ASTEROIDEA. (iV, D.) 
Echin. 87 
Lophaster furdfer ; Knipovitsch (171): Whiteaves (320) p. 52. 
Luidia alternata ; Clark (66) p. 236. L. ciliaris ; Todd (302) p. 364: 
eye; Pfeffer (242): autotomy; Riggenbach (261): Bipinnariw, 
Mortensen (214) p. 10 & fig. L. clathrata ; Clark (66) p. 237: 
colour, ? varies with loc.; Clark (64) p. 339. L. sa?'si, Bipinnaria ; 
Mortensen (214) pp. 10,11 & fig. L. senegalensis ; Clark (66) p. 237. 
t Nymphaster latum Jukes-Browne & Scanes (167) p. 119. 
Odinia americana ; Whiteaves (320) p. 57. 
Ophidiaster guildingii ; Clark (66) p. 237. 
t Oreaster: — O. bulbiformis (pp. 63, 72), O. pistilliferus (p. 72); Rowe (265). 
Palmipes membranaceus , eye ; Pfeffer (242). P. placenta ; Todd (302) 
p. 364. 
Pedicellaster typicus ; Whiteaves (320) p. 53. 
Pentaceros reticulatus , see ii, b, ii, a; d, 1; Clark (66) p. 237. 
f Pentagonaster quinquelobus ; Cornet (73) p. 253. 
Pontcister hebitus ; Whiteaves (320) p. 48. 
Porania pulvillus ; Todd (302) p. 364. 
Pseudar chaster intermedins var. insignis ; Whiteaves (320) p. 48. 
Psilaster florae ; Whiteaves (320) p. 49. 
Pteraster militaris ; Knipovitsch (171): Rankin (252) p. 176: Whiteaves 
( 320) p. 52: eye ; Pfeffer (242). P. multispinus n. sp., Puget 
Sound \; Clark (63) p. 326, pi. iii. P. obscurus , v. Hexaster. P. 
pulvillus ; Whiteaves (320) p. 52. 
Pycnopodia helianthoides , large specimen, Port Townsend ; Clark (63) 
p. 329. 
Retaster sp.; Ostergren (231): photograph; Kolthoff (174) p. 118. 
R. gracilis n. sp., Puget Sound, close to Pteraster ; Clark (63) 
p. 326, pi. iii. 
Rhegaster tumidus : Ostergren (231): var. tuberculatus ; Knipovitsch 
(171). 
Solaster earlii; Whiteaves (320) p. 51. S. endeca ; Knipovitsch (171): 
Newbigin (221) p. 129: Rankin (252) p. 175: Todd (302) p. 364: 
Whiteaves (320) p. 51: colour; MTntosh (197) p. 226: var. decem- 
radiata, variation in number of rays; Clark (63) p. 325: var. 
syrtensis ; Ostergren (231) et v. infra. S. (vel Crossaster) papposus ; 
Gadeau de Kerville (124) p. 37: Knipovitsch (171): Rankin (252) 
p. 174: Todd (302) p. 364: Whiteaves (320) p. 52: popular account 
and fig.; Newbigin (221) p. 128: colour; MTntosh (197) p. 225: 
absorbent and lacunar systems; Cuenot (78): eye; Pfeffer (242): 
all 10-rayed, variations from norm, this with S. aflinis and var. 
septentrionalis are “ local varieties of an extremely variable species ”; 
Rankin (252) p. 174: var. septentrionalis; Knipovitsch (171). S. 
syrtensis ; Whiteaves (320) p. 51: vide etiam sub S. endeca. 
iSphaerites scutatus ; Lebedev (185) p. 111. 
Stichaster albulus ; Knipovitsch (171): Rankin (252) p. 173: Whiteaves 
(320) p. 54. S. roseus ; Todd (302) p. 364. 
Tosia eximia , T. granularis , circumpolar; Whiteaves (320) p. 49. 
Tremaster mirabilis ; Whiteaves (320) p. 50. 
Tylaster willei ; Ostergren (231): photographs ; Kolthoff (174) p. 96. 
Ur aster rubens , v. Asterias rubens. 
Zoroaster fulgens ?, cf. also Z. ackleyi , Sladen’s figures criticised ; Clark 
(66) p. 237. 
