46 Ech. 
XIV. ECH1N0DEHMA. 
p. 252. P. armatus , Sladen, syn. of Benthopecten spinosus ; Terrill 
( 125) p. 245. P. folini , redescribed and figured, abnormality in 
pedicellariae, internal skeleton described ; Perkier (92) p. 256. P. 
huddlestonii , figured ; Alcock (2). P. semisquamatus , var. occident- 
alism Sladen, syn. of Benthopecten spinosus ; Terrill (125) p. 245. 
P. simplex, redescribed from Martinique ; Perrier (92) p. 254. P. 
violaceus , figured; Alcock (2). 
P.fischeri , Pilones, 1056-1435 metres ; Perrier (92) p. 263, n. sp. 
Patiria briaveus, Macclesfield Bank, 30-46 fms., regeneration of arms ; 
Bell (7) P. Zool. Soc. London, 1894, p. 404, n. sp. 
Paxillosa , diagnosed, key to families ; Perrier (92) p. 192. 
Pectinaster, diagnosed, distribution of species (p. 278), P. filholi , rede- 
scribed and figured, compared with P. furciputus and P. mimicus 
(p. 280), P. insignis , Perrier, pars, referred to Dytaster (p. 302); 
Perrier (92). 
Pedicellaster, diagnosed, distribution of species (p. 99), P. margaritaceus, 
Perrier, is type of n. g. Gastraster (p. 103), P. sexradiatiis , redescribed 
and figured (p. 100); Perrier (92). P.typicus , M. Sars (palceo- 
crystallus , Sladen) ; Peefeer (93) p. 119. 
Pedicellaster idce t discussed, diagnosed, key to genera ; Perrier (92) 
p. 90. 
Pentaceros dorsalus ; Perrier (92) p. 406. P. inuricatus ; Russo (104) 
p. 163. 
Pentagonaster , diagnosed, distribution of species (p. 389), P. alexandri , 
Perrier, type of n. g. Rosaster (p. 387), P. arenatus , Perrier, referred 
to Dorigona (p. 379), P. grandis , Perrier, syn. of P. perrieri (p. 391), 
P. granularis , yar. deplasi , (olim P. deplasi ), redescribed and figured 
(p. 401), P. perrieri , redescribed, individuals of different sizes (p. 391); 
Perrier (92). P. pulvinus, figured ; Alcock (2). P. semilunalus , 
Linck, type of n. g. Phaneraster (p. 388), P. subspinosus , Perrier, re- 
ferred to Dorigona (p. 375), P. ternalis , Perrier, referred to Dorigona 
(p. 371) ; Perrier (92). 
P. eximius , La Have Bank and Nova Scotia, 120 & 80 fms. ; Yerrill 
( 125) P. U. S. Mus. xvii, p. 264. P. gosselini } Canaries to Morocco, 
946-1440 metres ; Perrier (92) p. 399. P. haesitans , C. Ghir, 2210 
metres ; Perrier (92) p. 397. P. hystricis , N. of Benghazi, 680 
metres, N.W. of Candia, 943 metres, and S. of Cerigo, 946 metres ; 
Marenzeller (75) Denk. Ak. Wien, lx (v), p. 4. *j*P. picteii, 
Cenomanian, Le Havre ; Loriol (65) Rev. Suisse Zool. iv, p. 476. 
P. vincentim Canaries and near Mazaghan, 946 & 1105 metres; Per- 
rier (92) p. 396 : n. spp. 
Pentagonaster idee, discussed, diagnosed, key to subfamilies and genera ; 
Perrier (92) p. 333 ; limits discussed ; Terrill (125) p. 266. 
Persephonaster ccelochiles, and P. rhodopeplus, figured ; Alcock (2). 
Petraster , Bill., syn. of Palccaster ; Sturtz (115) p. 41. 
Phaneraster, n. g., with typo P. semilunatus (olim Pentagonaster ) ; Per- 
rier (92) p. 387. 
