TYPE SPECIMENS OF PALEOZOIC FOSSILS 45 



2 53 3 3 3 ° ° 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 i 2 ° type Graptolith us s a git t arius (Hisinger) Hall. 

 Paleontology of New York. 1847. v. 1, p. 272, pi. 74, fig. ia. 

 Trenton beds (Normans kill shale) 



Kenwood, Albany N. Y. 



DIPLOGRAPTUS McCoy 



Diplograptus foliaceus Murchison 

 255 2-^±& hypotype Graptolith us foliaceus Murchison. 

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



Diplograptus pristis Ruedemann. 14th 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 Simpson 

 Ditoecholasma fanninganum Safford (sp.) 

 2^6 1A60. hypotype Petraia fanningana SafTord. Geology 

 of Tennessee. 1869. p. 32c. 



Ditoecholasma fanninganum Simpson. 



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



Helderbergian or Niagaran Perry county, Tenn. 



257 33 2 60 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.) 



258 '±'±^« type Streptelasma (Petraia) stricta Hall. 



26th annual report of the New York state museum of 

 natural history. 1874. p. 114. 



Streptelasma strictum Hall. 2d annual re- 

 port of the New York state geologist. 1883. pi. 1, fig. 2. 



