rAL.i:ozoic. 



HYDROZOA. 



CAMBRIAN AND SILURIAN, 



OAMURIAN. LOWER SIL. UPPBB SILURIAN. 



SPECIES. 



Monograptus {contiiiiie<l). 



— pilaonsis Ltipw. 



— var. l>asilious ... Lapw. 



— grogarius Lapw. 



Halli JSarr. .. 



Hisingeri Carr. .. 



var. jaoulum ... Lapw. 



rar. nudua Lapw, 



I'nfermediiis Carr... 



involutus Lapw. 



Leiutwardcusis JIopl: 



leptotheca Lapw. 



M'Coyi Lapw. 



pandus Lapw. 



proteus Barr... 



Eiccartonensis Lapw. 



Boemeri Barr. , 



runcinatus Lnpw. 



Salweyi ffopk. 



■ Sanderson! Lapw. 



scauicus Tullb.. 



spiralis His. . 



— triangulatos 



Hark.. 



vomerinns Nich. 



Odontocavilis Lupworth, 1881 



— Keepingii Lapio 



Phyllogeaptid^. 

 Phyllograptus 



— anna Hall 



— densus Tornq^ 



Nemagkaptids (Hop.) 



(Lepto&eaptid^, Lapw.) 



Pleurograptus ... Nicholson, 1S67 



— radiatus Lapw 



REFERENCES. 



Scottish Monopraptida?,Geol. Mag. Dec Il.vol.iii, p.3^7, t.12, 

 f. 5 ; ib. Belfast Nat. Field Club (Co. Down), p. 1 29, t. (\ f. 1. 



Ann. Mag. Nat. Hist. 5 ser. vol. v, p. 152, t. 4, f. 6. 



Scottish Monograptidic, Geol. Mag. Dec. II, vol. iii, p. 317, 

 t. 10, f. 12; ib. Lapw. Belfast Nat. Field Club, 1876-7, 

 p. 131, t. 5, f. 4. 



Grapto. de Eolu'nie, 1850, p. 48, t. 2, f. 12-15. 



Yide p. 1 1 . 



Scottish Monograptidse, Geol. Mag. Dec. II, vol. iii, p. 351, 

 t. 12, f. 2. 



Ann. Mag. Nat. Hist. 5 ser. vol. v, p. 1 56, t. 4, f . 7. 



Vide Graptolithus, loe. cit. p. 11. 



Var. of M. intermedius. 



Geol. Mag. 1873, p. 520; 1875, p. 561. Lapw. Ann. Mag. 

 Nat. Hist. 5 ser. vol. v, p. 149, t. 4, f. i. 



Scottish Monograptidip, Geol. Mag. Dec. II, vol.iii, p.352, t.12, 

 f . 4 ; ib. Beif . Nat. Field Club (Co. Down), p. 130, t. 5, f . 2 2. 



Grapto. Belfast Nat. Field Club (Co. Down), 1876-7, p. 130, 

 t. 6, f. 2. 



Belfast Nat. Field Club (Co. Down), p. 1 29, t. 6, f . 3 (var. 

 of M. lobiferns). 



Tide Lapw. Belfast Nat. Field Club, 1 876-7, p. 1 28, t. 5, f . 1 8. 



Belfast Nat. Field Cl\tb (Co. Down), p. 1 29, t. 5, f . 23 ; ib. 

 Ann. Mag. Nat. Hist. 5 ser. vol. v, p. 155, t, 4, f. 8. 



Tide Lapw. Ann. Mag. Nat. Hist. 5 ser. vol. v, p. 151, t.4, f. 5. 



Scottish Monograptida', Geol. Mag. Dec. II, vol.iii, p. 501, t. 20, 

 f.4; ib. Belf. Nat. Field Club (Co. Down), p 128, t.5, f.7. 



Vide Lapw. Ann. Mag. Nat. Hist. 5 ser. vol. v, p. i jo, t. 4, f . 2. 



Scottish Monograptidoe, Geol Mag. Dec. II, vol.iii, p. 320, 1. 11, 

 f.2; ib. Belfast Nat. Field Club (Co. Dowu\ p. 131, t.5, f.8. 



Fide Lapw. Ann. Mag. Nat. Hist. 5 ser. vol. v, p. 368. 



Leon, and Bronn. Jahrbuch fiir Min. 1S42, t. 10. Lapw. 

 Proc. Belfast Nat. Field Club, 1876-7, p. 128, t. 5, f. 12. 



BaMrites, Q. J. Geol Soc. vol. vii, t. i, f. 3 ; ib. Lapw. Geol. 

 Mag. Dec. II, vol. iii, t. 13, f. 5 ; ib. Proc. Belfast Nat. 

 Field Club, 1S76-7, p. 125, t 5, f. 14. 



Mono. Brit. Grapto. p. 53, f 21. Monogr.aptus, Lapw. Scottish 

 Monograp. Geol. Mag. Dec. II, vol. iii, p. 353, t.12, f. 6. 



Q. J. Geol. Soc. vol. .x.xxvii, p. 176, t. 7, f. 7. 



Geol. Survey Canada, Gi-ap. of the Quebec Group, p. 124, 



t. 16, f. 11-16. 

 Fide Lapw. in Ann. Mag. Nat. Hist. 5 ser. vol. vi, p. 21. 



Tide Ann. Mag. Nat. Hist. 5 ser. vol. iv, p. 427. 



