CHINA. 1751. 25 



Chtpea Myjlus : the membrana branchiojlega 

 has ten rays : the dcrfal-jin is oblong, dire&ly 

 oppofite to the ventral -fins, and has thirteen 

 rays, of which the firfl is the fhortefl : the 

 pecloral-fins have feventeen rays, of which the 

 feven upper ones are divided, and of fuch a 

 length as to reach beyond the anus : the ven- 

 tral-fins are oval, and have feven rays: the 

 anal-fn has eighty-fix linear rays, and reaches 

 from above the middle of the fifh to the tail : 

 the tail is fharpened, and has thirteen or four- 

 teen rays : on the belly are 43 little teeth (den- 

 ticul'i): the body is narrow, comprefTed, the 

 hind-part decreafes very much : the upper jaw 

 is the longefl, and ends in a prominent, fer- 

 rated beak, fhaped like a fword : the mouth is 

 in the form of a rhombus, and large. The 

 fifh is of a fpan's length, and white. 



Perca Chinenfis. The dorfal-fn reaches from 

 the head almofl to the tail, is lower in the 

 middle, and has thirty-fix rays, of which the 

 ten firfl are fpinofe, and the ninth is the ftiort- 

 eft, and unarmed : the pefforalfins have 

 eighteen rays : the ventral-fins have fix unarm- 

 ed rays : the anal-fin has ten rays, of which 

 the two firfl are fpinofe : the tail is oval, and 

 has feventeen rays : the mouth is oblong, the 



teeth 



