REPORT OF THE DIRECTOR I9O4 



73 



DIDYMOGRAPTUS McCoy 



Didymograptus sp. Ruedemann 



5852 &£f*& hypotype Didymograptus sp. Ruedemann. New 



York state museum memoir 7. 1904. p. 6 70, fig.65. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



Didymograptus (Leptograptus) sp. 

 nov. see Didymograptus gracilis 



Didymograptus acutidens Lapworth 



5853 hypotype Didymograptus acutidens Lap- 



worth ms. em. Elles & Wood. Monograph British 

 graptolites, pt 1. Pal. Soc. vol. for 1901. p. 25. 



Ruedemann. New York state museum memoir 7 . 

 1904. p. 683, fig. 77; p. 684, fig. 78, pi. 13, fig. 15. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



Didymograptus bifidus Hall (sp.) 



5854 ^ 3 r 1 -^ hypotype Graptolithus bifidus Hall. Geo- 



logical survey of Canada; Canadian organic remains, 

 decade 2. 1865. p. 73. 



Didymograptus bifidus Ruedemann. 

 New York state museum memoir 7. 1904. p. 68 9; 

 690, fig. 86,. pi. 15, fig. 1. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



On slab with type of Didymograptus similis , 

 pl.14, fig.2 9 . 



5855 hypotype Ruedemann. New York state museum 



memoir 7. 1904. p. 691, fig. 87. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 

 On slab (other side) with type of Didymograptus 

 » s i m i 1 i s, p. 678, fig. 74. 



5856 hypotype Ruedemann. New York state museum 



memoir 7. 1904. pi. 15, fig. 2. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 

 On slab with types of Goniograptus geome- 

 tricus, pi. 7, fig.16; Tetragraptus pendens, 

 pi. 11, fig. 19; Didymograptus similis, p. 678, 

 fig. 73; D. tornquisti, pi. 13, fig. 6, 7. 



