334 



C(ELOpAULUS BIVITTATUS (Hall). 



Murckisonia bivittata, Hall 1852. Pal. N. York, vol, II, p. 345, pi. 83, 



figs. 1 a and 1 ft. 



„ „ Eillinga 1863. Geol. Canada, p. 339, fig. 343. 



Nicholson 1875. Rep. Pal. Prov. Ontario, p. 70, pi. 3, 



fig. 7, but not fig. 8. 



„ „ Whiteaves 1895. This volume, pt. II, p. 82, pi. 12, 



figs. 5 and 6. 

 CceCocaulus bivittatus, Vlrich imd Soofield . 1897. Geol. and Nat. Hist. Surv. Minn., 



Final Rep., vol. III. pt. II. p. 1020. 



CCELOCAULUS LONGISPIRA (Hall). 



Murchisonia longispira, 'SaM 1852. Pal. N. York, vol. II, p. 345, pi. 



83, figs. 2 a and 2 b. 



1. Nicholson 1875. Rep. Pal. Prov. Ontario, p. 70, pi. 3, 



figs. 11 and 12. 



M „ Whiteaves 1895. This volume, pt. II, p. 83. 



CteZocituJus ton(/i3p!>a, Ulrich and Scofield, 1897. Geol. and Nat. Hist. Surv. Minn., 



Final Rep., vol. Ill, pt. II, p. 1020. 



CcELOCAULUS TUEBITIFOEMIS (Hall). 



Murchismiia turritijormis, Hall 1852. Pal. N. York, vol. II, p. .'?47, pi. 83, 



figs. 6 a and 6 b. 



II II Nicholson 1875. Rep. Pal. Prov. Ontario, p. 70, pi. 2, 



fig. 10. 



II II Whiteaves 1884. This volume, pt. 1, p. 26, pi. 4, fig. 5; 



and (1895) pt. II, pi. 12, fig. 4. 

 Cailooaulus turritiforjais, Ulrich and Scofield . . . 1887. Geol. and Nat. Hist. Surv. Minn. , 



Final Rep., vol. Ill, pt. II, p. 1020. 



CcELOCAULUs EsTELLA (Billings). 



Murckisonia Eatella, Billings 1862. Geol. Sur. Canada, Palseoz. Foss., vol. 



I, p. 157, fig. 139. 

 II II Whiteaves 1895. This volume, pt. I.I, p. 83. 



Dr. Ulrich writes that he is " inclined to unite G. Estella with C. tur- 

 ritifomiis." 



TuRRiTOMA, Ulrich and Scofield. 



TMrri^oma, Ulrich and Scofield 1897. Geol. and Nat. Hist. Surv. Minn., 



Final Rep., vol. Ill, pt. II, p. 959. 



TuRBiTOMA BoYLEi (Nicholson). 



Murckisonia Boylei, Nicholson 1875. Rep. Pal. Prov. Ontario, p. 71, pi, 3, 



fig. 1. 



II II Whiteaves 1895. This volume, pt. II, p. 81. 



Tureiioma .Boi/W, Ulrich and Scofield 1897. Geol. and Nat. Hist. Surv. Minn., 



Final Rep., vol. Ill, pt. II, p. 959. 



