CLAVIS ORDINUM. 



►e 



o-i 



w 



fofieis 

 cauda j bran- . 

 per- I chiis < 

 pen- j 

 dicu- 1 

 lari; 1 

 pin- 

 na- 

 runi 

 radiis 



r 



officu- 1 

 latis, 1 

 innnis ] 



inerinibus MALACOPTERYGII 



pungenti- ACANTHOPTERYGII II 

 bus 



L offibus deftitutis BRANCHIOSTEGI — III 



Cartilagineis CHONDROPTERYGII IV 



_cauda horizontali — PLAGIURI — — V 



Mahcoptevygii fubdividi poflunt; in 



ct>. Pinna dorfi unica, in medio fere dorfi; genus i ad 6 



/3« Pinna unica , in medio fere dorfi & unica po- 



ftica dorfi adipofa ; — — 7 — 9 



«y. Pinna unica in extremo dorfi — — 10 — n 



$, Pinna unica pluribufve per totum dorfum ex- 



tenfis — — — ia — 17 



f, Pinna dorfi unica longa, vix a cauda diftin&a 18 — ip 



£, Pinna exigua unica in extremo dorfi vel nulla ao — ai 



Acanthopterygii funt vel 



M. Capite glabro — — — — 22 — 29 



/3. Capite afpero — — — — 3o — 31 



DEFI- 



