39 
RTLA 249. Drosophila melanogaster , tu(83.9)bw strain 
Material: Gross specimens; slides; photographs 
Diagnosis: (1) Normal 
(2) Melanotic tumors 
Submitter: J. H. Sang 
Reprint: Sang, James H. Biochemical Basis of Hereditary Melanotic 
Tumors in Drosophila . Natl. Cancer Inst. Monogr. 31: 
291-301. 1969. 
RTLA 250. Earthworm, Lumbricus sp. 
Material: Gross specimens 
Diagnosis: Granulomatous reaction to parasite (nematode suspected) 
Submitter: E. Holland 
RTLA 251. Photuris sp. 
Material: Eleven gross specimens 
Diagnosis: Incomplete; variety of teratologies, parasitic and microbial 
infections 
Submitter: M„ McLean 
RTLA 252. Earthworm, Lumbricus sp. 
Material: One gross specimen 
Diagnosis: Hyperplasia and displasia of clitellar epithelium in 
response to nematode parasite 
Submitter: E. Holland 
RTLA 253. Darkblotched rockfish, Sebastes crameri 
Material: One slide; 2 lantern slides 
Diagnosis: Follicular and papillary carcinoma of the thyroid 
Submitter: M. Katz 
RTLA 254. Lingcod, Ophiodon elongatus 
Material: One slide; 2 lantern slides 
Diagnosis: Lymphocystis 
Submitter: M. Katz 
RTLA 255. Herring 
Material: One slide 
Diagnosis: Hydatiform cysts of cyclophyllid tapeworms 
Submitter: M. Katz 
RTLA 256. Sucker, Deltistes sp. 
Material: Three slides 
Diagnosis: Subcutaneous fibroma 
Submitter: M. Katz 
RTLA 257. Bloater, Coregonus hoyi 
Material: One gross specimen 
Diagnosis: Olfactory neuroepithelioma 
Submitter: L. N. Allison 
RTLA 258. Coho salmon, Oncorhynchus kisutch 
Material: One slide; 2 lantern slides 
Diagnosis: Neurofibroma 
Submitter: M. Katz 
