230 



ECHJNODERMA TA. 



[CAI,, 



CaMhocrinw, Hall, 1861. The name was 

 preoccupied by Von Meyer in 1848. See 

 Teleiocrinus. 



Calckocrinus, Hall, 1862, Pal. N. Y., vol. 2, 



p. 352, and 13th Rep. N. Y. St. Mus. 

 Nat. Hist., p. 122. [Ety. calceus, shoe; 

 krinon, lily.] Base, a single subtrian- 



gular or semioval plate, composed of 

 four anchylosed pieces, with cicatrix, 

 for columnar attachment at lower an- 

 gle ; body, above the base, consisting of 

 5 or 7 plates, of which two are much 

 the larger; a central, elongated plate 

 separates the two large lateral radial 

 plates, and bears an arm ; lateral radial 

 plates, each, support brachials that 

 bear bifurcating arms;* azygous side 

 arched and composed of 4 or more 

 plates, after whicn a free arm arises. 

 Type C. chrysalis. 

 articulo8us, Billings, 1859, (Heterocrinus 

 articulosus,) Can. Org. Rem., Decade 

 4, p. 51, Trenton Gr. 

 barrandii, Walcott, 1883, 35th Rep. N. Y. 

 St. Mus. Nat. Hist., p. 212, Trenton Gr. 

 barrisi, see Deltacrinus barrisi. 

 bradleyi, see Deltacrinus bradleyi. 

 chrysalis, Hall, 1800, (Cheirocrinus chrys- 

 alis,) 13th Rep. N. Y. St. Mus. Nat. 

 Hist., p. 123, Niagara Or. 

 clarua, see Deltacrinus claru>. 

 dactylus, see Deltacrinus dactylus. 

 furcillatus, Billings, 1887, Trans. Ottawa 

 Field Nat. Club, vol. 3, p. 61, Trent on Or. 

 insequalis, Billings, 1859, (Heterocrinus 

 inaequalis,) Can. Org. Rem., Decade 4, 

 p. 51, Trenton Gr. 

 lamello8us, Hall, 1800, (Cheirocrinus la- 

 mellosus,) 13th Rep. N. Y. St. Mus. 

 Nat. Hist., p. 123, Burlington Or. Not 

 well defined. 

 nodosum, see Deltacrinus nodosus. 

 perplexus, Shumard, 1860, (Cheirocrinus 

 perplexus,) Trans. St. Ixmis Acad. Sci., 

 vol. 2, p. 358, Keokuk (Jr. 

 punctatus, Ulrich, 1886, (Cremacrinus 

 punctatus,) 14th Rep. Geo. Sur. Minn., 

 p. 107, Trenton Gr. 

 radicula, Ringueberg, 1882, Jour. Cin. Soc. 

 Nat. Hist., vol. 5, p. 120, Niagara < ir. 



robust us, Wort I nil, 

 (in press,) I 

 Sur. 111., vol. 8, 

 p. 92, Keokuk Or. 

 rugosus, Billings, 

 1887, Trans. Ot- 

 tawa Field Nat. 

 Club, vol. 3, p. 

 53, Trenton Gr. 

 stigmatus, see Delta- 

 crinus stigmatus. 

 tunicatus, Hall, 

 1860, (Cheirocri- 

 mus tunicatus.) 

 13th Rep. N. Y. 

 St. Mus. Nat. Hist., p. 124, Keokuk Gr. 

 ventricosus, Hall, 1860, (Cheirocrinus 

 ventricosus,) 13th Rep. N. Y. St. Mus. 

 Nat. Hist, p. 123, Burlington (Jr. 



Fio. 259.— Oulceocrinus 

 rugusus. 



toachsmuthi, see Deltacrinus wachsmuthi. 

 Callocystitks, Hall, 1862. l'al. N. Y., vol. 

 2, p. 238. [Ety. kallos, beau- 

 tiful ; kuttis, bladder.] 

 Ovoid ; 1st series of plates 

 4 ; 2d series 8 ; 3d series j 

 about the same number;' 

 small plates at the apex ; 

 arms recumbent, resting 

 in a small shallow groove ; 

 pectinated rhombs in three 

 pairs ; oral, ovarian and 

 anal apertures. Type C. 

 jewetti. Fio.260.-Cal- 



jewetti, Hall, 18o2, Pal. \ . \ . looy ititM 

 vol. '_'. p. 239, Niagara Gr. Jewettt 



tripectinatns, Ringueberg, 1886, Hull. Bnf. 

 Soc. Nat. Sci., vol. 5, p. 12, Niagara I Ir. 

 . i nub, Hall, 1879,28th Rep, N. Y. 

 St. Mus. Nat. Hist., p. 206. [Kty. 

 kamara, arching chambers; 1 

 lily.] Body large, unsymmetrical, ex- 

 ternally lobed, chambered within and 

 bearing no arms; wall of the dome 

 composed of two layers, the in- 

 folding of the inner one forming 

 the partitions dividing the chao 

 subcircular area in the basal portion 

 composed of spreading, radidfonn, bi- 

 furcating rays, composed oi plat* 

 •embling those of a crinoid column, and 

 oonneeted by LrregnlarpolygonaJ plates; 

 ambulacral openings between bifarea- 

 tions near the outer rim of the area; 

 column cylindrical, internal canal five- 

 raved. T\ pe 0. stellatus. 



clarki, Hall, 1679, 28th Etep. N. 1 

 Mus. Nat. Hiat, p.209, Low. Held. Gr. 



saffordi, Hall. 1879, 28th Rep. N. Y. St. 

 Mus. Ni.t. Ili-t.. p. 208, Low. Held. (ir. 



stellatuH, Hall, 1879, 28th Rep. N. S*. St. 

 Mu>. \at. 1 1 i^t ., p. •_'(»:, Low! Held. (Jr. 

 CampanuliUs, Troost, 1850. Not defined. 



inullalw, Troost, I860. Not denned. 



Cani$trocrinua, Wachamuth A Springer, 



1885, Paleeocrinidas, vol. 1, pt. :;, \>. 94. 



Founded upon Glyptocrin us richardsoni 



and G. pattersoni, two widely did. rent 



ies. The generic characters are not 



satisfactorily pointed out. 



Carabocrinus, Billings, 1857, Rep. of Progr. 



Geo. Sur. Cm., p. 275, and Can. Org. 



Rem., Decade 4, p. 30. [Ety. karabos, 



Fig. 261.— Curabocrinus radiatuH. Diagram. 



a crab ; krinon, lily.] Calyx globular or 

 ovoid ; basals 5 ; subradials 5; primary 

 radials 5; arms five, and frequently 



