60 DUBLIN UNIVERSITY 



The Rev. Professob Haughton, V. P., exhibited unique specimens 

 from the University Museum, of Euomphalus cristatus, and a new spe- 

 cies which he called Regime. He presented the Association with copies 

 of Plates I. and II., which had been drawn by Mr. Campbell, of the 

 Engineering School. The following is a description of these Plates : — 



PLATE I. 



Fig. 1. Underside of unique specimen of Euomphalus cristatus (Phillips), 

 preserved in the Museum of Trinity College ; locality not cer- 

 tain, but believed to be Strokestown, county of Roscommon. The 

 figure shows the tubular character of the crests, which are closed 

 below ; their upper surface is not known. 



Fig. 2. Natural cast of same, taken from the upper surface of the lime- 

 stone slab. The original, exclusive of the spines, is eight inches 

 (nearly) in diameter. 



PLATE II. 



Fig. 1 . A specimen o£ Euomphalus acutus (Sowerby) ; somewhat distorted 

 by cleavage, probably from Little Island, county of Cork : this 

 specimen belongs to the Museum of the Royal Dublin Society. 

 It is remarkable for the semicircular sinuosity observable on the 

 lines of growth in passing the keel of each whorl, which must 

 have corresponded with a notch in the outer lip. There is, how- 

 ever, no 8init8, as observable on Fig. 2. 



Fig. 2. Euomphalus Regina (mihi), found in the lower limestone at Shef- 

 field, Queen's County. Specimen unique, in Museum of Trinity 

 College. 



M Regince. — Testa conica ; spirae angulo 70° ; anfractibus 

 6-8, transversim eleganter striatis, sinu lato carinatis, supra 

 tabulatis ; apertura subquadrata scissura, alta superne denotata. 

 Breadth to Height= 150 : 100. 

 This shell resembles in its general character E. acutus, but 

 differs from it in two particulars ; first, in having a better marked 

 keel, which is formed by the flat upper surface of the whorl mak- 

 ing a well-marked angle of 105° with the side ; secondly, by the 



