27 6 
The Hiftory of A ,N I M A L S, 
only that they have fome whitenefs about the bafe ; the ventral fins are alfo black: 
the pedoral fins have each fixteen rays, and the belly fins have fix rays each; the back 
fin is very long, and has thirty-eight rays, of which the nine anterior ones are prickly, 
the others are foft, and divided at their ends: the pinna ani has twenty-nine rays, and 
the three firft of thefe are prickly; the tail is large, broad, and even, not divided at 
the end ; it is white, and has fixteen long bones or rays } when extended, it is of a 
fomewhat triangular figure : there is on each fide a ftrong prickle near the,tail, which 
has a furrow formed in the fide of the fi{h to receive it: the whole fifh is of a de¬ 
prefled form, and is confiderably broad, in proportion to it’s length. 
It is a native of the South-Seas j none of the writers of fifties have defcribed it, with 
any degree of accuracy. 
Chcetodon niger capite diacantho , lineis utrinque quatuor 
tranfverfis curvis . 
The black Chwtodon , with two fpines on the head , and four 
tranfverfe , crooked lines on each fide. 
The head of this fpecies is moderately large, and is of a deprefled form, and very 
declivous from the eyes to the extremity of the roftrum : the eyes are moderately large, 
and are fituated very forward on the head, much nearer the roftrum than in either of 
the preceding fpecies: the roftrum is fhort and obtufe, and the lower jaw is a little 
longer than the upper 5 in each jaw there ftand feveral feries of oblong, flender, and 
moveable teeth j they ftand dole together: the palate is fmooth, but in the fauces, 
both on the upper and under parts, there are a great number of villi or hairs, which are 
flexible, and are fcarce at all rough : the coverings of the gills are lightly ferrated at 
their edges toward the middle, but at the lower part they terminate in a large and ro- 
buft fpine, which turns backwards; the apertures of the gills are larger in this than 
in any other fpecies: the whole body of the fifh and all the fins are of a dark 
blackilh-brown colour, but there run down the fides four yellow, or fometimes whitifh, 
lines, in a tranfverfe dire&ion, but lunated or crooked : the firft of thefe is lefs crook¬ 
ed than the others, and runs through the middle of the coverings of the gills ; the fe- 
cond and third furround the middle of the body, and are lunated j the convex part or 
back is turned toward the head, the points or horns toward the tail: the fourth or 
laft line furrounds the beginning of the tail j this is extended from the fides, and fur- 
rounds, as it were, the tail: befide thefe lines on the body, there is alfo on the head 
a tranfverfe line on each fide near the mouth, and another longitudinal and ftraight one 
on the top of the head. 
The fcales on this fpecies are fmall and rough j the lateral line is crooked, and runs 
more to the back than the belly; the back is elevated, and fomewhat acute, and the 
belly is flatted ; the anus is at a fmall diftance above the pinna ani. 
The back fin is very tall, and in the middle forms a kind of horn ; it has forty-one 
rays, and the nine or ten anterior ones are prickly : the pedtoral fins are blackilh, and 
have each nineteen or twenty rays; the ventral fins are extreamly black, and have fix 
rays each, the firft of which is prickly: the pinna ani is very large, and is railed into 
an eminence in the middle ; it has twenty-feven rays, and the three firft of them are 
robuft and prickly : the membrane of the back and belly fins are very robuft and firm, 
and are covered with fmall, rough fcales, up to the very tops of the rays : the tail is 
nearly even at the extremity, but a little convex; it has feventeen long rays. 
This fpecies grows to fix inches in length, and a little more than three in breadth ; 
it is a native of the Brafilian Seas. Marcgrave, and Ray after him, call it, by it’s Bra- 
filian name, Guarenca j Lifter has named it Acarauna exigua nigra zonis aliquot luteis 
eleganter depidta. 
Chcetodon aculeis duobus brevibus fupra oculos , offtculo tertio pinnae dor- 
falis altiffimo. 
The Ghee todon , with two fhort fpines above the eyes , and with the third 
ray of the back fin tallefl. 
The body of this fpecies is deprefled, broad, and (hort; the back fomewhat acute, 
and the belly flatted : the roftrum is very long and flender, and the head is very decli¬ 
vous 
