658 NEW YORK STATE MUSEUM 



Tetragraptus similis Hall (sp.) 



Plate 12, figures 2-10 



Phyllograptus similis Hall. Geol. Sur. Can. Rep't for 1857. 1858. p.l40 

 Didymograpsus caduceus Salter? Quar. Jour. Geol. Soc. 1863. 19:137, 



fig.l3b(?) 

 Graptolithus bigsbyi Hall. Canadian Organic Remains, decade 2. 1865. 



p.86, pi. 16, tig.22-30 

 Didymograptus caduceus Mcholson. Qnar. Jour. Geol. Soc. 1868. 24:133 

 Tetragraptus bryonoides Etheridge jr. Ann. and Mag. Nat. Hist, ser.i. 



1874. 14:2, pl.3, fig.l, 2; non fig.3, 4 

 Tetragraptus bigsbyi Linuarsson. Sver. Geol. Und. 1879. Afh. och upps. 



ser.C, no. 31, p.5 

 Tetragraptus bigsbyi Tullberg. Ibid. 18S2 ser.C, no.50, p.22 

 Tetragraptus caduceus Brogger. Die sil. Et;igen 3 and 3. 1882. p.38 

 Tetragraptus bigsbyi Ami. Geol. Sur. Can. Rep't, ser.2. 1889. v.3, pt2, 



p.iiek 



Tetragraptus caduceus Perner. Eltudes sur les Grapt. de Bobeme, pt2. 1894, 



p.20, pi. 6, fig.9-12 

 Tetragraptus bigsbyi Holm. Sver. Geol. Und. 1895. Afh. och upps. 



ser.C, no.l50, p.24, pl.l, fig.9-16; pl.2, fig.1-3 ; pi 3, %.13-16 

 Tetragraptus bigsbyi Holm. Geol. Mag. Dec. 4, 1895. 2:484, pl.13, fig.9-16 ; 



pl.l4, fig.13-16 ; p.485, fig.1-3 

 Tetragraptus bigsbyi Gurley. Jour. Geol. 1896. 4:294 

 Tetragraptus bigsbyi Roemer & Freeh. Lethaea palaeozoica. 1897. 1:600, 



601, fig.166 

 Tetragraptus bigsbyi EUes. Quar. Jour. Geol. Soc. 1898. 54:488 

 Tetragraptus bigsbyi Ruedemann. N. Y. State Paleontol. An. Rep't. 1902. 



p.556, 566 

 Tetragraptus bigsbyi Elles & Wood. Monogr. Brit. Grapt. ptl. Pal. Soc. for 



1902. 1902. p.68, pl.6, tig.6a-e 

 Non Didymograpsus caduceus Salter. Quar. Jour. Geol. Soc. 1853. 9:87, 



fig. la 

 Non Graptolites (Didymograpsus) caduceus McCoy. Prodr. Pal. Yie- 



toria, decade 1. 1875. p.l6, pl.2, fig.2, 3, 5 

 Non Tetragraptus bigsbyi Ruedemann. N. Y. State Paleontol. An. Rep't. 



1902. p.590, fig.18 



