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RTLA 1015. Ocean pout, Macrozoarces americanus 
Material: Liver, heart, complete alimentary tract, gall bladder, 
testes with growth, and spleen 
Diagnosis: Adenocarcinoma of the spermatic duct 
Submitter: Bo Bo Collette 
RTLA 1016, Pacific garter snake, Thamnophis sirtalis 
Material: One microscope slide 
Diagnosis: Malignant chromophoroma 
Submitter: F, L. Frye 
RTLA 1017o Root-knot nematode, Meloidogyne incognita 
Material: Four black and white photographs showing caudal enlargements 
Diagnosis: Teratoid anomalies 
Submitter: R. M. Sayre 
Reprint: Sayre, Richard M, Observations on Aberrant Root-Knot 
Nematode Larvae. Program & Abstracts of the Joint Meeting 
XIII Society of Nematologists VII Organization of Tropical 
American Nematologists, 18-23 August 1974, Riverside, 
California, p. 24, 1974. 
RTLA 1018. Sea peach, Halocynthia pyriformis 
Material: Tunic lesion near siphon 
Diagnosis: Injury and repair of tunic epithelium 
Submitter: R. S. Anderson 
RTLA 1019. Sea peach, Halocynthia pyriformis 
Material: One gross specimen with lesion near siphon 
Diagnosis: Injury and repair of tunic epithelium 
Submitter: R. S. Anderson 
RTLA 1020. Sea 
Material: 
Diagnosis: 
Submitter: 
peach, Halocynthia pyriformis 
One gross specimen with teardrop-shaped extension below siphon 
Probable infectious lesion of tunic 
R. A. Anderson 
RTLA 1021. Amazon molly, Poecilia formosa 
Material: Four microscope slides 
Diagnosis: Marked thyroid hyperplasia versus thyroid carcinoma 
Submitter: G. E. Cosgrove 
RTLA 1022, Chinook salmon, Oncorhynchus tschawytscha 
Material: Three microscope slides 
Diagnosis: Acute granulocytic leukemia 
Submitter: W. T. Yasutake 
RTLA 1023. Chinook salmon, Oncorhynchus tschawytscha 
Material: Three microscope slides 
Diagnosis: Acute granulocytic leukemia 
Submitter: W. T, Yasutake 
RTLA 1024. Tuxedo swordtail, Xiphophorus helleri 
Material: Nine black and white photographs; 4 color transparencies; 
3 microscope slides 
Diagnosis: Melanoma 
Submitter: T, Ishikawa 
