-18- 
RTLA 1495 (contd.) 
Material; 
A portion of intestine with the remainder of a black, 
firm, oval growth; 12, 35 mm color transparencies 
Habitat: 
From collection at the San Antonio Zoological Gardens and 
Aquarium, San Antonio, Texas 
Diagnosis: 
Melanosarcoma 
Submitter: 
N. Herwig 
RTLA 
1496. Black bullhead, Ictalurus melas 
Material: 
A large growth removed from the right side of the fish; 
2 black and white photographs 
Habitat: 
Laboratory reared for several months 
Diagnosis: 
Neurilemmoma 
Submitter: 
C. D. Becker 
RTLA 
1497. Hard- 
-shell clam, Mercenaria mercenaria 
Material: 
Digestive tissue 
Habitat: 
Maryland part of the Chincoteague Bay 
Diagnosis: 
Chlamydiae inclusions 
Submitter: 
S, V. Otto, J. C. Harshbarger, and S. C. Chang 
Reprint: 
(See RTLA 1414-1418) 
RTLA 
1498. Hard- 
-shell clam, Mercenaria mercenaria 
Material: 
Digestive tissue 
Habitat: 
Maryland part of the Chincoteague Bay 
Diagnosis: 
Chlamydiae inclusions 
Submitter: 
S. V. Otto, J. C. Harshbarger, and S. C. Chang 
Reprint: 
(See RTLA 1414-1418) 
RTLA 
1499. Indian monitor lizard, Varanus bengalensis 
Material: 
Wet tissue; 4 microscope slides 
Habitat: 
Randolph Park Zoo, Tucson, Arizona 
Diagnosis: 
Ljmiphoblastic leukemia 
Submitter: 
J. N. Shively 
RTLA 
1500. Soft- 
-shell clam, Mya arenaria 
Material : 
Twenty whole clams 
Habitat: 
Hezzies Point, Maine 
Diagnosis: 
Normal 
Submitter: 
E. Gilfillan 
RTLA 
1501-1515. 
Soft-shell clam, Mya arenaria 
Material: 
Several hxandred whole clams, total from 15 petroleum spill 
sites 
Habitat: 
Searsport, Maine 
Diagnosis: 
Germinomas (RTLi-. 1501, 1503, 1505, 1507-1510, 1513); 
cytoplasmic inclusions (RTLA 1501-1515); gill hyperplasia 
(RTLA 1501-1515) 
Submitter: 
E. Gilfillan 
RTLA 
1516. Limanda schrenki 
Material: 
One gross specimen with a large growth involving both the 
