XOTES AND QUEKIES. 



173 



Shall the wit of man ever divine, or will he ever approach, to even a proximate 

 calculation ! J Indeed, no ! It is not by years, but by indefinite ages and eons, 

 that the geologist alone can speak of the progress of life in time. 



Mountain Limestone, Balleykeyron. a, rolled boulder of Mountain Limestone, probably 

 from some bed further north, b, drift boulders and clay, c, quarried stone and shales. 



When I began this letter I had many a question to put, but these I 

 must leave for the t present. I have looked upon these now familiar rocks for 

 the last time for many years to come, and I will keep my questions to ponder 

 over in some new locality. Should these " notes" induce any wandering 

 geologist in Ireland to spend a few hours or a few days in Athlone, I would 

 advise him to go direct to the quarry at Coorsan Point, with hammer and bag, 

 and should he use his eyes as well as I have used mine, he cannot fail to find 

 good specimens of the following fossils. 



The following is a List of Fossils to be met with in Athlone. Those marked iciih 

 asterisks are common : the others are more rare. 



Clisophyllum * 



Amplexus corrolloides. * 



Encrinites, of several species 



Hemitripa Hibernica 



Penestella * 



Terebratula saculus 



„ hastataf * 



Athyris Roysii 



„ lamellosa * 

 „ subtilita * 

 „ planosulcata 



Spirifera striatus * 



„ ellipticus [Coorsan and Kil * 

 „ attenuatus Toom] 

 „ cuspidatus * 

 „ ovalis * 

 „ duplicicosta 



bisulcatus * 



Rhynchonella pugnus 



„ pleurodon 



„ flexistria 



„ accuminata 

 Orthis resupinata 

 „ Michelini 

 Productus plicatus "\ Coorsan 



„ Martinii / and 



„ semireticulatus X Kil 



„ punctatus J Toom 

 Lithodomus, two species 

 Euomphalus pentangulatus 



„ Dionysii 

 Waticopsis Philipsii 

 Turrit ella 



Loxonena constricta 

 Melania constricta (?) 

 Goniatites trimcatus 



t And what I am inclined to regard, after what has been said by Mr. Davidson as several 

 varieties of hastata. 



