layer. The section is thus Wticia Trenton 10 foot mine. Boulder bed 4-5 ft. locally Disconformity Blue Trenton 11 fath. wave layer 8-10 inches sometimes 30 inch. 30 fath to track. If mine the 70 foot mine to low water mark. Thin the boulder bed of Barlow On close inspection it is seen that the Boulder bed is the channel of last bottom of the Wticia sediments. The whole was rolled about, of mud and many of the round trees rounded are then are packed together. The contact with the Blue Trenton is very sharp, the lower Trenton is smoother, even bedded, blue-mud limestone, while the Wticia begins yellowish-grey, granular with considerable clayey material. During the boulder bed or foot away we saw this:-