31 
RTLA 175. Conch 
Material: Seven slides 
Diagnosis: Indeterminant 
Submitter: M. M. Sigel 
RTLA 176. Bloater, Coregonus hoyi 
Material: Two fish (dressed); 11 photographs; 11 slides 
Diagnosis: Myxomatous lesion induced by unidentified organism 
Submitter: L. N. Allison 
RTLA 177o White sucker, Catostomus commersoni 
Material: One gross animal; 2 photographs 
Diagnosis: Boil-like lesion containing protozoan parasites; 
myxosporida suspected 
Submitter: R 0 D. Schick 
RTLA 178. Discus fish, Symphysodon discus 
Material: One gross specimen; 3 photographs 
Diagnosis: Inflammation and necrosis in muscle due to mixed infection 
of bacteria and protozoa (microsporida suspected) 
Submitter: R. D. Schick 
RTLA 179. Iguana iguana 
Material: One gross autopsy specimen; 5 photographs including 
x-ray; 2 slides 
Diagnosis: Os teodys trophy 
Submitter: R. B. Northway 
RTLA 180. Corn earworm, Heliothis zea 
Material: Five 35 mm slides of histology sections from various organs 
Diagnosis: Infection with nuclear polyhedrosis virus of Trichoplusia ni 
Submitter: G. E. Cantwell 
RTLA 181= Cabbage looper, Trichoplusia ni 
Material: Six 35 mm slides of histology sections from various organs 
Diagnosis: T. ni with 2 polyhedrosis viruses 
Submitter: G, E= Cantwell 
RTLA 182= Zebra caterpillar, Ceramica picta 
Material: Four 35 mm slides of histology sections from various organs 
Diagnosis: Nuclear polyhedrosis infection 
Submitter: G. E. Cantwell 
RTLA 183. Silkworm, Bombyx mori 
Material: One 35 mm slide 
Diagnosis: Cytoplasmic polyhedrosis virus 
Submitter: G. E. Cantwell 
RTLA 184. Corn earworm, Heliothis zea 
Material: One 35 mm slide 
Diagnosis: Cytoplasmic virus of gut epithelium 
Submitter: G. E. Cantwell 
