17 Echin. 
Systematic — Crinoidea. 
1031 
Linckia, Harvey 74. 
fil lesopaleaster, Schuohert 146. 
M (master, Fisher 54. 
Mimastrella gen.n. Genotype i master 
cognatus Sladen, Fisher Washington 
Proc. Biol Soc. 29 p. 6. 
Narcissia gracilis sp. n. Lower Cali- 
fornia, Clark Washington Proc. Biol. 
Soc. 29 p. 58. 
Odinia penichra sp. n. Philippines, 
Fisher Washington Proc. Biol. Soc. 29 
p. 31. 
f Palaeosolaster, Ruedemann 143. 
Porania pulvillus, CnADWiCK 15. 
f Promopaleaster, Ruedemann 143. 
■\Protopaleaster narrawayi, Hudson 
82. 
Pteraster corynetes sp. n. Molucca 
Passage, P. obesus myonotus subsp. n. 
Off Philippines, Fisher Washignton 
Proc. Biol. Soc. 29 p. 28 ; P. pulvillus, 
Deriugin 39. 
| Ptilonaster, Ruedemann 143. 
Radiaster, Fisher 54. 
Radiasteridae nom. n. (for Mimas - 
teridae) Verrill, Fisher Washington 
Proc. Biol. Soc. 29 p. 4. 
Seraster gen. n. Genotype S. insignis 
sp. n. Lower California, Clark Washing- 
ton Proc. Biol. Soc. 29 p. 54. 
Sideriaster canaliculata sp. n. Gulf of 
California, Clark Washington Proc. 
Biol. Soc. 29 p. 52. 
i Solaster endeca & syrlensis, Deriugin 
39 ; S. e., Gemmill 64 & 65 ; S. pap- 
posus, Milligan 118, 122 & 123 ; S., 
Fisher 54. 
Stegnobrisinga sub gen. n. Type 
Brisinga (S.) placoderma sp. n. Celebes, 
Fisher Washington Proc. Biol. Soc. 
29 p. 34. 
IfStenaster, Ruedemann 143. 
Stichaster albulus, Deriugin 39 ; 8. 
roseus, Gemmill 64 & 65. 
f U raster ella, with U. medusa sp. n. 
Ordovioian U.S.A., Hudson Bull. N.Y. 
State Mus. Bull. 187 p. 121; V. 
ruthveni, Forbes mut. n. arisaigensis 
Silurian Nova Scotia ; U lutheri, 
Stella, schucherti spp. n. ; TJ. sp. n. 
Devon U.S.A.; Ruedemann N.Y. State 
Mus. Bull. 189 pp. 46-51 pis. xi figs. 3-6; 
xii figs. 1-5 ; xiii figs. 1-8 & xiv figs. 
1-4. 
Zoroaster ophiact is Celebes ; Z. micro- 
porus Off Bouro Isd. ; Z. carinatus 
philippinensis Borneo spp. & subsp. n., 
Fisher Washington Proc. Biol. Soc. 29 
pp. 29-30. 
E. Ophiuroidea. 
Astrodendrum galapagensis sp. n. 
Galapagos Isds., Clark Ann. Mag. 
Nat. Hist. 18 p. 117. 
Gorgonocephalus eucnemis and agassizi, 
Deriugin 39 ; G. e., Fedotov 52. 
Ophiacantha cyrena, similis spp. n. 
Galapagos Isds., Clark Ann. Mag. 
Nat. Hist. 18 pp. 117-119. 
Ophiolebes mortenseni sp. n. Gala- 
pagos Isds., Clark Ann. Mag. Nat. 
Hist. 18 p. 119. 
Ophiomitra matsamotoi sp. n. S. 
Japan, Clark Washington Proc. Biol. 
Soc. 29 pp. 225-226. 
Ophioncreis schayeri, Kirk 87. 
Ophiopholis aculeata, Deriugin 39. 
Ophiophyllum marginatum sp. n. 
Galapagos Isds., Clark Ann. Mag. 
Nat. Hist. 18 pp. 120-122. 
Ophiotherix fragilis, Milligan 114. 
Ophiura brevispina. Grave 68. 
Ophiuroidea, Schmalz 144. 
F. Crinoidea. 
■f Atactorinus gen. n. A. wilming- 
tonensis sp. n. Silurian [?] U.S.A., 
Weller Chicago Contrib. Walker Mus. 
1 pp. 239-241 pi. xv figs. 1-10. 
f Balanocrinus pentagonalis, Riabinin 
142 ; B., Steinmann 151. 
f Gamy ella gen. n., Foerste Bull. 
Sci. Lab. Denison Univ. 18 p. 340. 
Gomanthus ( Cenolia ) trichoptera, 
Clark 26. 
Gomatula parvicirra, Potts 138. 
Crinoidea, Clark 26, 27, & 28 ; C., 
Fraubnp elder 60; G., Hartmtoykr 
72 ; G., Wilson 164. 
f Crinoidea, Asselbergs 3 & 4 ; C., 
Cantrill, Dixon, Thomas & Jones 
14 ; G., Martin 109 ; G., Wanner 
157. 
