- 21 - 
RTLA 
1763 (contd.) 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
Nine microscope slides; collecting data 
Chesapeake Bay; Old Field, Chester River 
Undifferentiated sarcoma 
S. V. Otto 
RTLA 1764. American oyster, Crassostrea virginica 
Material: Five microscope slides; collecting data 
Habitat: Chesapeake Bay; Chester River, Plney Point 
Diagnosis: Undifferentiated sarcoma 
Submitter: S. V. Otto 
RTLA 1765. American oyster, Crassostrea virginica 
Material: One microscope slide; collecting data 
Habitat: Chesapeake Bay; Broad Creek, Middleground 
Diagnosis: Hematopoietic neoplasm 
Submitter: S. V. Otto 
RTLA 
1766. Hard clam, Mercenaria mercenaria 
Material: One microscope slide 
Diagnosis: Nuclear inclusions in gonad 
Submitter: S. V. Otto 
RTLA 
1767. Green 
Material: 
Habitat: 
Diagnosis: 
Submitter: 
turtle, Chelonia mydas 
Six pieces of tissue consisting of rugose growths at¬ 
tached to the skin of the lower jaw, right limb, and 
surrounding both eyes; 4, 35 mm color transparencies 
Kailua Beach, Island of Oahu, Hawaii 
Fibropapillomas 
G. H. Balazs 
RTLA 1768. Mexican axolotl, Ambystoma mexicanum 
Material: Three pieces of tissue: 1 piece of liver with part of 
a growth and 2 pieces of skin and muscle with the re¬ 
maining portion of the growth 
Diagnosis: Not diagnostic 
Submitter: R. Verhoeff-de Fremery 
RTLA 1769. South African clawed frog, Xenopus laevis 
Material: Spherical growth with irregular surface crisscrossed by 
blood vessels; 2 color transparencies 
Diagnosis: Hematopoietic neoplasm — cell type undetermined 
Submitter: R. Verhoeff-de Fremery 
RTLA 1770. California king snake, Lampropeltis getulus 
Material: Sixteen microscope slides; 10 electron photomicrographs 
data sheet 
Habitat: Hatched and raised at The American Museum of Natural 
History, New York 
Diagnosis: Lymphosarcoma 
Submitter: E. Jacobson 
