TYPE SPECIMENS OF PALEOZOIC FOSSILS 45 



253 a^fl.0. HYPOTYPE Dactyloidites asteroides Wal- 

 cott. icth annual report of the director of -the U. S. 

 geological survey. 1890. pi. 57, fig. 2. 



Georgian Middle Granville N. Y. 



Dactyloidites bulbosus see Dactyloidites as- 

 teroides 



DIDYMOGRAPTUS McCoy 



Didymograptus sagitticaulis Gurley 



2 54 -3.3.1-2. TYPE Graptolithus Sagittarius (Hisinger) Hall. 

 Paleontology of New York. 1847. v. i, p. 272, pi. 74, fig. la. 

 Trenton beds (Normans kill shale) 



Kenwood, Albany N. Y. 



DIPLOGRAPTUS McCoy 



Diplograptus foliaceus Murchison 



255 a& HYPOTYPE Gr ap t ol i th u s fo 1 i a ceus Murchison. 

 The Silurian system, pt 2. 1839. p. 695. 



Diplograptus pristis Ruedemann. i4th annual 

 report of the New York state geologist. 1895. P^ 4> ^S- * 

 Lower Trenton beds (Normans kill shale) 



Glenmont, Albany co. N. Y. 



C. Van Deloo, coll. 1883 



Diplograptus pristis see Diplograptus foliaceus 



DITOECHOLASMA 



Ditoecholasma fanninganum Safford (sp.) 



256 &&- HYPOTYPE Petraia fanningana Safford. Ge9logy 

 of Tennessee. 1869. p. 320. 



Ditoecholasma fanninganum Simpson. 



New York state museum bulletin 39. 1900. p. 201, fig. 5. 



Helderbergian or Niagaran Perry county, Tenn. 



2^7 3.^6.0. HYPOTYPE Simpson. New York state museum bulletin 39. 



1900. p. 201, fig. 6. 



Helderbergian or Niagaran Perry county, Tenn. 



ENTEROLASMA Simpson 



Enterolasma strictum Hall (sp.) 



25 8 H3JLH TYPE Streptelasma (Petraia) stricta Hall. 

 26th annual report of the New York state museum of 

 natural history. 1874^.114. 



Streptelasma strictum Hall. 2d annual re- 

 port of the New York state geologist. 1883. pi. i, fig. 2. 



