14 
RTLA 32 0 Claw-footed toad, Xenopus laevis 
Material: One block of fixed material; 4 slides 
Diagnosis: Nephroblastoma 
Submitter: E. Elkan 
Reprint: Elkan, E. Three Different Types of Tumors in 
Salientia. Cancer Res., 23(10): 1641-1645. 1963, 
RTLA 33. Earthworm, Lumbricus terrestris 
Material: One earthworm; 10 slides; 4 photographs 
Diagnosis: Contracted scar due to injury plus multiple 
Submitter: 
parasitic lesions 
E. Holland 
RTLA 
34. Painted 
Material: 
Diagnosis: 
Submitter: 
turtle, Chrysemys picta 
Head of turtle; 12 slides; 7 photographs 
Otitis media with foreign body reaction 
Ho Miller 
RTLA 
35o Pond 
Material: 
Diagnosis 
Submitter 
Reprint: 
snail, Physa heterostropha 
Two slides 
"Cyst-like" bodies primarily on reproductive organs 
due to microsporidian parasite 
E. Ho Michelson 
Michelson, Edward H. Plistophora husseyi sp. n., a 
Microsporidian Parasite of Aquatic Pulmonate Snails„ 
J. Insect Pathol., 5^(1): 28-38. 1963. 
RTLA 36. Bilharzia snail, Australorbis glabratus 
Material: Three slides 
Diagnosis: Tubercle-like lesions of tentacles and head region 
due to infection by acid-fast bacteria 
Submitter: E. H. Michelson 
RTLA 
37. Pacific 
Material: 
Diagnosis: 
Submitter: 
Reprint: 
oyster, Crassostrea gigas 
Thirty-seven slides; 4 blocks 
Fibrous tumor of gonadal origin 
Go Bo Pauley 
Pauley, Gilbert B. and Clyde S. Sayce. An Internal 
Fibrous Tumor in a Pacific Oyster Crassostrea gigas . 
J. Invertebr. Pathol., 1£(1): 1-8. 1968. 
RTLA 38. Freshwater mussel, Anodonta californiensis 
Material: Eight slides; 1 block 
Diagnosis: Polypoid hyperplasia of submucosal glands of foot 
Submitter: G. B. Pauley 
Reprint: Pauley, Gilbert B. Four Freshwater Mussels (Anodonta 
californiensis ) with Pedunculated Adenomas Arising 
from the Foot. J. Invertebr. Pathol., 9/4): 459-466. 
1967. 
RTLA 39o Hydra 
Material: 
Diagnosis: 
Submitter: 
One slide 
Developmental anomaly; teratogenesis (?) 
E. Holland 
