V 





P 



\[2 lilLLiniN :;i, UNITKI) STATKS NATIONAL Ml'SKUM. 



loii'-est l»iit is very littlo iiiarc! tliaii tlic scooiiil, iiu.l this than the first 

 ■iiul'lou'itli Tlic tl.inl liii-cr is .iontiiiiuMl nearly four tiii.cs in tlio (lis- 

 iancc lion, elbow to tip. Ti.c lomtl. loc, is louf-vr than third in three 

 specimens; in one the second exceeds the fourth a little, ami the same 

 are nearly eipial in case of the lin-ers. 



The color of this si.ecies in alcohol is a kind ot (hirk reddish-brown; 

 paler beneath, mottled and marbled above, and on the sides with darker 

 brownish; iuost distinct on the head, especially on the snout, where the 

 skin is i)erfectly sino'>f h. The head shows a tinye of f^rayish in the 



«;ronnd color. . , ,t ■ i 



(For fresh color see the ligure in (lir.ird's Ileri>etology ot the United 



States Exploring Kxpedition.) 



There are two varieties of this species: <f. Where the hnval rejjjion is 

 Hat and the muzzle narrower before the orbits, and the marblinj<;s con- 

 lined to the head; the body i»eiii«-of a nearly uniform brown. Repre- 

 sented bysi»eciinens 1710 and 4(l.*>3. fi. The loreal rc-iioii swollen in 

 front of orbits, ami hence the muzzle broader; tlu^ f,M(»und color {gray- 

 ish, with coarse brown marbiinji-, like larye hollow spots, distributed 

 over the whole upper surfaces of the body and tail. Hei)resented by 

 No. r»!»Sl and a larj>e specimen (leiijith S inches (J lines) in .Mus. Phil- 

 adelphia Academy of Natural Sciences, from I'.ody I'.ay, latitude .'i8^ 18' 

 north, on the coast of California, procured by (leor^e Davidson, of the 

 U. S. Coast Survey. 



Clioiidrotiin Idnhromin lid. (iinl. 



IJKSKKVK SKKIKS. 



Cataliisiio No. u(. 

 luiiiibi'i-. spec. 



I.iKiility. 



Wlifii 

 cjllccti'il. 



KlDin M liiilii irnivt'cl. 



I 



4710 

 4053 



SD81 



14182 



mm 



U5.-)U 

 13781 



1 I OlPiIoii K\| lorini; c\|M-(li(iciM 



] ■ Astoria, Oit'soii I I.iciit. W. 1'. Tii>\\ In itljic 



I r. .S. Aiiiiy. 



1 Cliilow .viirli I.aUc, Dr. ('. 11. K. KciiiKilv 



(hfumi. 



1 l'ii;;ct Sdiiiiil. Oic;;iiii "Ill 



1 ! roillunil, Oii'Uo" l***^''' •!. I'i'visiiii 



1 ! Slia.sia Cuuiit.v, Cal... I'^KH I.. W. ( liviii 



7 do 18h.') (y'lia.s. Ti)W iiHiiiil .. 



N'aliiii' »rHiicii- 



IIICll. 



Ali'iilicilic t.vpr. 

 .Miiiliiilic. 



Do. 



Do. 

 Do. 

 Do. 

 Ad. and larvii'. 



rroportional dimcnuions. 



Head: 



Lenjitli "I" 'X'i\»' of iiioiitli to it.s width two-tliirils. 



Width contained in distunce from siiont to fftihir I'ohl l\ times. 



Width coiitiiincd in di.stancc fVoni snout to >;roin -I times. 



Troni .snout to j;ular fold oontaiiu'd in di.staiu'c fioni unout to 



jrroin lilt If over li tinii's. 



Di.stancc anteriorly lii'twecn eyes in lent^th of orl)it not <|nite twice- 



Ui.stancc from i^ycs to nostrils in lenj^th of orbit four-tiftli.s. 



Distance between external nostrils in length of orbit H timt^s. 



Distance between inte'iial nostrils in length of (ubit ionr-lifths. 



Width of tnncnus to width of head one-half. 



1 



t 



\ 



liimi 



Tail: 



F.engll 

 I' 

 1' 

 I'rl 

 I'rj 



1 I. 



ad: 

 Wi 

 Wi 

 Wi. 

 Dis 

 Disf 

 ])isl 

 Disti 



!!• 



The lai 



any other 



1051- 



