Ecliin. 123 
CRINOIDEA. (IV, F.) 
P. plano-basalis Rowley & Hare, not accepted (p. 650) ; P. planus, 
redescr., incl. P. bloomfieldensis S. A. Miller (p. 668, pi. lxix) ; 
Wachsmuth & Springer (336). — P. cf. planus; Destinez (66). — 
P. plumosus Hall, referred to Clcmatocr . ; Jaekel (144) p. 47: see 
Cordylocr. — P. pocilliformis, redescr. (p. 706, pi. lxviii); P. pratteni, 
redescr. (p. 671, pi. lxx); P. pumilus Hall, not accepted (p. 650); P. 
quinquenodus , redescr., incl. P. planobasalis Rowley & Hare (p. 661, 
pi. lxxi) ; Wachsmuth & Springer (336). — P. ramulosus Hall, referred 
to Clematocr . ; Jaekel (144) p. 47 : vide etiam Cordylocr. — P. regalis , 
redescr., incl. P. oweni M. & W. ; Wachsmuth & Springer (336) 
p. 710, pi. lxxii. — P. retiarius , referred to Hapalocr . ; Bather (30) 
p. 344. — P. saffordi , redescr. (p. 694, pi. lxvii) ; P. sampsoni, redescr. 
(p. 673, pi. lxx) ; P. sarce , redescr., incl. P. georgei Hall, P. pratte- 
nanus M. & W., ct P. monroensis Worthen (p. 677, j>ls. lxix & lxx) ; 
P. scobina, redescr., incl. P. clytis Hall (p. 695, pi. lxviii); P. sculptus , 
redescr., incl. P. rotundus S. A. Miller (p. 691, pis. lxviii, lxxv) ; 
Wachsmuth & Springer (336). — P. spissus; Dorlodot (71) p. 252. — 
P. subspinosus, redescr. (p. 717, pi. lxvi); P. subspmulosus , redescr. 
(p. 684, pis. lxvi, lxx) ; P. symmetries , ambulacrals (p. 103), ridges 
on tegmen (p. 118), redescr. (p. 655, pis. iii, lxix); P. tenuibrachiatus , 
redescr. (p. 687, pi. lxx) ; P. truncatulus, redescr. (p. 675, pi. lxvii, 
lxxi); P. verrucosus , redescr. (p. 705, pis. lxvi, lxviii); P. vexabilis 
White, not accepted (p. 650) ; P. wortheni, redescr. (p. 702, pi. lxvii) ; 
P. yandelli , with var. perasper, redescr., incl. P. nodobrachiatus Hall 
1861 non 1858 (p. 706, pis. lxvi, lxviii), ambulacrals (p. 103); Wachs- 
muth & Springer (336). 
P. agassizi, Kinderhook group, Le Grand, Marshall Co., Ia., incl. P. planus 
W. & Sp. non Ow. & Shum. ; Wachsmuth & Springer (336) p. 669, 
pi. lxix. — P. bozemanensis, Lower Carboniferous, Bridger Mts., Montana; 
Miller & Gurley (235) Bull. Illinois Mus. xii, p. 42, pi. iii. — P. 
bridgerensis, ibid., near Bozeman ; op. cit. p. 43, pi. iii. — P. concinnulus , 
Burlington Group, Sedalia, Mo. ; Miller & Gurley (233) Bull. Illinois 
Mus. ix, p. 63, pi. iv. — P. davisi, Lower Burlington Limest., Han- 
• nibal, Mo.; Wachsmuth & Springer (336) p. 684, pi. lxx. — P. 
douglassi, Lower Carboniferous, Bridger Mountains, Bozeman, Mont. ; 
Miller & Gurley (234) Bull. Illinois Mus. x, p. 86, pi. v. — P. geo- 
metries, Upper Burlington Limest., Burlington, Ia. ; Wachsmuth 
& Springer (336) p. 697, pis. lxvii & lxviii. — P. hodgsoni, Burlington 
Group, Adams Co., 111. ; Miller & Gurley (232) Bull. Illinois Mus. 
viii, p. 63, pi. v. — P. illinoisensis , ibid . ; op. cit. p. 62, pi. v. — P. nodo- 
striatus, Upper Burlington Limest., Burlington, Ia. ( = P. tenui- 
brachiatus pars, M. & W.); Wachsmuth & Springer (336) p. 698, 
pis. lxvi, lxx. — P. peculiaris , Lower Burlington age, Lake Valley, 
New Mexico; op. cit. p. 700, pi. lxviii. — P. sharonensis , Burlington 
Group, near Sharon, S. W. Missouri; Miller & Gurley (235) 
Bull. Illinois Mus. xii, p. 42, pi. iii. — P. spinifer, with var. nov. 
elongatus, Lower Burlington Limest., Burlington, Ia. ; Wachsmuth & 
Springer (336) p. 708, pis. lxvi & lxvii. — P. subscitulus, Burlington 
Group, Sedalia, Mo. ; Miller & Gurley (233) Bull. Illinois Mus. 
ix, p. 62, pi. iv : n. spp. 
Plicatocrini.dce , defined, includes Plicatocr. & Ilyocr . ; Zittel (356) p. 143 
and Zittel-Eastman (357) p. 171. 
Polycrinides Pictet; Wachsmuth & Springer (336) p. 18. 
Polymera. Ang. ; Wachsmuth & Springer (336) p. 31. 
+ Polypeltes , possibly a Batocrinid ; Wachsmuth & Springer (336) p. 
365. 
t Polypelt idee, defined, includes Polypeltes and Spyridiocr. ; Zittel (356) 
p. 132: discontinued; Zittel-Eastman (357) p. 147. 
