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RTLA 1942. European flat oyster, Ostrea edulis 
Material: Four microslides; collecting data 
Habitat; North Breton coast: Carantec, France 
Diagnosis; Hematopoietic neoplasm 
Submitter: G. Balouet 
RTLA 1943, 1944. European flat oyster, Ostrea edulis 
Material: Four microslides each and collecting data 
Habitat: Bay of Brest: Landevennec, France 
Diagnosis: Hematopoietic neoplasm 
Submitter: G. Balouet 
RTLA 1945. Pacific oyster, Grassostrea gigas 
Material: Four microslides; collecting data 
Habitat: Arcachon, France 
Diagnosis: Hematopoietic neoplasm 
Submitter: G. Balouet 
RTLA 1946. European flat oyster, Ostrea edulis 
Material: Four microslides; collecting data 
Habitat: South Brittany (Morbihan): St. Philibert, France 
Diagnosis: Hematopoietic neoplasm 
Submitter: G. Balouet 
RTLA 1947. African sand snake, Psammophis punctulatus 
Material: Three paraffin blocks 
Diagnosis: Huge abscess submucosa of gut; nematode granulomas 
in submucosa 
Submitter; E. Elkan 
RTLA 1948. Ball snake. Python regius 
Material: One paraffin block 
Diagnosis: Papillary hyperplasia on the mucosa of the gall bladder 
Submitter: E. Elkan 
RTLA 1949. Monitor lizard, Varanus salvator 
Material: Two paraffin blocks 
Diagnosis: Multi-focal, ulcerative, bacterial abscesses of the 
mouth 
Submitter: E. Elkan 
RTLA 1950. Boa constrictor 
Material: One paraffin block 
Diagnosis: Post mortem necrosis 
Submitter: E. Elkan 
RTLA 1951. Brown bullhead, Ictalurus nebulosus 
Material: A black, dome-shaped growth; 2 black and white photo¬ 
graphs 
Mack Lake, Kings Gounty, Nova Scotia, Ganada 
Habitat: 
