27 
b" anterior arms not more tlian 65 mm. long (lUirma to the Andaman 
an d Lesse r Su n da I si and s) uiicr aster 
1^ Cirri present 
b' 16 — 23 (usually about 20) cirrus segments (nort h c r n A us t ra 1 i a t o 
western Java, Singapore, Hong Kong anil the Philippine 
Islands) Solaris 
c' the arms are very stout and flat dorsally, increasing in lateral diameter 
to the twelfth-fourteenth brachials and tapering distally from that point 
onward (n or t he rn A u s t r al ia) var. Solaris 
c'- the arms are slender and well rounded dorsalK-, not increasing appre- 
ciably in diameter from the base (northern Australia to west- 
ern Java, Singapore, Hong Kong and the Philippine Is- 
lands). var. hauiata 
b- fewer than 1 6 cirrus segments 
c^ the cirri are distributed, regularly or irregularly, all around the peri- 
phery of the centrodorsal, without segregation in the interradial angles 
(Baud in Island, Western Australia, and New South Wales 
t o S i n g a p o r e a n d t h c P h i 1 i p p i n c I s 1 a n d s) pectinata ^) 
c" the cirri are segregated in the interradial angles of the centrodorsal, 
where they occur singly or in pairs 
d^ the longest cirrus segments are not much, if at all, longer than 
broad (western and northern Australia t cj the Philip- 
pinelslands) purpurea 
d^ the longest cirrus segments are twice as long as broad (Java Sea) tenuicirra 
1. Comatula (Cotnattila) micr aster A. H. Clark. 
A. H. Clark. Crinoids of the Indian Ocean, 1912, p. 81, fig. 3, pp. 82, 315. 
Stat. 33. Bay of Pidjot, Lombok. Up to 22 Metres, i Ex. 
This is a typical specimen; on the label is written "killed in fresh water." 
2. Comatula (Comatula) ptirpurea (J. Miiller). 
J. MOller. Archiv fur Xaturgesch., 1843, I, p. 132 ( Atecto purpurea). 
A. H. Clark. Proc. Biol. Soc. Washington, vol. 23, 1910, pp. 95 — 98, fig. p. 97. 
Bull, du Mus. d'hist. nat., Paris, 191 1, N" 4. p. 247. 
Recent Crinoids of Australia, 191 1, p. 746. 
Crinoids of the Indian Ocean, 1912, p. 81. 
Smithsonian Miscellaneous Collections, vol. 60, 1912, N" 10, p. 5. 
• Proc. U. S. Nat. Mus., vol. 43, 1912, p. 389. 
Reichensperger. Abhandl. der Senck. naturforsch. Ges., vol. 35, 191 3, part i, p. 86. 
A. H. Clark. Smithsonian Miscellaneous Collections, vol. 61, 19 13, N" 15, p. 9. 
Records of the Western Australian Museum, vol. i, 1914, part 3, p. 120. 
l) Synonyms Comatula cumingti J. Miiller and Aclinomilra affinis Liitken. 
