53 
RTLA 377. Sheepshead, Archosargus probatocephalus 
Material: Liver with dark region 
Diagnosis: Normal liver and pancreas containing hemosiderin deposits 
Submitter: A. C. Smith 
RTLA 378o Timber rattlesnake, Crotalus horridus horridus 
Material: Wet tissue 
Diagnosis: Lymphoblastic leukemia 
Submitter: L c A. Griner 
RTLA 379. Rhinoceros viper, Bitis nasicornis 
Material: Twelve slides 
Diagnosis: Lymphosarcoma 
Submitter: L. A. Griner 
RTLA 380. American bullfrog, Rana catesbeiana 
Material: Two slides of parathyroid glands 
Diagnosis: Huge cyst containing colloid-like substance 
Submitter: E. L. Cooper 
RTLA 381o Drosophila melanogaster 
Material: One slide 
Diagnosis: Non-invasive imaginal disk tumor 
Submitter: E„ Gateff 
Reprint: Gateff, Elisabeth and Howard A. Schneiderman. Neoplasms 
in Mutant and Cultured Wild-Type Tissues of Drosophila . 
Natl. Cancer Inst. Monogr. 31: 365-397. 1969. 
RTLA 382. Drosophila melanogaster 
Material: One slide 
Diagnosis: Invasive; imaginal disks are abnormal in appearance 
and size 
Submitter: E. Gateff 
Reprint: [see RTLA 381] 
RTLA 383. Drosophila melanogaster 
Material: One slide 
Diagnosis: Invasive cells, ganglion mother cells, 
cells 
Submitter: E. Gateff 
Reprint: [see RTLA 381] 
and neuroblast 
RTLA 384. Brown bullhead, Ictalurus nebulosus 
Material: Fillet with external growths 
Diagnosis: Epdiermal papilloma 
Submitter: G. G. Combs 
RTLA 385. Brown bullhead, Ictalurus nebulosus 
Material: One head - one cm growth in corner of upper lip 
Diagnosis: Epidermal papilloma 
Submitter: G. G. Combs 
