A3TEK0IDEA. 
Ech. 85 
P. pellucidus, Andaman Sea, 112 fms., Alcock, Ann. Nat. Hist. (6) xi, 
p. 100, n. sp. 
Paragonaster sp., 13. of Bengal ; op. tit. p. 98. 
P. tenuiradiis , B. of Bengal, 1748 fms., op. tit . p. 97, n. sp. 
Pararchaster semisquamatus , Sladen ; op. tit. p. 75. 
P. hudlestonii, B. of Bengal, 1520 fms., p. 76, P. violaceus , Laccadive 
Sea, 1200 fms., p. 77, op. tit., n. spp. 
Pedicellaster scaber , Smith, distribution ; Studer (256) p. 164. 
P. atratus , Andaman Sea, 240 fms., and B. of Bengal, 290 fms., Alcock, 
Ann. Nat. Hist. (6) xi, p. 114, n. sp. 
Pentaceros clavatus , M. & T., synonymy ; Bell (18) p. 27. P. dorsatus , 
Perr. ; Studer (256) p. 22. P. hiidcus , Gray ; Studer (256) p. 248. 
P. muricatus, Gray ; Meissner (179) p. 187. P. orientalis , M. & T. ; 
Studer (256) p. 256. P. turritus, Li nek, variation in colour, and 
rays ; Studer (256) p. 254 : variations in surface characters not 
sexual ; Loriol (154) p. 380. 
Pcntaceropsis obtusatus, M. & T., with four arms, variations in spines ; 
Loriol (154) p. 381. 
Pentagon aster , Schultze ; Bell (16) p. 73. P. arcuatus , Sladen ; Alcock 
( 6) p. 89. P. bellii, Stud.; Studer (256) p. 285 ; see also Odontaster. 
P. dilatatus , see Odontaster. P. granularis , Retz.; Bell (16) p. 73. 
P. greeni , Bell. ; Bell (16) p. 74. P. intermedius, Perrier ; Alcock 
( 6) p. 90. tP. megaloplax , Slad., description continued ; Sladen 
( 248) p. 29. P. meridionalis, Smith ; Studer (256) p. 144. P. pax- 
illosus , Bell non Gray, syn. of Odontaster grayi, q.v. P. spinuhsus , 
Gray; Studer (256) p. 216. P. squamidosus , Stud.; Studer (256) 
p. 184. P. tuber cidatus, Gray, colour ; Studer (256) p. 55. 
P. hystricis , N. of Benghazi, 680 m., N. of Candia, 943 m., S. of Cerigo, 
620 m., Marenzeller, SB. Ak. Wien, cii, Abth. i, p. 67: also in 
Steindachner (254) p. 445 ; P. investigatoris, B. of Bengal, off 
Kistna Delta, 678 fms., p. 88, P. pulvmus, Laccadive Sea, off Mimni 
Koy, 1200 fms., p. 90, Alcock, Ann. Nat. Hist. (6) xi : n. spp. 
Persephonaster , redefined, with P. ccelochiles , Andaman Sea, 230 fms., 
Alcock, Ann. Nat. Hist. (6) xi, p. 84, n. sp. 
P. croceus , Alcock & W.-M., redescribed ; Alcock (6) p. 82. P. rhodo- 
peplus , Alcock & W.-M., redescribed ; op. cit. p. 83. 
f Plumaster ophiuroides, Wright; Fox-Strangways (87) II, p. 34, 
Woodward (276) p. 370. 
Plutonaster, Slad., and P. bifrons , W. Thoms ; Bell (16) p. 62, Stein- 
dachner (254) p. 445. P.pareli , Dub. & Kor.; Bell (16) p. 63. 
Pontaster , Slad. ; Bell (16) p. 60. P. hispidus , Alcock & W.-M.; 
Alcock (6) p. 79. P. inimicus , Sladen ; Alcock (6) p. 78. P. 
tenuispinis , Dub. & Kor sp., redescribed and held to include P. 
hebitus , P. Ivnbatus, and var. platynota of Sladen ; Bell (15) & (16) 
p. 60. 
P. cribellum , Laccadive Sea, 1200 fms., p. 78, P. pilosus, G. of Manaar, 
597 fms., p. 79, Alcock, Ann. Nat. Hist. (6) xi, n. spp. 
