-25- 
RTLA 1793. Heel-splitter clam, Protoptera alata 
Material: Three clams 
Habitat: Melton Hill Lake, Anderson County, Tennessee 
Diagnosis: Pending 
Submitter: G. E. Cosgrove 
RTLA 1794. Rock oyster, Crassostrea commercialis 
Material: Three microscope slides 
Habitat: Myora Flat, Moreton Bay, Queensland, Australia 
Diagnosis: Hematopoietic neoplasm; Tylocephalum sp. cysts pre¬ 
sent; Ancistrocoma sp. in wall of digestive diverticula 
Submitter: P. H. Wolf 
RTLA 1795. Rock oyster, Crassostrea commercialis 
Material: Three microscope slides 
Habitat: Greenwell Point near Nowra, New South Wales, 
Diagnosis: Mantle papilloma 
Submitter: P. H. Wolf 
Australia 
RTLA 1796. Pearl oyster, Pinctada maxima 
Material: Three microscope slides 
Habitat: Kuri Bay, North Western Australia (between Wyndham and 
Derby) from a pearl farm 
Diagnosis: Unidentified protistan parasite 
Submitter: P. H. Wolf 
Reprint: Wolf, Peter H. and Victor Sprague. An Unidentified Pro¬ 
tistan Parasite of the Pearl Oyster, Pinctada maxima , 
in Tropical Australia. J. Invertebr. Pathol., 31^: 262- 
263. 1978. 
RTLA 1797. Rock oyster, Crassostrea commercialis 
Material: Four microscope slides 
Habitat: Terranora Creek, Tweed River, New South Wales, Australia 
Diagnosis: Early infection of Marteilla sydneyi 
Submitter: P. H. Wolf 
RTLA 1798. Rock oyster, Crassostrea commercialis 
Material: Six microscope slides 
Habitat: Tweed River, New South Wales, Australia 
Diagnosis: Heavy infection of Marteilla sydneyi 
Submitter: P. H. Wolf 
RTLA 1799. Blacklipped oyster, Crassostrea echinata 
Material: Six microscope slides; 1 reprint 
Habitat: Mangrove roots in Middle Arm, Darwin, Northern Territory, 
Australia 
Diagnosis: Unidentified protistan parasite; also Tylocephalum sp. 
cysts 
Submitter: P. H. Wolf 
Reprint: Wolf, Peter H. An Unidentified Protistan Parasite in the 
Ova of the Blacklipped Oyster, Crassostrea echinata , 
from Northern Australia. J. Invertebr. Pathol., 244- 
246. 1977. 
