21 
RTLA 90. Housefly, Musca domestica 
Material: Adult flies; 10 photographs 
Diagnosis: (1) melanotic tumors 
(2) melanotic sclerosis 
Submitter: R. P. Bodnaryk 
Reprint: Bodnaryk, Robert P. Dietary Amino Acid and Nucleic Acid 
Imbalance Leading to Altered Tumour Frequency in the 
Adult Housefly, Musca domestica . J. Insect Physiol., 
14: 223-242. 1968. 
RTLA 91. Blue gourami, Trichogaster trichopterus 
Material: Three blocks of tissue; 15 photographs; 16 slides 
Diagnosis: Granulomatous inflammatory reaction involving gut, 
spleen, and liver 
Submitter: D. 0. Carpenter 
RTLA 
92. Butter clam, Saxidomus giganteus 
Material: One clam; 1 photograph; 10 slides; 
Diagnosis: Polypoid developmental anomaly of 
Submitter: G. Pauley 
Reprint: [see RTLA 136] 
2 blocks 
foot 
RTLA 93. Walleye, Stizostedion vitreum vitreum 
Material: Head of fish; 5 photographs; 9 slides 
Diagnosis: Multiple fibrosarcomas with ossification 
Submitter: L. N„ Allison 
RTLA 94. Painted turtle, Chrysemys picta 
Material: One gross turtle; 14 photographs 
Diagnosis: Epidermoid cyst on neck 
Submitter: K. Potter 
RTLA 95. Garter snake, Thamnophis sirtalis 
Material: Two slides 
Diagnosis: (1) fibropapilloma 
(2) sertoli cell tumor 
Submitter: L. Karstad 
RTLA 96. Fox snake, Elaphe vulpina 
Material: One snake with abdominal mass 
Diagnosis: Pararenal hematoma 
Submitter: C„ Gans 
RTLA 97. Mud puppy, Necturus maculosus 
Material: One kidney; 6 photographs; 6 slides 
Diagnosis: Undifferentiated renal neoplasm; probably metastatic 
Submitter: C. H. Nauman 
RTLA 98. Redtailed black shark, Labeo bicolor 
Material: One gross fish; 14 photographs; 7 slides 
Diagnosis: Infectious granuloma 
Submitter: J. A. Zgurzynski 
