246 E. Biillen Netcton — On Archanodon Jukeni. 



Thomastown, and at Tivoli Villa, near Cork, in association with 

 plant remains, regarding the beds as belonging to the Upper Old 

 Ked Sandstone. 



Later on in the same year Jukes ^ appears to have altered his 

 opinion as to the age of the Yellow Sandstone Series of the South 

 of Ireland, and considered them as of Lower Carboniferous age, 

 a view which was supported by Sir Richard Griffith^ in the 

 following year (1858). 



As a list name, W. H. Baily^ in 1859 referred to this shell 

 under the name of Anodonta Juhesi, recognizing its formation as 

 Upper Devonian or Lower Carboniferous, although in the following 

 year (1860) he* acknowledged the deposit as of Upper Old Red 

 Sandstone age. 



In 1861 Baily^ invested the fossil with a greater scientific im- 

 portance by publishing figures and a description. His account is as 

 follows : — " The large bivalve shell, Anodonta Julcesi, Forbes, of 

 ■which figures are given (reduced to half natural size), is rather 

 abundant at Kiltorcan Hill, occurring with the plants before 

 mentioned \^Adiantttes ( Cyclopteris) Hibernicus, Sphenopteris HooTceri, 

 Cyclostigma, Lepidostrohiis ?] ; no other mollusc having hitherto been 

 found in those beds. It is clearly allied to the fresh- water mussels 

 of the present day, being referred to an existing genus which is 

 remarkable for the thinness of its shell and the absence of hinge 

 teeth. Fig. 3a exhibits the exterior of this elongated shell, with its 

 well-mai'ked lines of growth, characters common to the existing 

 fresh-water Unios and river mussels ; 36 is from a cast of the 

 interior of the left valve of a very large specimen ; it shows the 

 impression or cicatrice of the adductor muscle and the straight tooth- 

 less hinge-line." 



Another locality for the mollusc was noted by Baily ^ during 1864, 

 viz. Gokane Point, Toehead Bay, co. Cork, where it was found 

 associated with Adiantites Hibernicus; and in 1866 J. B. Jukes ^ 

 recorded its discovery by Mr. Doran in the Old Red Sandstone of 

 near Clonmel (Waterford). 



» J. B. Jukes : " The Studeut's Manual of Geology," 1857, p. 441. 



* Sir R. Griffith, " On the Eemains of Fossil Plants discovered in the Yellow Sand- 

 stone Strata, situate at the base of the Carboniferous Limestone Series of Ireland, in 

 connection with a Communication on that subject from M. Adolphe Brongniart" : 

 Journ. Royal Dublin Soc, vol. i (1858), p. 313. 



3 "W. H". Baily, " On the Fructification of Cyclopteris Hilernica (Forbes) from the 

 Upper Devonian or Lower Carboniferous Strata at Kiltorkau Hill, Co. Kilkenny " : 

 28th Eep. British Assoc, for 1858, published 1859, p. 75. 



* "W. H. Baily, "On Sphenopteris HooJceri, a new Fossil Fern from the Upper 

 Old Bed Sandstone Formation at Kiltorcan Hill, in the County of Kilkenny, with 

 some Observations upon the Fish Eemains and other Associated Fossils from the same 

 locality" : 29th Eep. British Assoc, for 1859, published 1860, p. 98. 



5 W. H. Baily: "Explanations to Sheets 147 and 157 of the Maps of the 

 Geological Survey of Ireland," 1861, p. 16, fig. 3. 



6 W. H. Baily, "Explanations to Sheets 187, 195, and 196 of the Maps of the 

 Geological Survey of Ireland," 1864, p. 23 ; " Explanations to Sheets 192 and 199 

 of the Maps of the Geological Survey of Ireland," 1864, pp. 15, 17, 23. 



■' J. B. Jukes, " On the Carboniferous Slate (or Devonian Eocks) and the Old Red 

 Sandstone of South Ireland and North Devon" : Quart. Journ. Geol. Soc, vol. xxii 

 (1866), p. 320. 



