PBROIDB4 "1 NORTH PACIFIC AM> \l'i\ 9 l i.-ip 11 



This usually carries, in addition t" several cro licellariai • two promi- 



nent, nai light pedicellariae with the en I "f the jaw not< tointed. 



pedicellariae (pi. 11,1 i mm. long and have 



rather numerous teeth especially in th ter of the vert k teeth. 



The specimen from station 4810 I pi. 1 1 has smaller pedicellariae length about 



mm.) iiml i- intermediate in this respect with thai iff the Hay of Sendai 



tion 5047 which represents another, closely related, form the pedi- 



cellariae are -nil smaller (about 0.18 or 0.19 □ m with numerous verj small shank 



teeth (pi. 11. fig. 26), but are not nearly so numerous as in i 



light pedicellariae n; to 1 mm. long, -pan' in intermarginal 



channel and between proximal actinal Bpines; two are usually present, near the 

 tures <>f gonoducts, in ea< li actinal interradial area. The jaws may !><■ narrowly 

 spatulate with a few teeth or tapered and without teeth. (PI. 11. fig 2i Small 

 narrowly lanceolate ones are present abundantly along the furrow face of the adam- 

 bulacral plates; a few larger ones on 1 1>«- oral and proximal adambulacral spit 



'1'iij'i . Cat. No. 5164, Museum of the Academy of £ U. R. S. S 



Leningrad. 



Typt loco I Okhotsk Sea, ." ! 36' N.. 11" 34' E . 106 meters, mud, bottom 

 temperature —1.4 C 



Dwfri&ulion.— Okhotsk Sea to Sea of Japan, cold area. 



nei. OkhotskSea 6'N.,140 34' E., 106 meters, mud sta- 



hydrographic expedition, Pacific Ocean, August 11. 1918, from the Academy 

 of Sciences, ('. R. S S., I>r. A. Djakonov, one specimen (topoti • 



■•. off Cape Patience, Saghalien, 48° 42' 10" V. lit 59' 30" I 

 fathom-, sand, pebbles, bottom temperature 30 9 F . one specimen i Albatross, 19 

 In addition to the above, two specimens with R 21 mm., from station 1810, o!F 

 - rakami (Hokkaido entrance to Tsugaru Strait, Japan, 195 fathoms, fine 



id, bottom temperature 14.7 I' not typii 

 Remarks. — The - c< of this form in truly arctic temperatures of the Sea of 



< Okhotsk suggests that it may be a derivative of the high an ; It appears 



to be more closely related to hypi than i- hylodes; both resembli 



■ ntalii lias much heai ier stoles of pedicellariae than hyperborea. Foi 

 of the crossed pedicellariae of hy see Plate 11. Figures I, l«, lb, le. T 



arc relatively broader. The straight pedicellariae of hyperborea have wider, spatulate 

 jaw- with more numerous teeth. (PI. 11. figs. Id, h 



The two specimens from the Sea <>f Japan are not at all typical. The crossed 

 pedicellariae are smaller and the straight pedicellariae are much slenderer, w ith more 

 delicate teeth resembling the Blenderest type of They arc probablj 



amples of a small race, living in the cold water of the Japan Sea, intermedial 

 tween oritntalit and an undescribed race found in the warmer water- otr the 



• of Hondo (station 5047 . Station l^in i- al the southern limit of winter i 

 if Japan. 



