Thirtieth report of progress of excavations by William Pengelly and Edward Vivian, Torquay, to the British Association Kent's Cavern Committee Monthly report of the superintendents of exploration. The 'Lecture Hall' excavation is all but finished. Describes the stalagmitic floor as being between nine and thirty inches thick. The red cave-earth has yielded remains of horse, hyena, rhinoceros, bear, fox, deer, mammoth, ox, and dog. 1 January 1868