^1 



RXri.oKATIONS IN VVKS'IKRN CANADA, ETC. 



127 



»rsiil vav's 



riiys tliaii 

 ;h sptM ii> 

 us. 

 ail spi'cicv 



H, Lit rill id. 

 a all liiiv< 



llUlllluM' Hi 



;ot tliis \vi 

 the usual 

 11(1. 



I anal r.i,v> 

 rays. 

 I any otiic; 



I the stroll; 



Dusoni hav 



JO over 111 

 An'hoplih 



orsal si)iiii 

 jlope spciii 

 'aeitie slii]" 

 ;her by -. 

 chapter til, 

 •s of both til 

 »(lilie<l ill I'li 

 ^ or spine> r 



EXTENT OF VARIATION BETWEEN THE PACIFIC SLOPE SPECIES OF THE 

 DIFFERENT FAMILIES AS COMPARED WITH THE ATLANTIC SLOPE SPECIES 

 OF THE SAME FAMILIES. 



ITtili/iii;; the (lata <'(»iiriiim'(l in tiif (letail('(l lists in the jiiXM^cdiii",' chapter, we 

 obtain the toll()\vin<;: 



t'ilMlll.t*!^ IlltN'ill^ lidlh A tl.'ltit lr iilii) Pitt irir Sinlir spiM'JeM. 



^VcilM'Ilseriilif : 



llit'licst liiiinliir 111 r.ivs 

 Lowest iiiiiiibiT i>r r ivs . 



I'ai'itll' h||I|II'. AtlllMllI- rtlMpi'. 



Dnrxal. I Anil. IiniMiil. Aim!. 



llxliiif (if viiriiitiiiii. 



I illonlnliiiiiM- . 



Iliulirst iiiiinlx'r III' r.i.v^ . 



I.UWI'Hl llllllllllT of rit\M.. 



I'Ali'iit 111' \ aii.'iliiiii 



('yiiiiniil;! 



lli^iirst niiiiilti-r lit' rjivM . 

 I.owi-st iiiiinliiT III' riiN'^t.. 



Kxtiiit 111' viii iatiiiii . 



SaliiiiiiMilj' : 



lli;;lir^t iiiinilicr iil iii;. s 

 Liiwi'si iinni)ii-r 111' nivs. 



r.xtriit iif > arialiiiii. 



''viiiiiiiHliiutiil.r : 



lli;;li<sl imiiiliiT nl' iii\ s 

 I i>wt at uiinilii'i' III r.iVM. 



Kxti'iit I't' vnriatiiiii. 



*For iili\ inns icasons siilil'aiiiilii's ut' ('•itont'iiiii'ln- licit t'imiiil in I'aiilir wains ;in' nut taki n iiilo I'linsiili-rat inn. 

 f Or it" 'Ac li-a\'i- out of riiiisiili'iMI iir.i Tln/.ihilhiv wi' .iltt.iiii ilnrsal ]'■',: anal II. 



In the toilowing .spiuy-rayed tislu-s the ('(Miiliination of hif;h('st niiiiilicr (if spines 

 and rays need not occur in the same species: 



Families liaving Imtli Atiaiilii' ami I'm itir Slii|ic sperifs. 



Pacitir slope. .\il.'iiitir hIoju'. I 



Iloi-sal. Anal. linrsal. Anal. 



GaHteriisifidan: 



]'Vj,'OStl'll.S— i ' 



llij.'hest iiiiiiilii-r of -.pint's anil lavs X, 1, 10 r.lO'IX.I. 0' I. 8 



(iastiTostcns — 



liiu'hist nuinlirr 111 spiin's ami raws. 

 I.owfsl uiiinliiT III spiin-s ami rays . 



IV, III 1.1(1 III. i:i 



111.10 I. 7 III. 11 



I. 10 

 I. H 



I'.xti-nt lit \ariat ion. 



I. :! 



Emalia IV.I. 10 i 1,10 



A pi Itfs liiiai Uisli wattv ol Atlaiitir ciiiist) IV. U i I. 8 



Total t'xtint of variation in < lasttiostticia' VIII, .') 



:i V'l, 4 



Ceiitiaii liiil.i' loiilv a siu;;li- speiimcii t'uiiml on ratitiv slnpc). 

 Cuttiila': 



Hitlliest niiinliiT of sjiinis ami rays X, 'Jn 



' J I.tiwfsl niiinbcr of spims ami niyH \I!. 15 



VIII, 18 

 VI, 15 



14 



il 



Extent of vuriatiou. 



Ill, r. 



II, 3 



