230 



ECHINODERMA TA. 



[CAI,. CAR. 



Calathocrinw, Hall, 1861. The name was 

 preoccupied by Von Meyer in 1848. See 

 Tel- iocrinus. 



CALCEOCRIXUS, Hall, 1852, Pal. N. Y., vol. 2, 

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

 Nat. Hist., p. 122. [Ely. cakew, shoe; 

 krinon, lily.] Base, a single subtrian- 

 gular or semioval plate, composed of 

 four arichylosed pieces, with dcatrix, 

 for columnar attachment at lower an- 



le; body, above the ba.se, consisting of 

 or 7 plates, of which two are much 

 tb'e laiger; a central, elongated pl:ite 

 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 

 platep, alter which a free arm arises. 

 Type C. chrysalis. 



articulosus, Billings, 1859, (Heterocrinus 

 articulofeu*,) Can. Org. Rem., Decade 

 4, p. 51, Trenton Gr. 



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

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



frorrw, see Peltacrinus- barrisi. 



bradleyi, see Delta<'rinus btadleyi. 



chrysalis, Hall, 1860, (Cheirocrinus chrys- 

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

 Hist., p. 123, Niagara Gr. 



clarus, see Deltacrmus clarus. 



dactylus, see P-ltacrinus dactylus. 



furcillatus, Billings, 1887, Trans. Ottawa 

 Fi* Id Nat. Club, vol. 3, p. 51 , Trenton Gr. 



insequaMs, Billing?, 1859, (Heterocm.us 

 iusequalip,) Can. Org. Rein., Dtcade 4, 

 p. 51, Trenton Gr. 



lamellosus, Hall, 1860, (Cheirocrinus la- 

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

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

 well defined. 



nodogut, see Drltacrinus nodosus. 



perplexus, Shnmard, 1866, (Cheirocrinus 

 peiplexus,) Trans. St. Louis Acad. Sci., 

 vol. 2, p. 358, Keokuk Gr. 



punctatus, Ulrich, 1886, (Cremacrinus 

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



p. 107, Trenton Gr. 

 idic 



radicula, Ringuebenr, 1882, Jour. Cin. Soc. 

 Nat. Hibt., vol. 5, p. 120, Niagara Gr. 



robustus, Worlhen, 

 (in press,) Geo. 

 Sur. III., vol. 8, 

 p. 92, lOokuk Gr. 

 rugosus, Billings, 

 1887, Trans. Ot- 

 tawa Field Nat. 

 Club, vol. 3, p. 

 53, Trenton Gr. 

 sliymalu*, see Dt-lta- 

 crinu.s stigmatus. 

 tunicatus, Hall, 

 1860, (Cheiroc.i- 

 mus tunicatu ,) 

 13th Rep. N. Y. 

 St. Mus. Nat. Hist., p. 124, Ke.,kuk Gr. 

 ventricosus, Hall, 1860, (Chf-irocrimis 

 veil trie, .bus,) 13ih Rep. N. Y. St. Mus. 

 Nat. Hist, p. 123, Burlington Gr. 



Fio. 259. CalceccHnus 

 ragabus. 



waclismutlii, see Delt*crinus wflchsmuthi. 

 CALLOCYSTITES, Hall, 1852, Pal. N. Y., vol. 

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

 tiiul ; ku*lis, bladder.] 

 Ovoid ; 1st series of plates 

 4; 2.1 seiies 8; 3d series i 

 about the same number ;| 

 email plates at the apex ; 

 arms r- cumbent, resting 

 in a email shallow groove ; 

 pectinated rhombs in three 

 pairs ; oral, ovarian and 

 anal apertures. Type C. 

 jewttti. 



jewett', Ha 1 !, 1852, Pal. N. Y. 

 vol. 2, p. 239, Niagara Gr. 



trip* -clinatus. Ringueberg, 1886, Bull. Buf. 

 Soc. Nat. Sci., vol. 5, p. 12, Niagara Gr. 

 CAMAROCKINUS, Hall, 1879, 28;h R. p. N. Y. 

 St. Mus. Nat. Hist., p. 205. [Ety. 

 knmara, arching chambtrs; krim>n, 

 lily.] Body large, un.-ymnietricl, ex- 

 ternally k-bed, chainbeud within and 

 bearing no aims; wall of the dome 

 composed of two laytr?, the in- 

 folding of the inner one forming 

 the partitions dividing the chambers; 

 subcirculttr area in the basal portion 

 compost d of spreading, radicifi mi, bi- 

 furcating rays, composed of plates re- 

 tembiing those of a crinoid column, and 

 connected by it r- gular polygonal plates ; 

 ambulacral op nings between bifurca- 

 tions near the outer lim of the area; 

 column cylindrical, internal canal five- 

 rayed. Type C. steilatus. 



clarki, Hi-li, 1879, 28th Rtp. N. Y. St. 

 Mu*. Nat. Hist., p. 209. Low. Held. Gr. 



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

 Mus. N.t. Hist., p. 208, Low. Held. Gr. 



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

 Mus. Nat. lli*t., ],. 207, Low. Held. Gr. 

 Carnpanulitts, Troost, 1850. Not denned. 



tfi-Sf-l/atu!>, Tro< st, 1850. Nut defined. 



CanistrvcrinuB, AVrch^muth & Springer, 



1885, Pal^ociinidge, vol. 1, pt. 3, p. 94. 



Founded uponGlyptocrinumichai'dsoni 



ai>d G. pattersoni, t\v<i widely oiff< rent 



spei i- s. '] he generic characters are not 



satisfactorily pointed out. 



CARABOCRIM'S, Billings, 1857, Rep. of Progr. 



Geo. Sur. C<n., p. 275, and Can. Org. 



Rrm.. D cmlp 4, p. 30. [Kty. karabos, 



Fio. ^l. Carabocriuu 



Jjlagram. 



a crab; krinon, lily-] Calyx globular or 

 ovoid ; basals 5 ; subradials 6; piimary 

 radials 5; arms five, and frequently 



