EXl'LORATIONii IN Wi:STi:UN CANADA, ETC. 



125 



< KN rUARCIIin.K 



10 



-11 

 II 



Tlin fiuiiily dentrnrchiil I' ort'frs ;iii ii]>i»iin'iit (;vei)ti()ii, since siniie ot'tlu^ jUencMof 

 thisfiimily have iniicli loii^jcr liii>i than the only I'aeiUc slope represeatatixi'. as indi- 

 cated hy the foUowing tabh*: 



llliliilii- uliijir i/iiniii irilliiiiil 1 1 jin >•! iilit'h I s mi llii I'aiijif itli'jti . 



y but Inn: 

 water. T 

 Leaviii;. 

 p, with l\V(, 

 est nniiilii; 

 faniily: 



OpUtTll. 



I)iir.Hiil. 



Aniil. 



(Viitrairliim XI<.rXII.I-J • VII cir VIM, ir.. 



I'liniciviM Vl-vm,15 ' VI. IH. 



Clii'iiiiliiMlim X. (tor 10 Ill.Hi.rH. 



Aiinitliiirrlius VI. MP W ID 



KiiiMiu'aiilliii.H ' '.(iiXiS-U Ill IV.ti-l{]. 



Ml•sl(l;(lnislill^ \, HP III. I'J. 



h.-poiPPi'' X.lit r.' III.U-U. 



Mi<r<i|iluipps X. l:i 111,12. 



But a einiipaiisoii of Arvlioplifrs with its nearest .Vtlaiitic slupe rehitive j-ives tiie 

 folloNviiij: interest in f>- leMilts: 



•lie. 

 Liinl. 



11-13 

 10-11 

 8-15 

 «-U 

 O-U 

 T-U 

 7 

 4 

 U 



u lioth sldi"'! 



A II III, 



I.!t 



I,n<>rlO 



1, 8 



1. 8 



I. H 



I, IIP 



1, 8 



LiK-iilil y ;iMii .spfc ii'S. 



Hill Mill. 



Aiiul. 



.\ri lin|iliii > iiiliiriiiiliis X HI. Ill ' \ II. !ii 



Atlaiilir sill 



Aiiililiiplilin I Ujir.stiis XI, 10 



VI, lU 



(rivinji' ail increase of 2 spines in tiie dirsul and of 1 spine in tlie anal tor tiie 

 Pacilic s!oi)e as eoinpaieil with tlie nearest allied species, and an absolnt*; jiain of 1 

 dorsal spine ovt.'r all tlic! otiic:' j-eneia of this family. As the coinparison on.uht obvi- 

 ously ti) he limited li» thos(> ijeiier.i or closely related it'eiiera having:'' representatives 

 on both sides, the contrast (l)et\v«'en vl*v7/(»^>//7r,s and AinhlopliUH) is very striking. 



the maxiiiiii 

 (tstircst' »'' ■ 

 crease <•!' *" 



(•iiTTiii.i:. 



In tliis genus the duisal and anal lays in dirt'erent spci-ies are as follows: 



^Jirrlis. 



I'lii'ilii .sli)))r 



Alluiitir itlopi'. 



S]MM-it-S 



Diir.sal. 



as)>( T 



VIII, I\,nr \. 



■jii. 



I '. srlliiscaiil'l \'I I. lis 



, ( '. cent i'<p|iii:ii IIS A' 1 1 1. 17 



j C. ili.itliciiH VIII, !.•) 



C. Iioiiilir.i \ 111 li; 



f. lliai L;iliallls VIII I.-' 



I, 'ilnl. mills \ 111. I'.i 



r. iMhliui-'i VI-\11I, l,j-18. 



IM 



II 

 11 

 II 



(• 



(' 

 (' 

 (• 

 (', 

 IJ (' 

 I.') r. 



\II,II1,I7 



liainli 



. ipi;iialii> \ 1 1 1, Ifi . 



spilMtii- \ 1 1 1, 17 . 



|Mi||iraris 



viscoslls 



:;riMllis VIII. l(i. 



•jdiioiilis VII, 17 .. 



l.i.lcoidrs VIII. 17. 



Iraiikliiii ...: VIII, 17. 



VII, lit 

 VI 18. 



Anal. 



12V 

 14' 



It 



