CAR. CLE.] 



ECHINODERMA TA. 



231 



dividing; regular interradials ; azygous 

 interradials 3, the first one resting on a 

 basal plate ; five calycinal, ambulacra! 

 grooves on the dome; opening in the 

 margin over the azygous plates. Type 

 C. radiatus. 



radiatus, Billings, 1857, Rep. of Progr. 

 Geo. Sur. Can., p. 276, and Can. 

 Org. Rem., Decade 4, p. 31, Tren- 

 ton Gr. 

 tuberculatus, Billings, 1859, Can. Org. 



Rem., Decade 4, p. 33, Hud. Riv. Gr. 

 vancortlandti, Billings, 1859, Can. Org. 



Rem., Decade 4, p. 32, Trenton Gr. 

 CARYOCRINUS, Say, 1825, Jour. Acad. Nat. 

 Sci., vol. 4, p. 289. [Ety. karyon, a nut; 

 krinon, lily.] Body ovoid or subglobns^; 

 1st series of plates 4 ; 2d s ries 6 ; 3d 

 series 6, which bear 9 to 13 arms more 

 or less ; vault covered by polygonal 

 plates of moderate size; upon the azy- 

 gous side, near the outer edge of the 

 vault, 6 triangular plates, forming a 

 conical elevation, represent the mouth 

 or anal orifice; calyrine pores numer- 

 ous, and also in double rows radiating 

 from the center of the body plates ; no 

 pectinated rhombs; column round. 

 Type C. ornatus. 



glnbomu, Troost, 1850. Not defined. 

 granul'ittis, Troost, 1850. Not defined. 

 hexagonus, Troost. Not defined. 

 insculptux, Troost. Not defined. 

 loric'itus, Say, 1825, Jour. Acad. Nat. Sci., 



vol. 4. syn. for C. ornatus. 

 meconoideus, Troost. Not defined. 



ornatus, Say, 1825, 

 Jour. Acad. Nat. 

 Sci., vol. 4, p. 289, 

 and Pal. N. Y., 

 vol. 2, p. 216, 

 Clinton and Ni- 

 agara Gr. 



Gary ocyst ites, Von 

 Buch, as cited 

 by H=U1 in 1861, 

 in Geo. Rep. 

 Wis. See Holo- 

 cystites. 



alternntus, see Holo- 

 cystites alterna- 

 tus. 



cylindricus, see Hol- 

 ocyslites cylindricus. 



CATILLICRINUS, Troost, 1850, Cat. Foss. de- 

 scribed by Shumsird, 1866, Tranp. St. 

 Louis Acad. Sci., vol. 2, p. 357. [Ety. 

 catillus, a small bowl; krinan, lily.] 

 Ca'yx hemispherical concave at the 

 bottom ; basils 5 ; primary radials 1x5; 

 secondary radials 1x5, very irregular; 

 arms numerous, rising directly from the 

 summit, of the radials; column round. 

 Tvpe C. tennesseese. 



bra<lleyi, Meek & Worthen, 1868, Proc. 



Arad. Nat, Sci. Phil., p. 342, and Geo. 



Sur. 111., vol. 5, p. 504, Keokuk Gr. 



tennesseeee, Troost, 1850, Catalogue, but 



described by Shumard, in 1866, in Trans. 



bl 



FIQ. 262. Caryocrinus 

 ornatus. 



FIG. 263. 



wachsiuuthi. 



loci-inns 



St. Louis Acad. Nat. Sci., vol. 2, p. 358, 

 Warsaw Gr. 



wachsmuthi, Meek & Worths, 1866, 

 (Synbathocrinus wachsmuthi,) Proc. 

 Acad. Nat, Sci. Phil., p. 251, and Geo. 

 Sur. 111., vol. 3, p. 465, Burlington Gr. 

 Centrocrinus, AVachs- 

 mutli & Springer, 

 1881, Proc. Acad. 

 Nat. Sci. Pro- 

 posed as a sub- 

 genus under Ac- 

 tinocrinus, to in- 

 clude A. multicor- 

 nis and A. pen- 

 taspinus, but the 

 name was pre- 

 occupied by Aus- 

 tin in 1843. 



tennesseensis, Worth- 

 en, (in press,) 

 Geo. Sur. II!., vol. 

 8, p. 95, Niagara 

 Gr. 



Ceriocrinus, White, 

 1880, proposed as 

 a subgenus of 

 Erisocnnus, but 

 the name was pre- 

 occupied. 



Chevocrmus, Hnll, 1860, 13th Rp. N. Y. St. 

 Mus. Nat. Hist., p. 122. This name was 

 preoccupied by Eichwald in 1856, and 

 is a syn. for Calceocrinus. 



chrysalis, see Calceocrinus chrysalis. 



clams, see Deltacrinus clarus. 



dactylus, see Deltacrinus dai-tylus. 



lamel/osus, see Calceocrinus lamellosus. 



noiioms, see Deltacrinus nodosus. 



perpfexus, see Calceocrinus perplexus. 



stigmatus, see Deltacrinus stigmatus. 



twiicatus, s j e Deltacrinus tunicatus. 



ventricosus, see Calceocrinus ventricosus. 

 CHOLASTER, Wort! en & Miller, 1883, Geo. Sur. 

 111., vol. 7, p. 328. Ety. du>lo*, defect- 

 ive; aster, star.] Body truncated p-n- 

 tagonal ; central area circular, large, 

 deep; rays distant, small, short, trun- 

 cated ; centro-dorsal plate large, sur- 

 rounded by five plates in the position 

 of radials. Type C. p p culiaris. 



peculiaris, Worthen & Miller, 1883, 

 Geo. Sur. 111., vol. 7, p. 328, Kaskas- 

 , kia Gr. 



CLEIOCRINUS, Billings, 1857, Rep. of Progr. 

 Geo. Sur. Can., p. 276, and Can. Org. 

 Rem., Decade 4, p. 52. [Ety. kleio, I 

 close; krinon, lily.] Calyx conical or 

 pvriform; basals 5; primary radials 

 3x5; secondary radials 4x10; tertiary 

 radinls numerous; azygous interradials 

 forming a single series from the base to 

 the top of the calyx; regular inter- 

 radials none ; arms numerous and com- 

 pact. Type C. regius. 



gnindis, Billings, 1869, Can. Org. Rem., 

 De ade 4, p. 54, Trenton Gr. 



libanus, Safford, 1869, Geo. of Tenn. Not 

 defined. 



