I si; 



siihtriincalc in iVoiil. slii;litly ('(Hivcx. J\Ioiit]i witli vci y 

 small t('vi\\ ill scvcnni- cinlit inws. l-Iyos ]ir(»iniiiiMil\, laleial. 

 tour lt\'t. ii])art . Tail ll>ll^■, l(in<;iT tliaii l^xly, slender, (.■oiii- 

 ])resse(l, termiiiatiii^ in a. ^ileiider extremity, and armed witli 

 one or more spines. hoi'sal Hn small, ti'ian<i,'ular, with thir- 

 ty-six rays, jilaced ovei' the hase td' the tail l)elw(_'en ventrals. 

 Pectorals miieh elongated, ai'cheil in front, eoneaye beliind, 

 ])rojeetiiii;- on ea<'h side of the month, and xi^^vd as instruments 

 of prehension. Aentrals l)road. shai'p. dee[)ly emarginated 

 and rounded behind: eontinnons in front \vilh the pectorals. 

 lUny-blaclc above: duslvV, varied with ]aiL;f, oparjue, white 

 clouds, beneath. Leii,uth to liase of tail, Id feet: to the end 

 of tail, Hi feet; Avidth aci'oss the ti])s of the jx'ctorals, 1 7 I'l-ct . 



(.'. /vo//yO//y".s-, ( inenther. \' II 1 p. d'.lS, 



( U'pli(ili)jtl(i-iis i-<inii>iii-iis, Mitchill, Ann. L}c. ^\'at. Hist. 

 New \'ork, isv;;, 1 p. ji:;, ]il. -l. ti,-. l: l)(d\ay. New \'oik 

 Fanua, Fishes, p. ;!77, pi. '>7. tiu. -I".'. 



(I'ini-iKi , Li'siienr, doni-n. A''. Xat. !^e, I'hilad. IV. p. 

 ll,">, pi. C. 



( 'I't'dfojilii-ii riiiiijin-iis^ J)umeril, I'dasmof)]-. p. JWJO. 



This hu,L;'e monster of the deep is found in the<li'ains of the 

 ocean, m-ar tSine]>uxent \\;\\ . and occasional neai' the entraner 

 lo ( "hesa])eake Bay. 



lA'IIl— r^VCiOXID.-K. 



PTEROl'LATJvA. .\lullrr .V- llenh'. 

 I*. .\i.\('i,t it.A. 



The Broad Stiiiji;-Uay, or Biittei-Hy ]{ay. 



Body oval, elliptical, broader than loui;: snout blunt, not 

 ]u'odiu'ed beyond the lateral mai'gins of ])ectoi-al tins, but con- 

 tiguous with them. Surface rough; eyes small, near the 

 snout; mouth with minute, triangular, shar]) teeth, each 

 emarginafeil at base to recei\e the hind toetli. A'eiitraJ tins 

 shitrt, bi'oad and roumled. Tail short. one-tliir:l as long as 



