REPORT OF THE DIRECTOR I9O4 115 



6105 type Ruedemann. New York state museum memoir 



7. 1904. pi. 12, fig. 16. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 

 On slab with types of pi. 12, fig.i, 15. 

 trigonograptus Nicholson 

 Trigonograptus ensiformis Hall (sp.) 



6106 hypotype Retiolites ensiformis Hall. 



Geological survey of Canada; Canadian organic 

 remains, decade 2. 1865. p. 114. 



Trigonograptus ensiformis Ruede- 

 mann. New York state museum memoir 7. 1904. 

 pi. 17, fig. 1. 



Beekmantown graptolite shale 



Mt Moreno, Columbia co. N. Y. 

 R. Ruedemann, coll. 1903 



6107 hypotype Ruedemann. New York state museum 



memoir 7. 1904. pi. 17, fig. 2. 

 Beekmantown graptolite shale 



Mt Moreno, Columbia co. N. Y. 



6108 hypotype Ruedemann. New York state museum 



memoir 7. 1904. pl.17, fig. 3. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 

 On slab with type of pl.17, fig. 7. 



6109 hypotype Ruedemann. New York state museum 



memoir 7. 1904. pl.17, fig-4- 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



61 10 ^- 8 -^-£ hypotype Ruedemann. New York state museum 



memoir 7. 1904. pl.17, fig. 5. 

 Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



61 1 1 i-^Lfi. hypotype Ruedemann. New York state museum 



memoir 7. 1904. pl.17, n g-°- 

 Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



61 12 ^\ 3 -£ hypotype Ruedemann. New York state museum 



memoir 7. 1904. pl.17, fig. 7. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 

 On slab with type of pi. 17, fig. 3. 



