-29- 
RTLA 2530 (contd.) 
Habitat: Lake Erie; north of the mouth of the Raisin River 
Diagnosis: Neurilemmoma 
Submitter: J. G. Hnath 
RTLA 2531. Sheepshead minnow, Cyprinodon variegatus 
Material: Whole fish with a partially dissected growth; 2 
microslides 
Habitat; New York: Long Island, Southampton, Bullhead Bay 
Diagnosis: Myxosporidan pseudocyst 
Submitter: P. Weis 
RTLA 
2532. Tuna 
Material: 
Habitat; 
Diagnosis: 
Submitter: 
, Thunnus sp.? 
Six microslides 
New Jersey; off Brieue 
Protozoan pseudocysts of skeletal muscle — sporu- 
lating trophozoites of Phylum Cnidospora, Class 
Myxosporidea; possibly Kudoa clupeidae 
T. E. Hamm 
RTLA 2533. Pink salmon, Oncorhynchus gorbuscha 
Material: One microslide 
Diagnosis; Profuse cellular reaction to a microorganism, 
probably a protozoan 
Submitter: A. K. Hauck 
RTLA 2534. Koi, 
Material; 
Diagnosis; 
Submitter: 
Cyprlnus carpio 
Two microslides 
Granulosa-theca cell tumor 
S. Cohen 
RTLA 2535. Brown bullhead, Ictalurus nebulosus 
Material: One microslide of lesion on right pectoral fin 
Habitat: Alabama: 1/3-acre farm pond near Heflin 
Diagnosis: Fibrolipoma, probably subcutaneous in origin 
Submitter: J. Grizzle 
RTLA 2536. Brown bullhead, Ictalurus nebulosus 
Material: Two microslides of masses in the mesenteries; 2 
black and white photographs 
Habitat: Alabama; 20-acre pond 4 miles north of Opelika 
Diagnosis: Chronic pancreatitis, probably obstructive in 
origin 
Submitter; J. Grizzle 
RTLA 2537. Gizzard shad, Dorosoma cepedianum 
Material; Three microslides of multiple, scattered, pig¬ 
mented surface lesions; 4 color transparencies 
Habitat; Alabama: Baldwin County, Basin Negro near Tensaw 
River 
Diagnosis: Reactive fibrosis and melanophorosis in response 
to bucephalid trematodes 
Submitter: J. Grizzle 
