ISTIROIDXA "I NORTH PACIFIC AND ADJACENT WATMBt I m l s l 



1914, p. 81, j l; 



; pi BO, Bf 1 



I 



/»,.. Differing from P. oehraenu in \U rose-pink coloration, \. 



with gray-green or maroon-purple papular area*; dorsolateral spinet nol fon 



taculated pattern (except occasionally in forma bn 

 or in small groups, often few in Dumber; furcate pedi< ellariae of characteristic form, 

 with upper margin of jaw smooth, not crenulate imen of 



forme 6n (pi 90 R 120 mm . r 66 mm ; < 'ii«- < ■ f forma pom 



\ .-mil's /Hi/' I K 115 mm . r 60 mm. This m <■( the (argent -mr- 



fishes known 



/', ,r : .i ■ The most obvious variation in this Bpeciee i- in the abundant 

 abactinal -pun- There is a compl< of intergradee between I 



li i^ convenienl t<> recognize two fori ivalenl to the <>lil species bn 



ninl pavi i .<li of these is divisible into several Bubformae; l>m in vieu of 



the fad thai there are about as many into atativee of the Bubformae 



no service is rendered by recognizing them formally l>y hhmm-. 



The Bpeciee brevitpinm is easily distinguished in life from its congeners bj 

 li^Iu rose-pink a Ltled with tl ■ ;reen <>r maroon papular areas. This 



r i- rather Btriking and do variation of ockraeeua or giga pproachee if 



Moreover, the pink color varying in intensity and shade is relatively constant 

 compared to the «i'!i range in ochraceru from yellow ochre to purpli 



Korm. BUUtVISFINUS Mlmp«»«) 



: i, I . .■■ 



To tliis forma belong those individuals having d< era] spines typically in 



small groups or clustt rs, which arc Bpaced w ithoul regular ordei thr carinals 



and tin' Buperomarginals. There i- great variation in the Dumber of bj 



ip n" well ti" in the numb ups In extremes Buch as I' 



mi. I 2, there are 3 or I in capitate Bpu i 



in short trai • 



■illy <>ii the outer pari of tin arinal b] 



crowded in trans oups on the plat. to form «li«l 



band The primary apical plates of the disk are similarly heavily armed, tl 

 forming « rude star. Tl forms of bn n at 



';n, I. Wash Crescent nd Mont- dif 



The lees pronounced pha i ■ n on P 



parable to Stimp II, pi. 41 Bay. In tl 



the dorsolateral fiv< Th< j nro 



derer and the end is frequently Bub< onii al « itli a Bubacute or rounded tip 

 carina] Bpines are om a plate li pecimens there is but 



I carina! in others, ool materially different as to dorsolateral 



armaturi proximi on nearly all. 



