FISHES. THORACIC. 33. GafteroHeus, izi 
Eyes extremely large, iris filvery ; gill-covers armecl on the up* 
per part with a ftrong rough fpme, and a fmall one on ther 
lower ; fcales fringed and covered with fmall fpines, thde on 
the abdomen pvoietUng into a fliortinv fpme, pointing back- 
wards and forming a lharp keel ; tail 
of ail the Jins paler; 3 firft rays ot all the fins, except tlu. 
pectoral, ftrong, rough, and finely lermtc outwards. 
Dcrf. 14, pect. 13, vent. 7, an. la, cand. 24 rays. 
04 GASTEROSTEUS. Head oblong, 
fmooth: jaws armed with minute 
teeth- tongue fhort, obtufe : palate 
fmooth: eyes moderate, hardly pro- 
minent, lateral ; gill-membrane with 3, 
6 or 7 rays; gill-cover of 2 pieces, 
rounded, ftriate : body carinate each 
fide, and covered wrth bony plates : 
dorfd fin fingle, with diftina fpines 
benveen it and the Uterd line 
ftraight i vcfitTdl fins behind the pc 
rd. lut above the fternum. 
44|», 05'“ about 3 inch,, ■, is very 
on the fry and fpawn of fifh, worms and infeas ; appears 
fomltimes'in vaft llioals, and is chiefly ufed for manure or to 
Tlve^ry^ arttr Ides ; head compreffed, floping on the 
^ fore.partTe^« prominent, iris filvery ; bfy near the tai 
fauare- gill-covers \irgt, filvery ^cAin zndbreajl 
flne red ; lateral line rough, nearer oF 
ventral conftfts of one fpme 3 flat bony 
lengths, one beW large, 
plate between botS; beneath the vent 
Dorf. ae; pea. 10 : venUV. an.,: ca'ad. 12 rays. 
DuRar.' 
