100 Echin . 
XIV, ECHINODERMA. 
cornu Hall = Megistocr. evansi (p, 535); A. caroli Hall, possibly syn. 
of Dizygocrinus unionensis (p. 425); (?) A. chouteauensis , redescr. 
(p. 570, pi. xlvi); A. christy i Hall non Shum. = Periechocr. whitfieldi 
(p. 522); A. clivosus Hall= Teleiocr. rudis (p. 630); A. dalyanus 
S. A, Miller = Cactocr. proboscidalis (p. 601); A. (daphne , redescr. 
(p. 574, pi. lvi); A. decornu Hall = Dorycr. cornigerus (p. 458); A. 
delicatus M. & W. = Teleiocr. umbrosus (p. 628); A. divaricatus Hall = 
Dorycr. cornigerus (p. 458); A. {Calathocr.) erodus Hall = Teleiocr. 
rudis (p. 630); A. eryx Hall = Cactocr. glans (p. 625); A. excerptus 
Hal \ = Cactocr. proboscidalis (p. 601); Wachsmuth & Springer (336). 
— A. icosidactylus , redescr., from La Varville; Julien (151) p. 135, 
pi. v. — A. injlatus Hall — Amphoracr. spinobrachiatus (p. 591); A. in- 
frequens Hall = Cactocr. thalia (p. 604); A. ( Calathocr .) insculptus Hall 
= Teleiocr. rudis (p. 630); A. jugosus, redescr. (p. 563, pi. liv); A. 
lagena Hall = Cactocr. proboscidalis (p. 601), A. lobatus, redescr., incl. ? 
A. unicarinatus Hall (p. 557, pis. lii, liv, lv); A. locellus Hall = 
Cactocr. reticulatus (p. 605); A. lowei , redescr., incl. A. brontes Hall 
(p. 562, pi. liv); A. minor Hall = Megistocr. evansi (p. 535); A. multi - 
cornus Lyon, syn. of Centrocrinus pentaspinus (p. 309); A. multi- 
radiatus , tegmen (p. 109), redescr. (p. 555, pi. lii); A. nodosus S. A. 
Miller = Cactoa\ thalia (p. 604); Wachsmuth & Springer (336). — 
A. ovatus Hall, vide Cactocr. reticulatus , var. ovatus. — A. pendens 
Hall = Dorycr. unicornis (p. 468); A. penicillus M. & W., an j liven is 
Teleiocr. adolescens (p. 635); A. pernodosus , redescr. (p. 561, pi. lv); 
A. planobasilis Hall — Amphoracr. divergens (p. 588); A. puteatus 
Rowley & Hare — Cactocr. lucina (p. 603); A. quadrispinus White = 
Amphoracr. divergens (p. 588); A. quaternarius Hall = Cactocr. probo- 
scidalis (p. 601); A. quinquangularis , ridges on tegmen (p. 118); 
Wachsmuth & Springer (336). — A. retiarius , made type of n. g. 
Clematocrinus ; Jaekel (144) p. 47. — A. scitulus , redescr., incl. A. 
rusticus Hall, A. sillimani M. & W., & A. wachsmuthi White (p. 559, 
pi. lv) ; A. securus Hall = Cactocr. thetis (p. 614); A. stellaris , tegmen 
(p. 109); A. subu?nbrosus Hall = Teleiocr. liratus (p. 633); A. super- 
la tus Hall - Megistocr. evansi (p. 535); A. symmetricus Hall = Aarocr. 
parvus (p. 477); A. tenuisculptus, redescr., incl. A. chloris Hall (p. 571, 
pi. lv) ; A. themis Hall = Cactocr. proboscidalis (p. 601); A. thoas Hall 
— Cactocr. reticulatus (p. 605); A. tholus Hall — Cactocr. glans (p. 625); 
Wachsmuth & Springer (336). — A. triacontadactylus, redescr., from 
La Varville; Julien (151) p. 136, pi. v. — A. tnjugis (olim Blairocr . ) 
S. A. Miller, redescr. (p. 576, pi. liv); A. trinodus Hall = Dorycr. 
unispinus (p. 467); A. urncejormis McChesney = Macrocr. konincki 
(p. 447); A. validus M. & W . = Bteganocr. concinnus (p. 582); A. 
verrucosus , redescr., incl. A. asterias McChesney (p. 558, pi. lii); 
Wachsmuth & Springer (336). 
A. batheri , Pilton Beds, Devonshire; Whidborne (342) P. Geol. Ass. 
xiv, p. 377, no fig. — A. bischoffi , Burlington Group, Burlington, Iowa; 
Miller & Gurley (234) Bull. Illinois Mus. x, p. 8, pi. iii. — A. gracilis , 
Lower Burlington Limest., Burlington, la. ; Wachsmuth & Springer 
( 336) p. 572, pi. lvi. — A. gnjjithi , Upper part of Upper Burlington 
Limest., Burlington, la., and Pleasant Grove, la. ; op. cit.> p. 568, 
pi. lii . — A . jessiece , Burlington Group, Sedalia, Mo. ; Miller & Gurley 
( 232) Bull. Illinois Mus. viii, p. 32, pi. ii. — A. magnijicus , Keokuk group, 
Indian Creek, Montgomery Co., Ind., incl. A. lobatus Worthen non 
Hall; Wachsmuth & Springer (336) p. 567, pi. liii. — A. multira- 
mosus y Keokuk group, Indian Creek, Montgomery Co., and Canton, 
Washington Co., Ind. (an incl. A. grandis S. A. Miller non Lyon); 
op. cit. p. 564, pis. liii, lv. — A. pallubrum } Burlington Group, 
Sedalia, Mo. ; Miller & Gurley (233) Bull. Illinois Mus. ix, p. 26, pi. i. 
