74 



NEW YORK STATE MUSEUM 



5857 12 4 LA hypotype Ruedemann. New York state museum 



memoir 7. 1904. pi. 15, fig. 3. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 

 Didymograptus caduceus see Didy- 

 mograptus (Isograptus) caduceus 



Didymograptus (Isograptus) caduceus Salter emend. Ruedemann 



5858 hypotype Didymograptus caduceus Salter. 



Quarterly journal of the geological society of Lon- 

 don. 1853. 9:187. 



Didymograptus (Isograptus) cadu- 

 ceus Ruedemann emend. New York state museum 

 memoir 7. 1904. p. 695, fig.89, pi. 15, fig.6. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



On slab with type of Didymograptus cadu- 

 ceus, pl.15, fig. 7. 



5859 hypotype Ruedemann. New York state museum mem- 



oir 7. 1904. pl.15, fi g-7- 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 



On slab with type of Didymograptus cadu- 

 ceus, pl.15, fig-6. 



Didymograptus caduceus Salter mut. nanus Ruedemann 



5860 A3_i_fla jype Didymograptus caduceus Salter 



mut. nanus Ruedemann. New York state museum 

 memoir 7. 1904. p. 698, fig. 90. 



Beekmantown graptolite shale Deep kill, N. Y. 



R. Ruedemann, coll. 1901 

 586i^V-^ a type Ruedemann. New York state museum memoir 7. 

 1904. pl.15, fig. 8. 

 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 

 incertus, pl-i5, fig- 14; Glossograptus hys- 

 trix, pl.i6, fig.2Q. 



5862 3 \ 10a type Ruedemann. New York state museum memoir 

 7. 1904. pl.15, fig-9- 



Beekmantown graptolite shale Deep kill, N.Y. 



R. Ruedemann, coll. 1901 



