PALEOZOIC. 



HYDROZOA. 



CAMBRIAN AND SILUBIAN. 



CAMBKIAN. LOWBE SII. 



UPPBK SILtTEIAJr. 



SPECIES. 



Sub-Kingdom, C(ELENTERATA 

 Frey and Leuchart, 1839. 



Class, STDSOZOA. 



NBMA&EAPTIDiE. 

 Azygograptua . . . Nicholson and 

 Lapw. 1875 ... 



— Lapworthi ificli 



Callo&eaptid.«;. 



Calloeraptus Hall, 1865. 



Hall 



radiatus HopJc.. 



radicans Hopk.. 



Salteri Hall . 



■ gracik 



NEMAaEAPTID.a;. 



Cladograptus Qeinitz, 1853... 



CarrutherSjlicjS 



Plmrograptus . . Nicholson, 1867 



laris Co/yr 



Hall 



Carr 



D1CHOGEAPTID.5;. 



Clematograptus . . .Hopkinson,!^^ c, 



— implieatus Hopk 



Dipi,o&EAPTiD.a; . 

 CUmaoograptus . . , Hall, 1865.. 

 • — antennarius ... Hall 



— Hcomis Hall 



buUatus Salt. , 



ceelatus X/opw.. 



— confertus Lapw.. 



.... Hopk... 



innotatus Nich. 



mmutu§ Carr. .., 



rectangularis ... M'Coy 



■ — scalarii 



Linn. 



— teretiusculus ... His. 



tubercnlatus 



Nich. 



REFERENCES. 



Ann. Mag. Nat. Hist. 4 ser. vol. xvi, p. 369, t. 7, f. z. 



Grapto. Quebec Group, p. 134, 1. 19, f. 1-4; ib. Hopk. and 

 Lapw. Q. J. Geol. See. vol. xxxi, p. 666, t. 36, f. 9. 



Q. J. Geol. Soc. vol. xxxi, p. 665, t. 36, f. 8. 



Ann. Mag. Nat. Hist. 4 ser. vol. x, p. 333, 1. 10. 



Grapto. Quebec Group, p. 135, 1. 19, f. 5-8; ib. Hopk. and 

 Lapw. Q. J. Geol. Soc. vol. xxxi, p. 667, t. 36, f. 10. 



Vide Nemagraptus. 

 Vide Helicogi-aptus. 

 Vide Pleurograptus. 



Logartograptus, ■'RTit. Assoc. Rept. 1S72, p. 107. Geniato- 

 graptns, Grapto. of Ai-euig and Lland. Rocks, 8t. David's, 

 Q. J. Geol. Soc. vol. xxxi, p. 653, t. 34, f . 1 . 



Vide Diplogi-aptus. 



Diplograptws, Pal. New York, vol. i, p. 26S, t. 73, f. 2; ib. 

 Mem. Geol. Surv. vol. iii, p. 329, 1. 11 a, f . i b, c. Vide 

 Nicholson, A.M. N. Hist. 4 ser. vol. \-i, p. 380, 1870. 



Diplograptus, Q. J. Geol. Soc. vol. vii, p. 174, 1. 10, f. 2. 



Hopk. and Lapw. Grapto. Arenig and Lland. Rocks, t<t. Da- 

 vid's, Q. J. Geol. Soc. vol. xxxi, p. 655, t. 35, f. 8. 



Grapto. Arenig and Lland. Rocks, St. Da\'id's, Q. J. Greol. 

 Soc. vol. xxxi, p. 655, t. 34, f . 4. 



Vide Clematograptus. 



Ann. Mag. Nat. Hist. 4 ser. vol. iv, p. 238, 1. 11, f. 16. 



Geol. Mag. vol. v, p. 131, t. 5, f. 10. 



I)iplo,,rapf„,; Brit. Pal. Poss. ]>. S, t. i B, f. 8 ; ib. Letb. 



Slice, t. 38, f . 4. Diplograp. Salt. Q. J. Geol. Soc. vol. ^^i, 



P- 63, t. 1, f. II. (? C.scalaris.) 



Qrapio. Skaiiska Resa, p. 147. Prionoim, His. Letb. Succ. 

 p. 113- C. scalaris. Hall, Grap. Quebec Group, p.m. 

 hiluna, 4 0,1. Poss. p. 61, f . 4. Dipto. rectangidaris, M'Coy, 

 Bnt. Pal. Poss. p. 8, t. i B, f . 8. 



Prionoh^, Letb. Suoc supp. 3, p. 5, t. 3S, f . 4. Grapto. per- 

 soim „.■<, Scbarenberg ueber Gniptolithcn, t. 2, f. i? 32. 

 IJiplu.irap. teretiusculus. Salt, Q. J. Cool. Soc. vol.\dii, 

 P _3^9: t. 31, f. 3, 4 Climaco. Nich. Q. J. Geol. Soc. 

 vol. XXIV, p. 139, t. 5, f. n-13. 



Ann. Mag. Nat. Hist. 4 sor. vol. iv, p. 239, 1. 11, f. 18. 



