A CATALOGUE OF AUSTRALIAN FOSSILS. 5 



(Hydrozoa.) (Silurian.) 



Genus and Species. 



Strat. 

 Subdivision. 



References. 



Localities, &c. 



Genus Dichograptus, Salter (pars), 1863. (Quart. Jour. Geol. Soc. xix. p. 139.) 



Graptolitidce. 



i). octobrachiatus, 

 Hall. 



L. Sil. (LI. 

 FL). 



Graptolitlms, *Geol. Survey, Ca- 

 nada, Eept. (1857) 1858, p. 122; 

 id. ibid. *Dec. ii. p. 96, t. 7; 

 Graptolites, M'Coy, Ex. Essay, 

 1861, p. 161; id. ibid. Annals 

 Nat. Hist. 1862, ix. p. 139; 

 Didymograptus, ibid. id. 1867, 

 XX. p. 200; Dichograpsus, Ni- 

 cholson, *Quart. Jour. Geol. 

 Soc. 1868, XXIV. p. 129, t. 5, figs. 

 1 and 2 ; id. Bigsby, Thesaurus 

 SU. 1868, pp. 82 and 200; Di- 

 dymograpsus, M'Coy, Smyth's 

 Progi-ess Kept. 1874, p. 33 ; G. 

 (Didymo.), ibid. *Geol. Survey, 

 Vict. 1874, Dec. i. p. 17, t. 2, 

 f. 4. 



Castlemaine; 

 Watch-box 

 Eanges, Glen- 

 hope, and Piper's 

 Ck.; E. bank of 

 Saltwater Eiver, 

 near Melbourne, 

 Vict. 



Genus Dicranograptus, Hall, 1865. (Geol. Survey, Canada, Dec. ii. p. 112.) 



Graptolitidce. 



D. ramosus, Hall. 



L. Sil. (LI. 

 FL). 



Graptolitlms, *PaI. New York, 

 1847, I. p. 270, t. 73, f. 3; Grap- 

 tolites, M'Coy, Ex. Essay, 1861, 

 p. 161; Diplograpsus, M'Coy, 

 Annals Nat. Hist. 1862, ix. 

 p. 138; Dicranograptus, Hall, 

 *Geol. Survey, Canada, Dec. ii. 

 p. 112; Diplograpsus, M'Coy, 

 Annals Nat. Hist. 1867, xx. p.200; 

 id. Bigsby, Thesaurus Sil. 1868, 

 pp. 84 and 200; id. M'Coy, 

 Smyth's Progi-ess Eept. 1874, 

 p. 33; Cladograpsus, id. *Geol. 

 Sm-vey, Vict. 1875, Dec.ii. p. 33, 

 t. 20, f. 2. 



W. of Bnlla, near 

 Melbourne ; Ben- 

 digo {Bigsby), 

 Vict. 



Genus DidymograptuS, M'Coy, 1851. (Brit. Pal. Foss. p. Q.)~Graptolitidce. 



D.? caduceus, Sal- 

 ter. 



L. Sil. (LI. 

 FL). 



*Quart. Jom-. Geol. Soc. 1855, ix. 

 p. 87, f. 1 ; ibid. 1863, xix. p. 137, 

 f. 13, a and b ; M'Coy, Ex. Essay, 

 1861, p. 161 ; ibid. Annals Nat. 

 Hist. 1862, IX. p. 139 ; ibid. id. 

 1867, XX. p. 200; Bigsby, The- 

 saurus Sil. 1868, p. 82; M'Coy, 

 Smyth's Progi'ess Eept. 1874, 

 p. 33 ; T. bryonoides (pars), 

 Etheridge, Annals Nat. Hist. 

 XIV. 1874, p. 2, t. 3, figs. 3 and 

 4; G.{Didyino.)caduceus, M'Coy, 

 *Geol. Survey, Vict. Dec. ii. 

 1875, p. 30, t. 20, figs. 3—5. 



Castlemaine; Bar- 

 wonCreek ; Bay n- 

 ton's Eange ; 

 Newham, &c. 

 Vict. 



