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RTLA 1754 (contd.) 
Submitter: S. V. 
Otto 
RTLA 1755. American oyster, Crassostrea virginica 
Material; Ten microscope slides; collecting data 
Habitat; Chesapeake Bay; Big Annemessex River 
Diagnosis: Cryptic adenomatous hyperplasia of mantle epithelium 
Submitter: S. V. Otto 
RTLA 1756. American oyster, Crassostrea virginica 
Material: One microscope slide; collecting data 
Habitat: Chesapeake Bay; Manokin River, Broad Creek Spat 
Diagnosis: Cryptic adenomatous hyperplasia of mantle epithelium; 
gill hyperplasia 
Submitter: S. V. Otto 
RTLA 1757. American oyster, Crassostrea virginica 
Material: Ten microscope slides; collecting data 
Habitat: Chesapeake Bay; Choptank River, Cook Point 
Diagnosis: Hematopoietic neoplasm 
Submitter: S. V. Otto 
RTLA 1758. American oyster 
Material: 
Diagnosis: 
Submitter: 
an oyster, Crassostrea virginica 
One microscope slide; collecting data 
Hematopoietic neoplasm 
S. V. Otto 
RTLA 1759. American oyster, Crassostrea virginica 
Material; Ten microscope slides; collecting data 
Habitat: Chesapeake Bay; Poplar Island 
Diagnosis: Hematopoietic neoplasm 
Submitter; S. V. Otto 
RTLA 1760. American oyster, Crassostrea virginica 
Material: One microscope slide; collecting data 
Habitat: Chesapeake Bay; Broad Creek, Middleground 
Diagnosis: Hematopoietic neoplasm 
Submitter: S. V. Otto 
RTLA 1761. American oyster, Crassostrea virginica 
Material: Five microscope slides; collecting data 
Habitat: Manokin River 
Diagnosis; Hematopoietic neoplasm 
Submitter: S. V. Otto 
RTLA 1762. American oyster, Crassostrea virginica 
Material: One microscope slide; collecting data 
Habitat: Chesapeake Bay; Tangier Sound, Lambstone 
Diagnosis: Cryptic adenomatous hyperplasia of mantle epithelium 
Submitter; S. V. Otto 
RTLA 1763. American oyster, Crassostrea virginica 
