52 Eehin. 
v. E chino derma. 
[1009] 
•j Pentacrinites ; arm structure, Clark 
63 p. 587. 
t Pentacrinus : Engel 104 p. 168, 
Holst & Gronwall 143 pp. 9, 12 & 19, 
Scalia 246. — P. remains, Issuer 150 
p. 9. — P. amoenus to Isocrinus, Bather 
19 p. 30. — P. angulatus , Trautii 292 
pp. 421 & 432.— P. aster iscus, Veatch 
297 p. 57. — P. australis, Basedow 12 
p. 339. — P. basaltiformis , Chofeat 42 
and Meyer 205 p. 358 and Trauth 
292 pp. 425 & 433. — P. bavaricus & 
braunii to Isocrinus, Bather 19 p. 30. — 
P. carinatus , Filliozat 111. — P. den- 
tato-granulatus sp. n. Gault Algermissen, 
Wollemann 310 p. 24 pi. — P. feu- 
(juerollensis, Oppenheimer215 p. 489. — 
P. fuchsii to Isocrinus p. 30, laevigatus 
to Balanocrinus p. 31, Bather 19. — 
P. lanceolatus, Filliozat 111. — P. 
nicoleli , Kranz 166 p. 75. — P. propin- 
quus to Isocrinus, Bather 19 p. 30. — 
P. psilonoti , Schmidt 248 p. 203 and 
Trauth 292 p. 418. — P. spp., Bous- 
well 31 pp. 451 & 455. — P. subcrenatus 
to Balanocrinus, Bather 19 p. 31. — 
P. ? tuberculatus, Troescii 294 p. 122.— 
P. tyrolensis to Isocrinus p. 30, venustus 
p. 22 figs., Bather 19. 
f Per iechocr inus dubius (Troost) nom. 
n. Tennessee Niagaran, Wood 311 
p. 77. — P. sp., Reed & Reynolds 233 
p. 538. — P. ? sp. Tennessee Niagaran, 
Wood 311 p. 79 pi. vi figs. 6 &7 .— P. 
tennesseensis Tennessee Niagaran, 
Wood 311 p. 76 pi. vi f. 10. 
* Perometrinae subfam. n., including 
Peromelra, Erythrometra & Hypalo- 
metra, Clark 61 p. 176. 
Phanogenia niultibrachiata 'Rakipu- 
tan Strait, carpentcri, east of Port Dos 
Amigos Tawi Tawi, minima east of Simo 
Bank p. 392, delicata east of Port Dos 
Amigos p. 393, spp. n., Clark 55. 
f Phialocrinus americanus sp. n. Texas 
Permian, Weller 306 p. 625 pi. i figs. 
8 & 9. 
f Phyllocrinus taramelli sp. n. Neo- 
comien Spiazzi, Tommasi 285 p. 420 pi. 
f Physetocrinus smalleyi sp. n. Mis- 
sissippi Valley Carboniferous, Weller 
305 p. 286 pi. xi ff. 1-3. 
■\Pisocrinus milligani Tennessee Nia- 
garan, Wood 311 p. 23. 
t Ptcitycrinus dodgei sp. n. Louisiana 
limestone, Rowley 241 p. 68 pi. — P. 
huntsvillae Alabama and Illinois Mis- 
sissippi p. 38 pi. v figs. 10-12, inisculp- 
tus (Troost) sp. n. Tennessee Mississipic 
p. 40 pi. iv f. 18, Wood 311. — P. nux, 
Basedow 12 p. 329. — P. saffordi Ten- 
nessee Mississipic, Wood 311 p. 39 pi. 
xv f. 10. — P. sp., Maitland 201 p. 53. — 
P. springeri pi. xi ff. 17-19, stellatu s- 
spp. n. Mississippi Valley Carboniferous 
ff. 13-14, Weller 305 p. 281. 
Pcecilometra ; list of spp., Clark 47 
p. 18. 
Pontiometra ; list of spp., Clark 47 
p. 5. — P. insperatus sp. n. off Jolo, 
Clark 55 p. 397. 
Pontiometridae fam. n., Clark 61 
p. 175. 
•f Poteriocrinus crassus, Basedow 12 
p. 329 and Maitland 201 p. 53. — P. 
jeffriesi sp. n. Louisiana limestone, 
Rowley 241 p. 69 pi. — P. smithi, 
Basedow 12 p. 329. — P. sp. Aachener 
Oberkaibon, Semper 260 p. 272. — P. 
sp. Mississippi Valley Carboniferous, 
Weller 305 p. 279 pi. xi f. 24. 
t Proguettardicrinus ? gen. n. of Apio- 
crinidae type Forbes iocrinus greeni, 
Steinmann 270 p. 153 fig. 
Promachocrinus ; taxonomy torsion 
of calyx, Clark 53 p. 363. 
Psatliyromctra gracillima sp. n. 19° 
35' N. lat. & 92° 24 7 E. long., Clark 57 
p. 149. — P. mini sp. n. 11° 31' 40" N. 
lat. & 92 G 46' 40" E. long., Clark 59 
pp. 648-649. 
Pterometra gen. n. type Ptilometra 
trichopoda A. II. Clark 1908, Clark 61 
p. 177. 
■ \Pterolocrinus acutus Tennessee Mis- 
sissippi, Wood 311 p. 43. 
Ptilometra dorcadis sp. n. western 
Australia p. 39, mulleri provisional 
nom. n. p. 41, Clark 52. — P. pulcher- 
r-ima sp. n. Raldputan Strait, Clark 55 
p. 400. — P. splcndida sp. n. between 
Tablas and Romblon Philippines. Clark 
54 p. 33. 
^Reteocrinus onealli, Rowley in 
Greene 125 p. 29 p . 
Rhizocrinus ; history of the genus 
p. 673, conifer off Ceara p. 674, brevis off 
Colon, sabae off Saba, robuslus off 
Pensacola, p. 675, spp. n.. Clark 60. 
f Rhizocrinus, Holst & Gronwall 
143 p. 9. 
