MUSEUM OF COMPARATIVE ZOOLOGY. 247 



nique, 170 fathoms. Station 210, Martinique, 191 fathoms. Station 220, St. 

 Lucia, 116 fathoms. Station 224, St. Vincent, 114 fathoms. Station 231, 

 St. Vincent, 95 fathoms. Station 233, St. Vincent, 174 fathoms. Station 

 253, Grenada, 92 fathoms. Station 254, Grenada, 164 fathoms. Station 

 262, Grenada, 92 fathoms. Station 269, St. Vincent, 124 fathoms. Station 

 272, Barbados, 76 fathoms. Station 273, Barbados, 103 fathoms. Station 

 274, Barbados, 209 fathoms. Station 276, Barbados, 94 fathoms. Station 277, 

 Barbados, 106 fathoms. Station 278, Barbados, 69 fathoms. Station 281, 

 Barbados, 288 fathoms. Station 290, Barbados, 73 fathoms. Station 291, Bar- 

 bados, 200 fathoms. Station 292, Barbados, 56 fathoms. Station 293, Barba- 

 dos, 82 fathoms. Station 296, Barbados, 84 fathoms. Station 297, Barbados, 

 123 fathoms. Station 299, Barbados, 140 fathoms. Station 300, Barbados, 

 82 fathoms. Bartlett, Station 29, 21° 23' 19" N., 82° 64' 42^' W., 300 fath- 

 oms. Entrance to Port Eoyal, Jamaica, 100 fathoms. 



Ophiomusium serratum Ltm. 



Station 136, Frederickstadt, 508 fathoms. Station 140, Virgen Gorda, 1097 

 fathoms. Station 205, Martinique, 334 fathoms. Station 211, Martinique, 

 357 fathoms. Station 214, Martinique, 476 fathoms. Station 230, St. Vin- 

 cent, 464 fathoms. Station 260, Grenada, 291 fathoms. Station 269, St. 

 Vincent, 124 fathoms. Station 274, Barbados, 209 fathoms. Station 280, 

 Barbados, 221 fathoms. Station 288, Barbados, 399 fathoms. Bartlett, Sta- 

 tion 8, 17° 45' N., 77° 58' 40" W., 322 fathoms. Bartlett, Station 24, 5 m. 

 E. of Cape Cruz, S. side of Cuba, 206 fathoms. . 



Ophiomastus texturatus sp. nov. 



Plate IV. Figs. 49-61. 



Special Marks. — Three minute arm-spines. Disk covered above by a central 

 rosette of eleven plates, from which radiate ten single lines of plates. Radial 

 shiekls large and oblong. 



Description of an Individual. — D,iameter of disk 4.7 mm. Width of arm, 

 near disk, 1.7 mm. A row of four or five small, block-like papillae on each 

 side of a mouth-angle ; they are so closely wedged together as to form an 

 apparently continuous line. Teeth resembling mouth-papillfe in form and size. 

 Mouth-shields small, as broad as long, bounded by a curve without and an 

 angle within ; length to breadth, .7 : .7. Side mouth-shields pointed, oval, 

 large, widely joined within. Under arm-plates small, occupying less than one 

 third the width of the arm, five-sided, with outer edge curved, laterals re- 

 en teringly curved, and an angle within. Side arm-plates very large, meeting 

 above and below, and covering the greater part of the broad arm. Upper arm- 

 plates small, occupying little more than a third of the width of arm, trans- 



