10 
LIST OF ACCESSIONS 
A diagnosis or very brief description of the nature of the lesion is 
given in most cases. This description may be ours or the contributor's. 
The reprint cited is either a report on that specific case or a recent 
article in a series of pertinent articles. 
RTLA 1. Planarian, Dugesia dorotocephala 
Material: Six slides; 12 photographs 
Diagnosis: Papilliform tumors and malformations 
Submitter: J. A. Foster 
Reprints: Foster, Jean A. Induction of Neoplasms in 
Planarians with Carcinogens. Cancer Res., 
23: 300-303. 1963. 
Foster, Jean A. Malformations and Lethal 
Growths in Planaria Treated with Carcinogens. 
Natl. Cancer Inst. Monogr. 3_1: 683-691. 1969. 
RTLA 2. Earthworm, Lumbricus terrestris 
Material: Fifteen slides; 4 photographs 
A large protruding mass containing spermatogonia 
and maturation phases of sperm occurring in an 
area that had received 14 daily paintings on the 
cuticle of a methylcholanthrene-acetone solution. 
R. L. Hancock 
Hancock, R. L. An Unusual Neoplasm in Lumbricus 
terrestris . Experientia, ^1(5): 280-281. 1965. 
Diagnosis: 
Submitter: 
Reprint: 
RTLA 3. Drosophila melanogaster 
Material: Five slides; 6 photographs 
Diagnosis: Hereditary ovarian tumors 
Submitter: R„ C. King 
Reprint: King, Robert C. Control of Oocyte Formation by 
Female - Sterile ( fes ) Drosophila melanogaster . 
Natl. Cancer Inst. Monogr. 3_1: 347-349. 1969. 
RTLA 4. Blue crab, Callinectes sapidus 
Material: One crab; 3 photographs; 40 slides; 2 paraffin blocks 
Diagnosis: Wound healing on dorsal cephalothorax 
Submitter: C. J. Dawe 
RTLA 5. Mud clam, Mya arenaria 
Material: One siphon; 3 photographs; 17 slides with serial sections 
Diagnosis: Developmental anomaly of siphon 
Submitter: M. Potter and E. Kuff 
RTLA 6. Striped bass, Morone saxatilis 
Material: Testes -- one with adjacent mass; 1 photograph; 1 slide 
Diagnosis: Spermatocele 
Submitter: F. Schwartz 
