DISCUSSION OF SPECIES ANU TUIilU itlSlKlUUTlOX. 483 



Order HEMIBRANCHII. 



Hemibraiirhii, Coi'K, Vr»c. Amcr. Assoc Ailv. S<iiMRi', xx, 1.S72, ICtx.— (Jii.i,, Arr. Fain. Fish., 872, xxxix; 

 Pioc. Acail. Nat. S<i., Phila., 18.S4, lol. 



Pbysoclystou.s, teleocepUalous fishes, luiviiii;- Utr. |>iiaryiii;c:tl hones mid braneliial arches 

 ill some respects reduceil or delicieiit, and only one. bone connectiii;;- tilt; shoiihler yirdle 

 witli the skull. 



Family M ACRORH AMPHOSIDyE. 



/ Ceiili-isrhiiii, Uawnhsquk, IiuUcc d' lttiol(>gi;t Sii-iliaii:i, ISW, ;i;;-;;i. 



Vcntriscoidei, Bleekhu, Euiuu. Sp. Pi.sciiiin, Aroliipol. Indieo, Is5i1, xxiii. 



Voitriscidir., SWAINSOX, Nat. Hist. Fisli, ct.-., ISIfit. ii, 151. — (iiMiiKU, Cat. Fish Brit. Mus., in, 1861, 518. — 



Gill, Arr. Fam. Fishes, 1872, 2.5.— Joudan and (iii.HKur, lUiU. xvi, IJ. S. Nat. Mus., 1882, 387. 

 Mi(rrorliiim.pIii)siihr, OiLL, Proc. Acad. Nat. Si-.i., Phila., ISSt, li;:!; t'ciitiiry Dictionary, li'iH.'). 



llemibraiicliiatcs with comi»ressed body, armed with bony jilati^s on belly and aiit<'rioi- 

 parts of body. Snout loug, tubiforiii. Ventrals abdouiiual, with one spine and seven 

 rays. Dorsal siiiiious, distinct, median or post median. The lour anterior vertebra; mu(!h 

 lengthened. The, branehihyals and pharyngeals mostly present, the lourtli superiw 

 branchihyal and the lirst and tbiiitli superior pharyngeal wanting. 



MACRORHAMPHOSUS, Laceped 



e. 



MacnirlKiiiijiliDnKX, IjACEPicnE, Hist. Nat. Poiss., V, \?4i. 



CcnlrinciiK, CvviKK, lii-'^ne Animal, ed. I, 1817, ll, 3.")0. — GiiNTiiKi!, (!at. Fish P.rit. Mus., iii, 518. — loRDAN 



and GiLBEKT, Proc. U. S. Nat. Mus., V, 1883, .575. 

 Orthichthiis, (Jill, Proc. Acad. Nat. Sci., Phila., 18(;2, 231. 



Ceiitriscids, having the body o])long, .slowly merging into a caudal peduncle. Back 

 straight; dorsal spines about 7. Three loiigitiidiiial rows of plates on tin; breast. 



MACRORHAMPHOSUS SCOLOPA.X, (LiN.N.iais). (Figure 3915). 



Centri>:cits Hriihtpnx, laxJ^Els, Syst. Nat., id. XII, 1766, I, 115.— Gi NTllElt, loc. tit. — Vailla.nt, Exp. Sci. 

 Tiavailloui- d Talisuiaii, 338, pi. xxvii, Fig. 3. 



A M<icri>rh((mi>liostis, with very strong second dorsal spine, which is serrated posteriorly, 

 whose length is three-liftUs to three eighths of the distance Irom the opercle to the caudal; 

 the height of its body is four-seveuths to three-fifths of the distauce from the operculum to 

 the base of the caudal. Lateral line 57; transverse line .•57. 



Eadial formula: D. V+l-'; A. 2(t. 



Color, rose or reddish olive on the back, silvery on the sides and on the belly. 



This species is not unusual in the Mediterranean, has been found on the .south coast of 

 England, and in Mas.sacluisetts Bay. As many as 10 individuals were caught by tlio 

 French exploring vessels at considerable depths:— olf the coast of Morocco, station XXiil, 

 at 120 meters; oif that of Soudan, statiim Lxvii, at IM meters; and ou the liauc tl'Arguiu, 

 stations XO, XOI, and XCII, at UO to 235 meters. 



Family AULOSTOMlD>E. 



Les Anioslomiihs (part) Latreille, Fam. Nat. llcguc Auiirial, 1825, lil. 



Aiilostomatidn- (part) CaNTOK, Cat. Malayan Fishes, 1850, 211. 



AulosUimaloidfi, Uleeker, Enuiu. Sp. Pise Arcli. lud., 18.5i1, xxiil. 



Juh,,iomUh; (;iLL, Arr. Fam. Fi.sh., 1872, 11; Proc. Aca.l. Nal. Sci.. Phila., 1881, 160. 



Ilemibranchiate fishes, with compressed, elongate body, small ctenoid scales, and 

 continuous lateral line. Head long; mouth small; with .snout elongate, compressed, tubi- 

 form; lower jaw prominent, with barbel at symphysis. I'remaxdlary not protract lie; max- 

 illary broad,'trianuular, with a supplemental bone. Teeth mi.mte, in bands on lower jaw 

 and vomer. Spinous dorsal present, of S to 12 feeble, isolated spines. Sott dorsal and 



