t 
H 
. ylSHES. ABDOMINAL. 42- Silurus. , 83^ 
£yi.t at the fities of the Ijfad ; firft dorfal fin falcate ; back 
" rifing at the firft dorfal fin ; laterat line flexuous, branched 
tail nightly a-lohed. . * , . a , 
Dorf.',,o, feet.',, vent.'{}, aii. zo, caud. iii vays. ^ 
Second dorfal fin flelhy ; fihs unarmed. 
Inhabits rivers of Surinam. _ , j • rL„^, 
Head deprelfed, broad, Inbriaous ; jaws rough 5 dm Ihort 
placed before the noftrils ; firft dorfal fin rifing near the 
head, the firft i?y larger, hardly fpinous and fmooth ; thu 
4 firft rays of the anal fhorter ; tail lubtruncate, very llightiy 
2-lobed. * , 
DorJ. 7, o, pe^. i?) 7) 
B. Cirri A. , 
Back with only one fin. 
S?aW the mouth and a beneath ; teeth numerous ; dor- 
fal fin without fpinous rays •, firft ray of the pectoral ferrate . 
anal fin long, conneaed with the caudal. 
Dorf. 5 i p . : v.i^-. a. 82: c. 16 rays. 
Second dorfal fin flefhy ; tall lanceolate. . , , , 
Inhabits frelh waters of Chili; 10 inches long; o y row 4 
beneath white ; flelh very eatcellent. 
Dorf . ; , o : peel. 8 : vent. 8 ; an. 11 : caud. 13 rays. 
Second dorfal fin flefhy ; firft ray of the dorfaUnd peaoral 
fins fetaceous. 
South America. 
Dorf. I, o, pect. vent. 8, an. 32, caud, 15 rays. 
'•hI, 
Second dorfal fin one-rayed i a double row of fcales on 
,.£i “Si ,a»ing ton,. »f ftSdT. 
dried up crawls acrofs meadows in fiarc makins its 
perfonte the fidesof refervoirs for the purpofe of making 
: pcB. : vent. 7 : -an. 7 : 14 rays. 
C. Cirri 
