitat: Aquarium 
