RECENT OPHIURANS. 311 



1137. A. LACAZEI (Lyman). 



Ophioglypha lacazei Lyman, 1878. Bull. M. C. Z., 5, p. 87, pi. 3, f. 58-60. 

 Amphiophiura lacazei Matsdsioto, 1915. Proc. Acad. nat. sci. Phil., 67, p. 77. 



1 coTYPE. Antarctic Ocean: south of Australia, 2600 fms. 



1138. A. LIENOSA (LYMAiV). 



Ophioglypha lienosa Lyman, 1878. BuU. M. C. Z., 5, p. 88, pi. 3, f. 80-82. 



1 COTYPE. Antarctic Ocean: southwest of Australia, 1950 fms. 



1139. A. MEGAPOMA (H. L. Clark). 



Ophiura megapoma H. L. Clark, 1911. BuU. 75 U. S. N. M., p. 79, f. 23. 

 Amphiophiura megapoma Matsumoto, 1915. Proc. Acad. nat. sci. Phil., 67, p. 78. 



3 PARATYPES. Sea of Japan, 114-163 fms. 



1140. A. METABULA, sp. nov. (tieraPovXas, variable). Plate 17, f. 1-3. 



Very similar to sculptilis Lyman but differing in a few minor points. The 

 arms are relatively short and stout, 2-3 times the diameter of the disk; in 

 sculptilis they are 3-4 times the disk-diameter and are relatively more slender. 

 The disk scales are fewer, much less imbricated and more pavement-like than in 

 sculptilis; the central plate is seldom conspicuous. The uppermost papiUae 

 of the arm-comb tend to be blunt and flattened, and often are distinctly spatu- 

 late; in sculptilis ' they are slender and pointed. The adoral plates are very 

 narrow and sometimes are even divided by the oral tentacle-pore, which then 

 nearly touches the oral shield; in sculptilis the adoral plates are fairly wide. 



HoLOTYPE (M. C. Z. 745) and 67 paratypes (M. C. Z. 732-744, 746, 747. 

 1009-1013). Off South Carolina, 647 fms. Off Grand Cayman, 608 fms. 

 Northwest of Cuba, 292-955 fms. Cuba: off Havana, 175-250 fms. Off 

 St. Cruz, D. W. I., 451-625 fms. Off St. Kitts, 208 fms. Off Guadeloupe. 

 175-875 fms. Off Dominica, 333-824 fms. Off Martinique, 213 fms. Off 

 St. Lucia, 423 fms. Off St. Vincent, 424-875 fms. Off the Grenadines, 

 338 fms. Off Grenada, 291-576 fms. 



In view of the slight differences mentioned above, it seems desirable to 

 separate the West Indian form called variabilis by Mr. Lyman, from the true 

 variabilis { = sculptilis) of the East Indies. There is general agreement now 

 that sculptilis and variabilis are identical but Verrill has queried whether the 

 so-called variabilis collected by the Blake is not really distinct. I have compared 

 the Blake specimens very carefully with the material at hand from Japan and 

 the East Indies representing sculptilis and have finally decided to give them a 

 separate name. I am increasingly inclined to do this moreover because sculp- 

 tilis is known only from the East Indian region (southern Japan, Amboina, 



