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RTLA 2521. Aquatic gartersnake, Thanmophis couchli 
Material: Left kidney 
Habitat: California: Colusa County, Deer Creek 
Diagnosis: Renal and pancreatic gout 
Submitter: R. Lawson 
RTLA 2522. Aquatic gartersnake, Thamnophis couchii 
Material: Liver tissue 
Habitat: California: Ventura County, Lockwood Creek 
Diagnosis: Liver granulomas; cause unknown 
Submitter: R. Lawson 
RTLA 2523. Terrestrial gartersnake, Thamnophis elegans 
Material: Inspissated mass from abdominal cavity 
Habitat: Canada: British Columbia, Vancouver Island, 
Qualicum Beach at French Creek 
Diagnosis: Trematode granulomas in mesentery; bacterial ul¬ 
cers in oviduct? 
Submitter: R. Lawson 
RTLA 2524. Northern banded watersnake, Nerodia sipedon 
Material: Mass from abdomen; embryos 
Habitat: Missouri: Madison County, St. Francis River 
of Roselle 
Diagnosis: Massive inflammation, necrosis and fibrosis 
ated with ovary and muscularis of oviduct 
Submitter: R. Lawson 
east 
associ- 
RTLA 2525. Boa 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
constrictor. Boa constrictor 
Four microslides 
German Democratic Republic: Berlin Zoo 
Chronic granulocytic leukemia 
R. Ippen 
RTLA 2526 & 2527 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
Axolotl, Ambystoma mexicanum 
RTLA 2526 - liver wrapped around a cyst; RTLA 
2527 - liver with lesion — both livers from 
albino mutants 
Netherlands, Utrecht: Hubrecht Laboratorium 
Hepatic pseudocyst with metaplastic bile ducts in 
the connective tissue wall 
R. Verhoeff-de Fremery 
RTLA 
2528 & 2529 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
. Bluegill, Lepomis macrochirus 
One portion each of vertebral columns with uni¬ 
lateral swellings 
Michigan: Van Buren County, Silver Lake 
Healed compression fractures 
J. G. Hnath 
RTLA 2530. Freshwater drum, Aplodinotus grunniens 
Material: Skin with lesion raised above scale level 
