OIDE \ "I NOBTB I'M II tl HER ] 73 



v.tv large w ith tnm. 



picnl /' and Ion 



solitary, terminally swollen, subconic 

 uniformly Bpaced over the abactinal 

 rectioulate pattern, nor in acervato hi 

 ban skin. I>lu«' in life, Fringed b\ nun • il nml fui 



bammer-ahaped, large pediceUariae abundant U 



about 304 nun., r 73 nun . K 11 r. A charai mple from Mon- 



. measures IC 123 mm., r 30 mm., R mm 



rather high; yUndrical in section, slightly i' 



of Blight inflation al b 



Dtacri'ptiw The abactinal spini with swollen 



■ >r furrowed, subcorneal or acorn-shaped ends PI 

 Each Btands on a prominence of it ~= plate, in the middle of a Bubcircular disk of I 

 integumenl (blue in life) which is fringed with .'i usually thick cordon of and 



furcate pediceUariae. This blue sheath can rise nearly to the end of the -p 

 which are white, or can be retracted i" their l>:; • spines do nol typically form 



either transverse or longiseries bul stand irregularly. In soi samples the carina] 



n be traced with ease One can count across the ray at base 10 to ' 

 in a upward of 25 in big specimens Small examples arc found, 



however, with only about five irregular longiseries and the • rily mistaken for 



capii 



Then- arc really two extremes of formae with even more numerous int. 

 Has heavier, more widely spaced, less numerous abactinal Bpinee PI, 87, fig 

 The spines are usually more obtuse or subglobose terminally and it is this type 

 which sometimes predominates in capitatus, at the south. The other, or typical 

 form pl.t i . pi. B5, fig . has numerous slenderer Bpines with mi rate, 



BwoUem tips, acorn-shape, subglobose, obtuse, conical or even Bubcylindrical. Theii 



-.' longitudinal furrows give them the appearance of tiny drills, and th< 

 widely in form even in the same ray. 



The Bpaces between the collars of pediceUariae are tilled with thi of deli- 



papulae which, whin expanded, arise from swellings of thin integumenl above 

 the skeletal interval-. On the actina] surface the papulae are long and till tl ■ 

 between the The bases of the papulae are armed with rery tiny lanceolate 



straight pediceUariae. (PI. 77, fig 



Superomarginal seriee situated low on side of ray. often irregular proximaUy. 

 The spines, one to a plate, arc \,w simUar to the superadj sctinals. h 



•.mil channel well-marked. 



[nferomarginal spun- two to a plat* Jly three in 



rlavate, longitudinaUy striate, the tip sometimes obliquely beveled, or near the I 

 of ray. irregularly eroded, sulcate, or pit ted Most of the spines, as well as the sinuiar 

 actinals, may have a sulcus on the external side, but th 



PI. 77. ' 



V • nml spinet normally one to a plate, unular to the inferomarginals, but tl 



of the adja. cut r<iw often a little thicker and longer; those of the innermost -ier- 



