REPORT OF THE DIRECTOR I9O4 



79 



5887 ^-2* hypotype Ruedemann. New York state museum 



memoir 7. 1904. pi. 14, fig. 18. 

 Beekmantown graptolite shale 



Mt Moreno, Columbia co. N. Y. 

 R. Ruedemann, coll. 1903 



5888 Mg 1 ** hypotype Ruedemann. New York state museum 



memoir 7. 1904. pi. 14, fig. 19, 20. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



On slab with type of Didymograptus gracilis , 

 pi. 14, fig. 17. 



Didymograptus incertus Ruedemann 



5889 -2~3jULfc TYPE (2 specimens, fossil and counterpart) DidymOgraptUS 



incertus Ruedemann. New York state mus- 

 eum memoir 7. 1904. p. 700, fig. 92, pi. 15, fig-M- 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



On slab with types of Loganograptus logani 

 mut. pertenuis, pi. 9, fig. 5; Didymograptus 

 caduceus mut. nanus, pi. 15, fig. 8; Glosso- 

 graptus hystrix, pi. 16, fig. 29. 



Didymograptus nanus Lapworth 



5890"! [hypotype Didymograptus indentus var. 



nanus. Lapworth. Quarterly journal of the 

 geological society of London. 1875. 3 i: 647. 



Didymograptus nanus Ruedemann. 

 New York state museum memoir 7. 1904. p. 693, 

 fig.88, pi. 15, fig. 4 . 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



On slab with type of Didymograptus nan 'us, 

 pltS, fig-5- 



5891 33 a ifl * hypotype Ruedemann. New York state museum 

 memoir 7. 1904. pi. 15, fig-5- 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 

 On slab with type of Didymograptus nanus, 

 pi. 15, fig.4. 



