98 
RTLA 813 o Rainbow trout, S almo gairdnsri 
Material: Two paraffin blocks 
Diagnosis: Hepatoma 
Submitter: G. B. Pauley 
RTLA 814. Shipworm, Teredo sp. (fossil specimen) 
Material: A polished section of conifer wood containing the 
borings and pellets of Teredo and a petrified 
T eredo body 
Diagnosis: No neoplastic involvement; the specimen will serve 
to demonstrate the possibility of finding a neo¬ 
plasm in an invertebrate fossil 
Submitter: J. A„ Tuta 
RTLA 815o Pacific oyster, Crassostrea gigas 
Material: Four paraffin blocks 
Diagnosis: Parasitized by Protista incertae sedis 
Submitter: G. B. Pauley 
Reprint: Becker, C. Dale and Gilbert B. Pauley. An Ovarian 
Parasite ( Protista incertae sedis ) from the 
Pacific Oyster, Crassostrea gigas . J. Invertebr. 
Patholo, 12: 425-437. 1968. 
RTLA 816. Freshwater mussel, Gonidea angulata 
Material: One paraffin block 
Diagnosis: Parasitized by the trematode, Asp i dogaster conchicola 
Submitter: G. B. Pauley 
Reprint: Pauley, Gilbert B. and C, Dale Becker. Aspidogaster 
conchicola in Mollusks of the Columbia River System 
with Comments on the Host's Pathological Response, 
J. Parasitol., 54(4): 917-920. 1968. 
RTLA 817. Painted turtle, Chrysemys p icta 
Material: Two paraffin blocks 
Diagnosis: Two ulcers in the stomach and one in the duodenum 
Submitter: G. B. Pauley 
Reprint: Pauley, Gilbert B. and Douglas L„ Robberson. A Painted 
Turtle (Chrysemys picta ) with Ulcers in the Stomach 
and Duodenum. Northwest Sci., 40(2): 79-82. 1966. 
RTLA 818. Butter clam, Saxidomus g iganteus 
Material: Four paraffin blocks 
Diagnosis: Abscesses 
Submitter: G. B. Pauley 
RTLA 819. Coho 
Material: 
Diagnosis: 
Submitter: 
salmon, Oncorhynchus kisutch 
A wedge of tissue removed from a growth located on 
the dorsal side of the fish just caudal to the 
head; one color photograph 
Fibroma 
G. Hoskins 
