Reports and Proceedings. 273 



The author then showed that above the Lower or Lynton slates 

 there is an extensively developed series of red, claret-coloured, and 

 grey grits, from 1500 to 1800 feet thick ; these form a natural and 

 conformable base to the Middle Devonian or Ilfracombe group. The 

 highest beds, containing 3Iyalina and Natica, insensibly pass into 

 the gritty and calcareous slates of Combe Martin, Ilfracombe, etc. ; 

 this Middle group Mr. Etheridge unhesitatingly regarded as the 

 eq[uivalent of the Torquay and Newton Bushel series of South Devon. 



Mr. Etheridge gave detailed Tables of the organic remains of the 

 two groups (the Lower, or Lynton, and the Middle, or Ilfracombe), 

 and collated to them those species found in equivalent strata in 

 Ehenish Prussia, Belgium, and France. He was inclined to believe 

 that these two marine fossiliferous groups represent in time the 

 unfossiliferous Old Eed Sandstone (Dingle beds) of Kerry, and the 

 Glengariff and Killarney grits of the south-west of Ireland. 



The author then endeavoured to prove that the Pickwell Down 

 beds are the true Upper Old Eed Sandstone only, not the whole of 

 the formation, as was lately proposed. 



Arguments were also brought forward to show the probability of 

 the Carboniferous slate (in part) and Coomhola grits being the 

 equivalent of the English Upper Old Eed Sandstone, or Upper 

 Devonian, and that the North Devon beds only are to be regarded 

 as the true type, to which the Irish must be compared, and not vice 

 versa. 



Physical and Palseontological evidence distinctly proves, the 

 author states, that the whole of the slates and limestones of Lee, Il- 

 fracombe, and Combe Martin underlie the Morte Bay red sandstone. 



The author compared the whole of the Devonian fauna of Britain 

 with that of the Ehine, Belgium, and France, by means of a series 

 of tables based upon the British types. These marine Devonian 

 species were compared with those of the Old Eed Sandstone proper, 

 the Silurian and Carboniferous, and analyses were made of all the 

 classes, orders, genera, and species, with relation to the groups of 

 rocks in which they occur — ^the result being the conclusion that the 

 marine Devonian series, as a whole, constitutes an important and 

 definite system. 



The Geological Society of Glasgow. — The concluding meeting 

 of the present session of this Society was held in their room in 

 Anderson's University on Thursday evening, the 18th of April. — 

 Professor Young, President, in the chair. The following papers 

 were read : — 



1. " On the Entomostraca of the Carboniferous Eocks of Scotland," 

 By Professor T. Eupert Jones and Mr. James W. Kirkby, Honorary 

 Members of the Society. 



The observations of the authors had reference only to the Bivalved 

 Entomostraca of the Ostracodous and Phyllopodous groups, of which 

 Gypris and Limnadia are the recent types. Upwards of seventy 

 years ago the Eev. David Ure figured and described four species of 

 these little Bivalved Crustacea from the Carboniferous Limestone of 



VOL. IV. NO. XXXVI. 18 



