62 



ANNALS NEW YORK ACADEMY OF SCIENCES 



Norms. 



8. Biotite Augite Norite, 1J miles S. of Peekskill. Analyst, G. S. Rogers. 



Symbol, II. 5. 3. 4. Andose. 



9. Hornblende Norite, ^ mile N. of Montrose. Analyst, G. S. Rogers. Symbol, 



II. 5. 4. 3. Hessose. 



10. Pyroxenite, Montrose Point. Analyst, G. S. Rogers. Symbol, IV. I 2 . I 2 . 2. 



Hudsonose. b0 



11. Olivine Pyroxenite, ? mile N. of Dickerson Hill. Analyst, G. S. Rogers. 



Symbol, IV. I 2 . I 2 . 2. Hudsonose.™ 



12. Augite Peridotite, Montrose Point. Analyst, W. H. Emerson. G. H. 



Williams, Amer. Jour. Sci. (3), XXXI, 40. Symbol, IV. 2 2 . I 2 . 2. X. 



13. Wernerite Schist. Montrose Point. Analyst, G. S. Rogers. 



80 The writer ventures to suggest the name Hudsonose for this rock, in view of its 

 abundance and typical development in the Cortlandt Series, and Inasmuch as Cortland- 

 tose has already been assigned to a type apparently not found in the series. 



