AND THE SALT DEPOSIT ON PETITE A N S K ISLAM), 11 



If we compare this section with that at rort Hudson, starting from the stump 

 stratum as a level of reference, we find here a much greater variety, and in general 

 a greater proportion of loam and silt materials; hoth circumstances indicating a 

 deposition in Avater possessing some flow, rather than in quiet lagoons or swamps. 

 The same state of things is indicated hy the waviness, on the large and small scale, 

 of the stratification lines; for the bluif exhibits on its face not less than two 

 synclinals and anticlinals, the inclination being mostly of a few degrees only, and 

 very obviously conforming to the present surface undulations. 



At Port Hudson we find the main clay stratum, No. 2, chariicterized by tlie 

 occurrence of ferruginous nodules in the lower and calcareous ones in tlie upper 

 portion. Similarly we find at Cute Blanche, in stratum Xo. 2, an abundance of 

 ferruginous nodules ; and towards the west end of the exposure, stratum No. 7, 

 here from fifteen to eighteen feet thick, shows on the stratification lines flattened 

 calcareous nodules, in strings from twelve to fifteen inches apart, precisely as is the 

 case at Fontania. While at the latter place, however, the calcareous mass is mostly 

 of a cJialk// texture, it is here prevalently crystalUne, so as fo form a very ancient- 

 looking limestone; tons of wliich lie scattered on the shelving beach. Such, 



