NO. 1358, 



JAPANESE SCULPINS- JORDAN AND STARKH. 



233 



JjLL. Upper preopercular spine simple or emarfiinate; 1)ack 



with a series of lar<ier plates along base of dorsal; sides 



with scattered scales; ])ody slender and elongate, ./re/1/.s, 7. 



////. Vniiicr with teeth; palatines witli none; sides with a series of 



bony, keeled plates. 



N. Plates iin hea<l viu-y small; Ix'dy rather robust; pre- 

 opcrcle with four spines, the uppermost hooked np- 



^^yryy^\ Stdf/islrum, 8. 



aa. La.st Kill arcli with a <listinct slit behind it. 



(), Sides of body witii obliiiue, serrated folds; preoper- 

 cular si)ines small, simple or bifid; gill membranes 

 free from the isthnms; no palatine teeth. 

 r. Caudal fin tnuu'ate or nearly so. 



Q. Back -with a series of bony tubercles along base 

 of dorsal; breast naked, with cross folds of 



skin Trlglops, 9. 



Fl\ Caudal tin emarginate; body very slender; lower 

 rays of pectoral produced; no bony plates along 



Ijase of dorsal Prionistins, 10. 



00. Sides of body without oblique, serrated folds; no 

 bony tubercles along dorsal fin; body very 

 robust. 



E. Bac-k with one or two bands of large, rough 

 scales; lateral line without bony shields; 

 palatines with teeth; i)reopen'ular spine 

 Ct. 



S. Back aiid sides with two separate bands of 

 coarse, rough scales; ventrals moderate; 

 spinous dorsal notched; gill openings 

 '^- . forming a broad fold across isthmus. 



*■ TIcmilepidotns, 11. 



SS. Body without scales, but with a l)and of 



coarse, bony plates along lateral line; 



gill membranes broadly united to the 



isthmus. 



T. Preopercular spine sim]>le, very strong. 



Enophrijs, 12. 

 TT. Preopercular spine very long, armed 

 above with recurved hooks. 



CeratoeotiHs, 13. 



FF. Bodv not definitelv scaly nor armed with bony plates, the skin 

 smooth or prickly or with scattered warts; no bony armature along 



lateral line. 



r. CoTTiN.K. Skin smooth or warty or 

 velvety, not evenly hispid w ith stiff 

 prickles; head and body more or less 

 depressed. 

 V. Gill membranes broadly united to 

 the isthmus, not forming a fold 

 across it; fresh-water species with 

 the head feeV)ly armed; palatine 

 tei'th pn-sent, occasionally few or 

 wanting altogether; no slit behind 

 last gill arch. 

 -It) 



Proc. N. ^I. vol. xxvii— 03- 



