698 



BULLETIN OF THE UNITED STATES FISH COMMISSION. 



thickly covert'd with platea lilje tlie smaller mies ou dormil surface, those in front of ventrals some- 

 what enlarged; two short series of spines on tail; outside the iris, the eye is thickly lieset with small 

 prickles; lateral line distinct, deeply channeled, bordered aliove and below, along sides of trunk and 

 tail, by a series of sjiinous plates, one ])air to each pajiilla; a jjair of flaps, with narrow pedicels and 

 expanded fringed ends, meet above each payiilla, intervening between latter and the pair of spines; 

 structures entirely similar along edge of disk; immediately contiguous to the tirst, fourth, and lifth 

 l>apilla on each side of symphysis is an accessory papilla i)lace<l forward on antcrinr inai-gin of groove; 

 in this, the fringed lolies and projecting; spines are arranged at si<les of papilla, that is, parallel with 

 groove, instead of transversely to groove as in those of the regular series. 



^ ^A^^:,^ 



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Fig. 27.1. — Dil'ritinlni^ triifhyuiu^ <;illii'rt. new species. Type. 



Distance from origin of dorsal to base fif caudal a trillc more than half predorsal length; wdien the 

 dor.sal is declined, its tip extends halfway from its nrigin to caudal base; second anal ray equidistant 

 from vent and base of caudal ; when turned forward, the jiectorals pass subopercular si)ine; ventrals not 

 nearly reaching margin of disk. 



In life, uidform light carmine-red, the blackish lining of gill-cavity and abdonunal cavity faintly 

 visible through the thin walls; lower surface suffused with purple; tins, lure, and buccal cavity 

 unmarked; the lius d(M'per red or a little ilaiker in color. 



Only the type known. 



Dibranchus stellulatus, new species. Fig. 27fi. 



Type, 1)7 mm. long, from station .)(l.s(), ,ifr Ihr uoilli coast of .Maui, depth 17s to L'Ol'. fathoms; type, 

 No. .'S15;i5, U. S. Xat. ]\Ius. 



< ireatest width of disk at base of suliopercular spine much greater than its length, e(|Ualing distance 

 from tii>of snout to middleof dorsal base; length of <lisk (l.'i hundredths of total length, without caudal; 

 greatest width of disk, not iiu'luding lateral spines, 7.S; longitudinal diameter of orliit U; the sliglitly 

 concave interorbital width 11; width at baseof rostral projection IL'; length of the projection IL'; width 

 of mouth between angles 25. D. 6; A. 4; P. 14 or 1.5; V. i, 5. 



Disk everywhere depressed, highest above middle of orbits; occiput broadly flattened and a little 

 concave; antero-lateral outlines broadly rounded; snout f.irming a sharp, narrcjwly triangular i>ro- 

 jection, which is directed forward an<l upward, and cNlcnds well beyond mouth; outline of disk 

 abru]itly angulated at suboi)ercular spine, gently and regularly I'oncave from that point to base of 

 pectoral tin; lure with a very short pedicle and a large trilobate head, the median portion of which is 



