27 
RTLA 145. Freshwater mussel, Anodonta californiensis 
Material: Two slides 
Diagnosis: Polypoid tumors on foot 
Submitter: G. B. Pauley 
Reprint: [see RTLA 38] 
RTLA 146. Freshwater mussel, Margaritifera margaritifera 
Material: Nine slides; 9 blocks 
Diagnosis: Edematous cysts "spongy disease" 
Submitter: G. B. Pauley 
Reprint: [see RTLA 137] 
RTLA 147. Soft-shell clam, Mya arenaria 
Material: Three slides 
Diagnosis: Fungiform smooth muscle tumor on siphon 
Submitter: G. B. Pauley and T. Cheng 
Reprint: Pauley, Gilbert B„ and Thomas C„ Cheng. A Tumor on the 
Siphons of a Soft-Shell Clam, Mya arenaria . J. Invertebr, 
Pathol., 11(3): 504-506. 1968. 
RTLA 148o Freshwater mussel, Gonidea angulata 
Material: Four slides; 2 blocks 
Diagnosis: Polypoid tumor on foot 
Submitter: G. B. Pauley 
Reprint: [see RTLA 140] 
RTLA 149o Freshwater mussel, Gonidea angulata 
Material: Five slides; 1 block 
Diagnosis: Polypoid tumor on foot with collagenous stroma 
Submitter: G. B. Pauley 
Reprint: [see RTLA 140] 
RTLA 150. American oyster, Crassostrea virginica 
Material: One paraffin block; 9 slides 
Diagnosis: Mesenchymal neoplasms.; possibly reticulum cell sarcomas 
Submitter: J„ A. Couch 
Reprint: Couch, J. A. Sarcoma-Like Disease in a Single Specimen 
of the American Oyster. In: Comparative Leukemia Re ¬ 
search 1969 , Bibl. haemato. No. 36, R. M. Dutcher 
(ed.), p. 647 (Karger, Basel/Milnchen/Paris/New York 
1970). (Abstract). 
RTLA 151. Sydney rock oyster, Crassostrea commercialis 
Material: Five slides; 1 photograph 
Diagnosis: Epithelial papilloma 
Submitter: P„ H. Wolf 
Reprint: [see RTLA 107] 
RTLA 152. Sydney rock oyster, Crassostrea commercialis 
Material: Three slides; 2 paraffin blocks; 1 photograph 
Diagnosis: Epithelial papilloma 
Submitter: P„ H. Wolf 
Reprint: [see RTLA 107] 
