Geology and Mineralogy. 149 
in an Appendix to the Report. The former is on a plan wo hy 
of imitation. Mr. Ashburner places on the labels of his speci- 
mens (besides the geographical position) the number of the stra- 
um, the distance in feet from the lower limit of the same, and 
also the dip of the beds; so that any future investigator will be 
of a grayish white bedded limestone, containing occasional | 
debris is now forming from such a cau any other, Besides 
these s breccias or conglomerates there are also bone-breccias 
In caves and fissures. The famous bone-brece 
occupies a vertical fissure of erosion in the above-described sur- 
i e 
cave. 
The promontory bears evidence of different sea-levels in terraces 
or platforms cut in the solid rock, surmounted sometimes by cal- 
on the southern portion of the promontory ; it extends from west 
to east for 1650 feet, and it averages 115 feet above the sea-level, 
though sloping up from 90 feet to 150 feet. It appears also at 
other points. The calcareous conglomerate over it contains some 
