42 
RTLA 276. Guppy (blue delta strain), Poecilia reticulata 
Material: Thirteen gross specimens; 23 slides 
Diagnosis: Acute bacterial infection with multiple granulomas 
in the mesentary and pancreatic tissue 
Submitter: J. G. Bennett 
RTLA 277. Channel catfish, Ictalurus punctatus 
Material: Two whole fish 
Diagnosis: Multiple encysted larvae of tapeworms (Cestoda), 
probably of genus Proteocephalus involving visceral 
serosal surface 
Submitter: W. W. Tullner 
RTLA 278. Leopard frog, Rana pipiens 
Material: Two slides of spleen 
Diagnosis: Infectious granuloma 
Submitter: D. J. Olson and E. L. Cooper 
RTLA 279. Leopard frog, Rana pipiens 
Material: Two slides of tissue with parasitic lesions 
Diagnosis: Granulomatous reaction to trematode parasites 
Submitter: D. J. Olson and E. L. Cooper 
RTLA 280. Crayfish, Orconectes rusticus 
Material: Six slides of crayfish antennal gland 
Diagnosis: Uric acid crystals 
Submitter: J. Hubschman 
RTLA 281. Brown bullhead, Ictalurus nebulosus 
Material: One gross specimen 
Diagnosis: Inflammatory lesion 
Submitter: G. G. Combs 
RTLA 282. Leopard frog, Rana pipiens 
Material: Six slides and photographs 
Diagnosis: Luck£ renal adenocarcinoma 
Submitter: C. Snell 
RTLA 283. Coho salmon, Oncorhynchus kisutch 
Material: One complete fish head 
Diagnosis: Tissue too autolyzed for diagnosis 
Submitter: L. N. Allison 
RTLA 284. Coho 
Material: 
Diagnosis: 
Submitter: 
salmon, Oncorhynchus kisutch 
Gills 
Thyroid tumor undergoing massive necrosis 
L. N. Allison 
RTLA 285. Mosquito, Anopheles annulipes 
Material: Three whole specimens; 8 slides 
Diagnosis: Infection of salivary gland by Pseudomonas bacteria 
Submitter: J. D. Briggs 
