30 TELEOSTOMI. 



r. Anal rays more than 20 I'omatomid.k, 57. 



VV. Anal rays less than 20 I'liuciu.t^ 03. 



VUU. Anal spines three. 



W. I'seudobranchiu; small, fleshy, covered by skin. 



Centrarciiid.k, 62. 

 WW. Psendfihranrhia- larpe, exposed. 

 A'. Maxillary slij)|iiiig undir preorbital for its whole Icnf^th. 



SSrAiUD.K, 66. 

 XX. Maxillary not slipping under preorbital for its whole lenj^th. 



Skkhamd.k, 04. 



UUUU. Anal spines, 4 to 10 Centkauciiiu.*;, 62. 



TT. Vomer without teeth. 



1'. 'JVeth sL'tiform (tooth-brush like) ; soft parts of vertical fins 

 densely scaly; body elevated; dorsal deeply notched. 



ErHU'PiD-K, 71. 

 IT. Teeth not setiform. 

 Z. Lateral line obsolete; dorsal spines about 4. 



Elassomatid.s, 61. 

 ZZ. Lateral line present. 

 a. Anal spines 1 or '2; a large slit behind fourth gill. 



b. Lateral line extending on caudal tin ; snout scaly. . . Sci-BNID.k, 68. 

 bb. Lateral line not extending ou caudal tin; snout scaleless. 



Pekcid.e, 63. 

 aa. Anal spines 3. 



c. Slit behind fourth gill none; lower phar3Tigeal9 completely united; 



jaws with canines in front Labkiu.e, 70. 



cc. Slit behind fourth gill large. 

 d. Anal with more than 16 soft ra3"8; prcopcrcle serrate. 



Stkomateid.e, 58. 

 dd. Anal with less than 15 soft rays. 

 e. Maxillarj- slipping beneath the broad preorbital for its whole 



length; dorsal sjiines more than 10 Spakid.e, 66. 



^e. Maxillary not slipping beneath the narrow preorbital. 

 y Dorsal spines 12; prcmaxillarics moderately protractile; pseu- 



dobranchia; large Ix)Hr)TU>.«, 65. 



yy Dorsal spines 9 or 10; premaxillarics extremely protractile; 



pseudobranchi.T concealed Gkurid.e, 69. 



FF. Ventral fins with or withcut sjiine; the number of rays not I, 5. 



X. I'pper jaw prolonged in a sword IsTKiriinnin.K, 53. 



xjc. I'pper jaw not sword-like. 



f. Dorsal tin low, of spines only Bi.enniid.k, 83. 



ff. Dorsal fin of spines anteriorly, of soft rays posteriorly. 

 g. Ventral ra^'s 7; vent anterior; dorsal spines 3 or 4. 



Al-IIKK.DOI>KRm,«. 60. 



gg. Ventral rays I, 1 ; dorsal spines free; vent normal ; body mailed. 



Gastkkosteik.k, 45. 

 ggg. Ventral rnys L4; lK)dy scaly; pectoral fin divided to base in 



two nMerpinl parts t'KlMiAi.ArANTliiD.E, 76. 



fff. Dorsal of soft rays anteriorly, with low s])ines posteriorly. 



Ly('(ii>ii>.e, 86. 

 ffff' Dorsal fin of soft rays only. 



