132 NEW YORK STATE MUSEUM 
Examination of the table on pages 128-31, with reference to the geologic 
grouping of the localities under consideration reveals, in addition to the 
preponderance of forms frequent in calcite combinations, such as the prisms 
a (1120)and b (1010), the rhombohedrons m. (4041), p. (1011), @. (0112) and 
9. (0221), and the scalenohedron K: (21381), a coincidence of certain zones 
with respect to the geologic groupings of occurrences suggestive of the influ- 
ence of genetic conditions upon the crystal habit of these calcite occurrences. 
Discussing these in order we have: 
Zone of the second order pyramids. The second order pyramids have 
hitherto been considered as of rare occurrence in calcite combinations; the 
pyramid y (8.8.16.3), which has been most frequently noted in the literature 
of calcite, is recorded from some 12 localities.’ 
This pyramid which marks the intersection of three prominent zones 
is also a member of the most frequently occurring series of pyramids, 
including = (1123), 4 (2243), « (4483) and y (8.8.16.3). It occurs in 5 of the 
20 occurrences under discussion, viz: Rossie, Lyon Mountain, Saratoga, 
Fayetteville and Union Springs, and in two of these, viz: Lyon Mountain 
and Union Springs, is developed to the extent of a dominant form. At 
Union Springs the pyramidal habit is specially characteristic of calcite 
1 The second order pyramid (8.8.16.3) has been recorded from: 
Andreasberg. vom Rath,G. Pogg. Ann. 1867. 132:521. 
Agaete. Hessenberg, F. Min. Notizen. 1870. 9:9) 
Bamle. Morton, C. Kongl. Sc. Vet. Akad. Forh. 1884. 8:65. 
Arlberg. von Foullon, H. Jahrb. geol. Reichsanst. Wien. 1885. 35:47. 
Rhisnes. vom Rath, G. Sitz. Niederrhein. Ges. 1886. 
Villers en Fagne. Cesaro,G. Soc. Géol. Belg. Ann. 1887. 
Kongsberg. Sansoni, F. Giorn. d. Min. 1890. 1:129. 
Seilles. Cesaro, G. Soc. Géol. Belg. Ann. 1892. 19:267. 
Wisbey. Hamberg, A. Geol. Foren. Forh. 1894. 16:709. 
Bad Lands, S: D. Penfield, S. L. & Bord, We EH. Amr Jour ser) 19005) 9352: 
Grasberg. Weibull, M. Geol. Foren. Férh. 1900. 22:19. 
Upper Missouri. Rogers, A. F. Am. Jour. Sci. 1901. 12:42. 
Bellevue, Ohio. Farrington, O.C. Field Col. Mus. 1908. 3:144. 
