. Synopsis of the fishes of North America [microform]. Fishes; Poissons. KEY TO FAMILIES OF PISCES. 77 MM. Caudal peduncle stontish, the fin little forlvod. :, 77. ..s ,. KK. Dorsal spines (if present) all, or most of them, connected by membrane. ,,. N. Pectoral fin with 4 to 9 U)\vermo3t rays detached and filiform I'OLYNEMID^, (jH. NN. Pectoral fin entire. O. Dorsal and anal with detached finlets. P. Anal preceded by *2 free spines Carangid^, 75. .,'...- ' , PP. Anal not preceded by y free spines. SCOMUUID/E, 74. 00. Dorsal and anal without finlets. Q. Lateral line armed posterio
. Synopsis of the fishes of North America [microform]. Fishes; Poissons. KEY TO FAMILIES OF PISCES. 77 MM. Caudal peduncle stontish, the fin little forlvod. :, 77. ..s ,. KK. Dorsal spines (if present) all, or most of them, connected by membrane. ,,. N. Pectoral fin with 4 to 9 U)\vermo3t rays detached and filiform I'OLYNEMID^, (jH. NN. Pectoral fin entire. O. Dorsal and anal with detached finlets. P. Anal preceded by *2 free spines Carangid^, 75. .,'...- ' , PP. Anal not preceded by y free spines. SCOMUUID/E, 74. 00. Dorsal and anal without finlets. Q. Lateral line armed posteriorly with keeled plates; 1 , , . 2 free anal spines. ,, ; . CAUANGIDiE, 75. QQ. Lateral line unarmed. R. Throat with 2 long barbels (placed just behind ^ chin) MULLID^, 95. ER. Throat without long barbels. S. Vomer with teeth. :i , " T. Dorsal tin continuous, without distinct spines. U. Caudal fin deeply forked; no pseudo- .).E,7d. UU. Caudal fin rounded; pseudobranchiio Itresent , 101. TT. Dorsal fin with a dillerentiated spinous part. V. Gill membranes joined to the istlunus; no lateral GoBiiD^E, 104. W. Gill membranes free from the isthmus. W. Eyes lateral. * • X. Anal fin preceded by 2 free spines. - Scales cycloid, minute. Caiiangid/E, 75. — Scales ctenoid, moderate. I'<).MATO:MIl)yE, 76. XX. Anal fin not i)receded by free spines. Y. Tail keeled Cauangid^, 75. , YY. Tail not keeled. Z. Anal spines none. ' ^ ., , , 86. ZZ. Anal spines 1 or 2. • Scales largo, deciduous; mouth nearly vertical Apogonid^, 89. ," Scales smaller, adherent; mouth nearly horizontal. tAnal rays more than 20 :, 76. ttAnal rays less than 20 1', 85. ZZZ. Anal spines 3. t PHeudobranchin^ small, glandular, covered by skiu CENTUARCHiDiE, 84, tt PseudobrunehiiB large, exposed. • r : /, H Front teeth ineisor-like, compressed Sparid^, 88. HIF Front teeth all pointed ; no incisors. ^ Maxillary slipping under preorbital fo
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectfishes, bookyear1882
