20 
RTLA 1215. Rat snake, Elaphe obsoleta 
Material: One gross specimen 
Diagnosis: Cause of death undetermined 
Submitter: I. L. C. Gorman 
RTLA 1216. Rat snake, Elaphe obsoleta 
Material: One gross specimen 
Diagnosis: Acanthocephalan worm and bacteria in lungs; pneumonia 
Submitter: I. L. C. Gorman 
RTLA 1217. Rock sole, Lepidopsetta billneata 
Material: A piece of body wall with attached growth 
Diagnosis: Epidermal papilloma associated with dermal parasitic 
granulomas 
Submitter: G. R. Bell 
RTLA 1218. Lingcod, Ophiodon elongatus 
Material: A large piece of body wall 
Diagnosis: Lymphocystis 
Submitter: G. R. Bell and G. E. Hoskins 
RTLA 1219. Golden trout, Salmo aguabonita 
Material: Two pieces of tissue; 4 microscope slides; 2 color trans¬ 
parencies; 2 black and white photographs 
Diagnosis: Renal versus thyroid adenocarcinoma 
Submitter: C. E. Smith 
RTLA 1220. Striped bass, Morone saxatilis 
Material: Viscera with attached growth 
Diagnosis: Probable leiomyoma; inadequately preserved for a 
definitive diagnosis 
Submitter: M. W. Smith 
RTLA 1221. Spiny dogfish, Squalus acanthias 
Material: 
Diagnosis: 
Submitter: 
Reprint: 
Seven microscope slides; 1 paraffin block; 39 color 
transparencies; 83 b & w photographs; 7, 4X5" & 
5, 35 mm b & w negatives 
A choroid plexus papilloma 
A. M. Guarino and D. J. Prieur 
Prieur, David J., Joseph D. Fenstermacher, and Anthony M. 
Guarino. A Choroid Plexus Papilloma in an Elasmobranch, 
Squalus acanthias . J. Natl. Cancer Inst., 1207-09. 1976. 
RTLA 1222. White perch, Morone americana 
Material: One microscope slide; 1 color transparency 
Diagnosis: Well-vascularized, ulcerated, fibrous hyperplasia of the 
dermis associated with inflammation 
Submitter: T. Beckerman and R. P. Morgan, II 
RTLA 1223. Guppy, Poecllia reticulata 
Material: Two microscope slides 
Diagnosis: (1) Multiple visceral and body wall granulomas; (2) cholan- 
gioma in liver 
Submitter: G. E. Cosgrove 
