PALEOZOIC, 



HYDKOZOA. 



CAMBRIAN AND SILURIAN. 



CAMBEIAN. LOWER Sit. ITPPEB. SILUEIAN. 



SPECIES. 



GlOSSOGBAPTID^ 

 (LASIOGEAPTIDa;). 



Lasiograptus Lapworth, 1873 



— bimucronatus . . . Nicli 



costatus Lapm., 



HarJcnessi Mich. . 



margaritatus ... Lapv). 

 retusus Lapw. 



Leptogeaptid*. 



Leptograptus LapwortTi, 1873 



Nemagraptidce... Sop 



— capillflris Carr 



— fiacidus Sail 



MoNOGBAPTlDiE (Lopworth). 



Monograptua Qeinitx, 1853... 



Oraptolithus, . . His., lAnrt. 1 75 1 

 Monoprion ...... Barrande, 1850 



GraptoUtes Auct 



— argentiuB Nich 



— argutus Ziapw 



— Barrandei 



colonus Sarr., 



— yar. dubius . 



comiminis Lapv). 



conciimus Lapw. 



convolutus Sis. 



Yar. a. cormnrnas... Lapw 



— 5. fimbriatus ... N'ich 



— c. proteus Sarr 



— d. spiralis Geinitz 



— crassus Lapw 



— crenularis Lapw 



— crispus 



cypbus., 



Lapw. 



^ 



CO Q 



a ^ 



REFERENCES. 



Diplograptus, Ann. Mag. Nat. Hist. 1869, 4 ser. vol. iv, 

 p. 236, t. II, f. 12. (Diplograptus.) 



Fide Lapw. Ann. Mag. Nat. Hist. 5 ser. vol. vi, p. 22. 



Vide L. costatus. 



Belfast Nat. Field Club (Grapto. Co. Down), p. 135, t. 6, f. 25. 



Ann Mag. Nat. Hist. 5 ser. vol. v, p. 175, t. 5, f. 24. 



? Nemagraptws (Cladograptus). Vide Nemagraptus, loo. 



cit. p. 12. 

 Graptolites, Quebec Group, p. 143, t. 2 ; ib. Lapw. Belfast 



Nat. Field Club, 1876-7, p. 142, t. 7, f. 14. 



3 E 2 



Ann. Mag. Nat. Hist. 4 ser. vol. iv, p. 239, t. 11, f. 19. 

 Scottish Graptolites (Monograptidse), Geol. Mag. Dec. II, 



vol. iii, p. 318, t. 10, f. 13; ib. Belfast Nat. Field Club 



(Co. Down), p. 131, t. 5, f. 5. 

 Bohmiscbe Graptolithen, t. 9, f. 12; ib. Lapw. Geol. Mag. 



Dec. II, vol. iii, p. 500, t. 20, f . 5 ; ib. Belfast Nat. Field 



Club, Co. Down, p. 128, t. 5, f. 21. 

 Grapto. de BobSme, t. 2, f. 1-3 ; ib. Nicholson, Q. J. Geol. 



Soc. vol. xxiv, t. 20, f. 9-11 ; ib. Lapw. Ann. Mag. Nat. 



Hist. 5 ser. vol. v, p. 152, t. 4, f. 3, 4- I'oi" references, 



see p. 10. 

 Bobmische Graptolithen, t. 9, f. 5 5 ^^- I'^.pw. Scottish 



Monograptidffi, Geol. Mag. Dec. II, vol. iii, t. 20, f. 10. 



EeMast Nat. Hist. Club, 1876-7, p. 128, t. 5, f. 16. 

 Scottish Monograptidse, Geol. Mag. Dec. II, vol. iii, p. 320, 

 t. II, f. I ; ib. Belfast Nat. Field Club, p. 130, t. 5, f. 19. 

 Lethea Suecica, t. 38, f. 7. Lapw. Geol. Mag. Dec. II, 

 vol. iii, p. 358- ^ 



Geol. Mag. Dec. II, vol. iii, p. 358> 1. 13, f. 4^.^., ^^ 

 Geol. Mag. Dec. II, vol. iii, p. 368, t. 13. f- 4C,<i. I .|1 

 Geol. Mag. Dec. II, vol. iii, p. 358, t. 13, f. 4e,f. j 8 ^ 

 Geol. Mag. Dec. II, vol. iii, p. 358. *• i3> f • 4 g- ^■' g 

 Ann. Mag. Nat. Hist. 6 ser. vol. v, p. I55. *■ 4. f- 8. 

 Ann. Mag. Nat. Hist. 5 ser. vol. v, p. 153. *■ 4> *■ i°- 

 Scottish GraptoUtidffi, Geol. Mag. Dec. IL vol. iii, p. 503, 

 t 20, f. 7; ib. Lapw. Belfast Nat. Field Club, 1876-7, 

 p. 128, t. 5, f. 13- 

 Scottish Monograptidse, Geol. Mag. Dec. II, vol. ui, p. 352. 

 t. 12, f. 3; ib. Belfast Nat. Field Club (Co. Down), p. 130, 

 t. 5, f. 25. 



^ ' 395 



