41 
RTLA 268. Coho salmon, Oncorhynchus kisutch 
Material: Viscera 
Diagnosis: Neurofibroma or neurilemmoma 
Submitter: L. Margolis 
RTLA 269. Apple 
Material: 
Diagnosis: 
Submitter: 
Reprint: 
snail. Ampullarius australis 
One slide; 1 photograph 
Adenomatous neoplasm associated with an 
inflammatory reaction 
K. Krieg 
Krieg, K„ Ampullarius australis d'Orbigny (Mollusca, 
Gastropoda) as Experimental Animal in Oncological 
Research. A Contribution to the Study of Cancerogenesis 
in Invertebrates. Neoplasma .19(1): 41-49. 1972. 
RTLA 270. Freshwater planarian, Planaria dactyligera musculosa 
Material: Three gross specimens; 1 block containing 3 planarians 
Diagnosis: Anomalous regeneration; etiology unknown 
Submitter: R. Kenk 
RTLA 271. South American red-eared turtle, Chrysemys scripta callirostris 
(one specimen; Common red-eared turtle, Chrysemys scripta elegans 
(2 specimens) 
Material: Three live specimens 
Diagnosis: Dermititis 
Submitter: A. Graves 
RTLA 272o Red-spotted newt, Notophthalmus viridescens 
Material: One gross specimen; 2 photographs 
Diagnosis: Muscle disintegration due to nerve injury or mesenchymal 
cell neoplasm 
Submitter: E. R. Burns 
Reprint: Burns, E a Robert and Harold J. White. A Spontaneous 
Mesenchymal Cell Neoplasm in the Adult Newt, Diemictylus 
viridescenso Cancer Res., 31: 826-829. 1971. 
RTLA 273. Bloater, Coregonus hoyi 
Material: Three gross specimens 
Diagnosis: Myxomatous lesion induced by unidentified organism 
Submitter: L. N. Allison 
RTLA 274. Praying mantis 
Material: Four slides; 2 gross specimens 
Diagnosis: Black areas on cuticle 
Submitter: G. E. Cosgrove 
RTLA 275. Timber rattlesnake, Crotalus horridus horridus 
Material: Two slides; blocks 
Diagnosis: (1) Spleen: reticuloendothelial hyperplasia 
(2) Intestines: acute ulcerative enteritis 
(3) Wall of stomach and intestines: granuloma (parasitic); 
one contains larval cestode; one contains nematode 
G. E„ Cosgrove 
Submitter: 
