350 



AKT. 2. — H. MATSUMOTO 



cription, if we make what I consider to be necessary corrections 

 in his expressions : the three rows of teeth mentioned by him are in 

 reahty dental papillae ; and above them, deep within the mouth, there 

 is a row of about four teeth, which are hardly visible without dissec- 

 tion. In larger specimens, the uppermost stout arm spine is often 

 bifurcated at the free end. The colour is black as in Pfeffer' s type. 



OpJiioniastix annulosa (Lamarck). 



Ophiura annvlosa : Lamaeck, Hist. Nat. Anim. sans Vert., IT, 1816, 



p. 543. 



Opiiiomasiix an- 

 nulosa : Müller & 

 Troschel, Sys. Ast., 

 1842, p. 107; LÜT- 

 KEN, Add. Hist. Opli., 

 ni, 1869, p. 44; 

 Lyjian, in. Cat. Mus. 

 Comp. Zool., VI , 

 1869, p. 15 ; Lyman, 

 Rep. Challenger, V, 

 1882, p. 175; Stüder, 

 Abh. K. Preuss. Akad. 

 Wiss. Berlin, 1882, 

 p. 21 ; Brock, Zeit- 

 schr. wiss. Zool., 

 XLVII, 1888,p.497; 



DÖDERLEIN, Zool. 



Jahrb. Sys., HI, 

 1888, p. 832 ; LoRiOL, 

 Eev. Suisse Zool., I, 

 1893, p. 413; Kceh- 



Fig. 99. Ophiomastix annulosa. x3. a. From above, h. From 

 below, c. Side view of four arm joints near disk. LER, Mem. bOC. ZiOOl. 



