812 CAPT. F. W. HUTTON ON NEW STARFISHES. [Nov. 5, 



Fam. Asteriad^e. 



ASTERIAS MOLLIS, Sp. 130V. 



Kays five, broad, rounded, tapering, their length between three 

 and four times the width of the disk ; spines single, acute, in longi- 

 tudinal rows on the rays, but irregularly placed on the disk ; about 

 nine rows of spines on a ray, the two lowest on each side placed 

 close to the ambulacra, the outer of the two composed of longer 

 spines ; ambulacral spines shorter, in two rows. 



Diameter about four inches. 



Two specimens in the Colonial Museum, with dredgings, but 

 locality not stated. 



ASTERIAS SCABER, Sp. nOV. 



Rays seven, rounded, tapering, their length from three to four 

 times the width of the disk ; upper surface covered with granular 

 tubercles, which have occasionally a spine in the centre ; six rows 

 of spines on each ray, the two lowest on each side placed close to the 

 ambulacra, the upper on the side of the ray ; occasionally an inter- 

 rupted row of spines along the top of the rays ; ambulacral spines 

 slender, in two rows. 



Diameter about 6 inches. 



Two specimens are in the Colonial Museum, among dredgings, 

 with the last, but no locality stated. 



Fam. Pentacerotid^e. 



Pentaceros rtjgosus, sp. now 



Rays as long as the disk ; centre of disk and a line along each 

 ray raised (dry) ; upper surface covered with flat granular plates, 

 arranged in a row down the centre of each ray, but irregularly on 

 the other portions ; marginal shields #f from ray to ray, covered 

 with minute blunt rough spines. 



About 4 inches in diameter. 



Allied to P. granulosus ; but the rays are more pointed, the dorsal 

 plates are flat-topped, and all the granules are of equal size. 



Two specimens in the Colonial Museum, locality not stated. 



Fam. Asterinidje. 

 Pteraster inflatus, sp. nov. 



Pentagonal, with five radiating ribs, which are ovate and swollen 

 on the inner half, and slightly convex on the outer half ; centre of 

 disk hollowed ; margin thin, sharp ; back tessellated with smooth 

 flat tubercles, getting smaller towards the margin, where they are 

 granulated ; on the rays they are large and irregularly placed, but 

 showing a tendency to arrange themselves along the rays ; lower 

 surface with short simple blunt spines, pointing inwards ; webbed 

 ambulacral spines short, not much longer than the ambulacral spines. 



Colour reddish (dry). Diameter 5-i inches. 



A single specimen is in the Colonial Museum, locality not stated. 



