-9- 
RTLA 1641. Indigo snake, Dryroarchlon corals 
Material: Two microscope slides 
Habitat: Captive animal; Wolverhampton, England 
Diagnosis: Multiple mycotic granulomas 
Submitter: J. E. Cooper 
RTLA 1642. Rainbow trout, Salmo gairdneri 
Material: Two pieces of tissue from a lump 
Habitat: Lake Eucumbene, New South Wales, Australia 
Diagnosis: Neurilemmoma 
Submitter: P. H. Wolf 
RTLA 1643. Goldfish _ 
Material: Two gross specimens; 
Carassius auratus 
1 microscope slide; 3, 
35 mm 
color transparencies 
Habitat: Backyard pond; Sacramento, California 
Diagnosis: Neurilemmomas 
Submitter: H. Wolf 
RTLA 
1644. Roach 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
, Rutilus rutilus 
Two microscope slides 
River in east of England 
Early bile duct adenofIbrosis, probably due to a 
hepatotoxin 
D. Bucke 
RTLA 
1645. Orgyi 
Material: 
Diagnosis: 
Submitter: 
£ pseudotsugata 
Three pieces of a larva: 1 piece with a protrusion 
between the first and second pair of prolegs 
Teratosis or developmental anomaly, probably con~ 
genital or resulted from an injury in an early Instar 
M. E. Martignoni and P. J. Iwai 
RTLA 1646. Black fin pearlfish, Cynoleblas nigripinnls 
Material: Gross specimen with a large growth involving the 
left pectoral fin 
Habitat: Tank raised 
Diagnosis: Malignant lymphoma 
Submitter: G. C. Blasiola, Jr. 
RTLA 1647. Catfish, Corydoras sp. 
Material: Gross specimen with black lesion on head 
Habitat: Pet in a home aquarium 
Diagnosis: Malignant melanophoroma 
Submitter: J. Herrin 
RTLA 1648. Trevally (jack), Caranx georgianus 
Material: Two paraffin blocks 
Habitat: Bay of Plenty, New Zealand 
Diagnosis: Collagen reaction similar to acid injury to skin 
Submitter: B. J. Stevenson 
