MONOGRAPH OF JAPANESE OPHILiROIDEA. 



73 



than those of the outer parts. The lateral sides of the arms are 

 entirely covered with fine granules, as shown in Dödeelein's fig. 

 la, PI. VII. In the arm coverings, these two specimens are 

 therefore quite similar to Dödeelein's ''japonicus var." The disk 

 is rather sparsely and uniformly granulated. The internal structure 

 is of the second type in aU the four specimens. 



Govgonoceplialus dolicJiodactyliis Döderlein. 



Gorgonoceplialiis dolicJiodactylus : Döderlein, Abb. Math.-Pliys. Kl. K. 

 Bayer. Akad. Wiss., Suppl.-Bd. I, 1911, p. 34, PL I, figs. 4 & 5, PL VII, 

 figs. 3-4&. 



Two specimens ; 

 off" Misaki, Sagami 

 Sea. 



Sagami Sea ; 150- 

 200 m. (Döderlein). 



One of these 

 specimens is very ab- 

 normal, all the pairs 

 of the radial shields 

 being fused into one 

 almost along the entire 

 adradial border, though 

 remaining separate to- 

 wards the centre, so 

 that there is here a 



Fig. 20. Gorgonocephalus dolichodadylus. 

 bifurcation. above. &. From beloAv. 



xli. a. From 



Asfrodendruni sagaminiini (Döderlein). 



Gorgonocephalus sagaminus : Döderlein, ZooL Anz., XXV, 1902, p. 

 321 ; Clark, Bull. U. S. Nat. Mus., LXXV, 1911, p. 292. 



