STARFISHES OF THE PHILIPPINE SEAS. 85 



paxillae; in lacking a special spine on the distal siiperomarginals; in 

 having very sharp, flattened inferomarginal spinelets, and proximally 

 several spinules along the aboral edge of the inferomarginal plates 

 ventral to the lateral spines; in having the median furrow spine con- 

 spicuously flattened, not cylindrical; in having proximally adam- 

 bulacral pedicellariae. Disk small, rays long and slender. R=108 

 mm., r=10 mm., R=10.8 r ; breadth of ray at base, 11 mm. A smaller 

 specimen, however, measures as follows: R=4:8 mm., r=:6 mm., 

 R=8 r. 



Descnption. — Paxillar area very narrow on rays, as is griegi. 

 Paxillae fairly compact, with a rather stout pedicel surmounted by 

 a tuft of delicate, cylindrical, blunt spinelets slightly longer to 

 slightly shorter than the pedicel. Commonly there is a central 

 spinelet surrounded by 8 to 12 on the periphery of pedicel; far 

 along the ray the paxillae become lower, and the spinelets are fewer. 

 There are a few pedicellariae with about 4 upright spiniform jaws, 

 shorter than the paxillae, scattered over disk and proximal portion 

 of ray. 



Superomarginals forming a conspicuous arched bevel to abactinal 

 area, dorsal in position, proximally wider than long, distally longer 

 than wide, covered with small, spaced, bluntly pointed spinelets 

 usually a little larger, more squamiform, and appressed on center 

 of plate. In griegi these spinelets are extremely short in the median 

 region, becoming longer toward the transverse margins; in tenellus 

 they are the reverse. The plates bear a tapering, slightly flattened, 

 sharp spine about as long as the plate on the upper (or inner) end 

 and aboral margin. Rarely there are 2 spines. This spine is lacking 

 from the terminal fourth or fifth of the ray. In griegi the spine 

 seems to continue to the end of the ray. 



Inf eromarginals covered with coai'se, lanceolate, mucronate, squami- 

 form appressed spinelets. or in small specimens with slenderer, more 

 terete, and pointed ones. They bear 3 or 4 conspicuous, slender, 

 flattened, sharp, lateral spines placed as in griegi at the upper end 

 of plate along the aboral edge ; and continuing this series to the inner 

 end of plate are, on the proximal plates, 3 to 5 shorter, slenderer, 

 spinules evidently enlarged from the spinelets covering the plate. 

 Distally these spinules are scarcelj'^ more than slightly enlarged 

 spinelets, and are fcAv in number and of irregular occurrence. 



Adambulacral plates well spaced and rather short. Furrow spines 

 3, rather long, the median slightly the longest, flattened, saber-shaped 

 and pointed, the other two more cylindrical, slenderer, tapering, and 

 pointed. Subambulacral spines: Back of the furrow series, a 

 slightly oblique longitudinal series of 3, the aboral the largest, and 

 usually longer than the median furrow spine; the others are decreas- 

 ingly shorter. Back of these there are 3 to 5 shorter, slender spinules 

 13434— Bull. 100—19 7 



