FISHES OF HAWAIIAN ISLANDS. 



fil9 



Grammatonotus laysamis, ik-\\ speciBs. Fiir. 1^4(1. 



Tyi»s .W mill, ill total lciif>;lli witlumt rauilal, Iniiii titatiun illM", near l,a\>aii Islarni, ilc|itli H7 to 

 I'.l'.i fatlioMis; typr, No. ril.ill), I'. S. Xat. Mus. 



Hcail ;!.") liiindredtli.s of total lenjrtli without caudal; Icnjitli of snout ">; l(.Mii;tli of maxillary lo; 

 diami^tiM- of orbit 15; iutcrorliital width 10; fiivatcst depth of body .i2; least depth of caudal |iedunele 

 17; len};th of caudal peduncle L'l; leiifjth anterior to dorsal fin SH; base of dorsal 47; lontjest dor.sd 

 spine 15; lon^jest ilor.sal ray 2M; leiijjth of third anal siiine 13; longest anal ray 23; longest jiectoral ray 

 25; ventrals 27. D. xi, 8; A. iii, 9; 1'. 19; V. i, 5. Tubes in lateral line 18; transverse rows of scales 

 between up))er end of pill-o|)enin<; and base of caudal 25 or 2(); scales in an obli(iiie row between point 

 of dorsal and vent, 10 or 11. 



Caudal jieduni'le short and (U'e]), more than half greatest dei>th of body; .snout very short, evenly 

 rounded, transver.sely convex, as is also the interorbital space and occiimt; anterior nostril with a short 

 broad tube, in front of eye; [)osterior nostril a small round pore widely separated from tlie anterior, 

 located on upper orbit;il rim but little in advance of pupil; eye very large, three-sevenths length of head; 

 mouth obli(]ue, short, ma.xillary narrow, not reaching vertical from middle of eye; suborbitals very 

 narrow, not concealing maxillary; in sides of preniaxillaries a narrow band of fine villiform teeth ami 

 an outer series of small canines, tlie anterior 1 or 2 teeth of outer series a little enlarged; a deep notch 



ii 





Kk;. 210. — iirainimttiHtotU!^ lai/s<uitts CiUn-rt, Tunv .speoit'S. Type. 



between premaxillary teeth anteriorly; mandible with a single series of teeth similar to outer premaxil- 

 lary teeth, 1 or 2 of anterior teeth slightly enlarged; a few niimite teeth on head and shaft of vomer, and 

 on front of palatines; preopercle rounded, with entire margin; opercle with a horizontal rib ending in a 

 single jmngent spine; clavicles forming a sharp keel below on median line, embracing po.sterior jiart of 

 isthmus and region immediately jiosterior; gill-membranes narrowly unit<'d anteriorly, I'orming a free 

 fold across isthmus; brancliiostegal rays 6; ]i.seu(lobranchi:e large; gill-lainin;e narrow, the anterior 

 set of HIainents on first arch and the jiosterior set on fourth arch shortened; a well-developed .slit 

 behind fourth arch; twenty long slender gill-rakers on horizontal jiortion ofouterarch, the longest two- 

 sevenths diameter of orbit; a series of large pores on mandible, and one extemling from sides of snout 

 around posterior half of orbital rim, and on suborbitals. 



Dorsal .sjiincs slender and flexible, increasing in length to behind middle of Ihi; last 5 spinesabout 

 equal; anterior rays of soft dor.sal injured in type; fourth ray produced, overlapping rudimentary cau- 

 dal rays; succeeding dorsal rays again rapidly shortened; anal sjiines regularly graduated, third sjiine 

 about five-sixths the longest dorsal spine; anal tin, like soft doisal, with middle rays produced into a 

 a sharp lobe; sixth and seventh rays overlapping base of caudal, the succeeding ray rajiidly shortened; 

 caudal injured in the tyjie, its sha|ie unknown; outer ventral ray jiroduced well lieyond sjiine, 

 overlapiiing the vent. 



