230 BULLETIN OF THE 



Astroschema laeve. Sixteen stations. 56-262 fathoms. 

 Astroschema oligactes. Seventeen stations. 

 Astroschema tenue. Four stations. 88-124 fathoms. 

 Ophiocreas lumbricus. Seven stations. Down to 580 fathoms. 

 Ophiocreas oedipus. Down to 580 fatlioms. 

 Astronyx Loveni (young). Down to 980 fathoms. 



Ophiura Elaps ? Ltm. 



These fine specimens, of which the Lxrgest had a disk of 28 mm. and arms 

 of about 200 mm., only differed from Liitken's description (Addit. ad Hist. 

 Oph., Pt. II. p. 93) in having six or seven, instead of seven or eight arm- 

 spines, of which the upper ones were longest. 



Station (Bartlett) 29, 21° 23' 19" N., 82° 54' 42" W., 300 fathoms. Station 

 157, Montserrat, 120 fathoms. Station 241, Grenadines, 163 fathoms. 



Ophiura brevispina Lyji. 



Station 142, Flannegan Passage, 27 fathoms. Station 152, St. Kitts, 122 

 fathoms. Station 285, Barbados, 13-40 fathoms. 



Ophiura cinerea Ltm. 



Station 132, Santa Cruz, 115 fathoms. Station 276, Barbados, 94 fathoms. 

 Station 278, Barbados, 69 fathoms. 



Pectinura tessellata sp. nov. 



Plate III. Figs. 1-3. 



Special Marks. — One tentacle-scale : four or five short arm-spines. Under 

 arm-plates narrow and rounded. Granulation of disk continuous above, but 

 with naked patches below. 



Description of an Individual (Station 130). — Diameter of disk 17.5 mm. 

 Length of arm about 95 mm. Width of arm close to disk 4 mm. Sixteen 

 stout mouth-papilhe to each angle, whereof the one next the outermost is much 

 the widest and stoutest, while those within grow gradually narroMer and more 

 peg-like. Four flat, stout, short teeth, the lowest one of which is sometimes 

 cleft. Month-shields wide heart-shape with a rounded point within. The 

 supplementary shield lies just outside and forms one of a number of tlrick 

 naked plates which partly cover the lower interbrachial space. Side mouth- 

 shields three-cornered and very small, lying next the outer corners of the 

 mouth-shields. Under arm-plates occupying less than half the width of the 

 arm ; as long as broad ; bounded without by a curve, within by a truncated 



