ravine with rich woodland. The Castle is situated upon the top 

 of the main limestone, 150 feet above the bed of the river Swale, 

 which in its turn is 300 feet above sea level. It thus appears 

 that the main limestone has sunk 1,250 feet from its height (1,700) 

 at the nine Standards. 



The Ingleby Greenhow trip, on June 22, being a very short one, 

 no chance for Geological research happened. 



July 6. — Ayton was visited ; the outlying character of Rose- 

 berry, the Gravel Beds of the neighbourhood, the carving out by 

 glacial action ond the entrusive igneous rock were duly noticed. A 

 paper on " The Cleveland Dyke " was read by the President of the 

 Club, which elicited a most interesting discussion, Messrs. Burton, 

 Meek, Charlton, Thomas, &c., taking part in it, the thanks of the 

 meeting was given to the writer of the paper, and it was resolved to 

 publish it and forward copies to the Members of the Club. 



The 13th July Meeting was held at Dinsdale, only the new red 

 sandstone and the fact that sulphurous water is pumped out of it 

 at the Spa, probably from gypsous marl, interested the Geologists. 



At a hurried trip from Staithes to Runswick on September 7 

 the coast section as far as Port Mulgrave was examined, and many 

 specimens were obtained characteristic of the rocks, exposed and 

 others thrown up by the sea. Among them were ; — 



Ammonites margaritatus 



„ spinatus 



„ annulatus 



,, communis 



,, bifrcns 



, , defossiim 



„ capricornus 

 Dentalium giganteum 

 Pecten equivalvis 

 Cardium truncatum 

 Inoceramus dubius 

 Chordophyllites cicatricosus 

 Nulliporites $p. 



