KiNAHAN AND Baily — Report on Rocks, 8fc. 481 



At Uggool, Killary Harbour, Co. Mayo (column lN"o. 6), the same 

 fossiliferous strata of Caradoc age are prevalent, the number of forms 

 being considerably increased. Seventeen species from this locality 

 are included in the list ; amongst them, one coral, HelioUtes tuhulatus, 

 a species ranging from Caradoc to "Wenlock ; a crinoid referred to 

 Glyptocrinus, five species of Brachiopoda, three species of Grasteropoda, 

 two jS'ucleobranchiata, all being characteristic of Caradoc strata ; three 

 of Pteropoda, exclusively Caradoc species ; and two Cephalopods, both 

 of them having a geological range from Caradoc to Ludlow strata. 



At two places N. E. and S. "W. of Toormakeady, in the counties 

 of Galway and Mayo (column No. 7), fossils of Caradoc age occur in 

 pink and grey brecciated limestone, very similar to that of the Chair 

 of Kildare, both in lithological character, and the preponderance of 

 Trilobite remains. The fossils consist of Crinoidal remains referred to 

 Glyptocrinus, four species of Trilobites, of which three, Cheirurus 

 lirnucronatus, Cyhele verrucosa, and lUmtms Boivmanni, commence in 

 Caradoc strata, the two last-named species continuing on to the Llan- 

 dovery and the first-named one to the Wenlock, whilst theliourth, 

 Phacops caudatus, has hitherto been recorded as commencing in Llan- 

 dovery strata only, passing up into the Ludlow series. Here, how- 

 ever, we have it associated with undoubted Caradoc fossils. From 

 these localities eight species of Brachiopoda are enumerated, all of 

 which are of Caradoc types, although some of them commence in the 

 Llandeilo formation, and others continue on to Wenlock, and even 

 Ludlow strata. 



Prom Lough Muck, Co. Galway (No. 8), only three species are 

 recorded, all similarly indicative of Caradoc strata, viz., Gra/ptolithus 

 tenuis, having a geological range from Llandeilo to Caradoc, and the 

 Gasteropod MoUusca Holopea concinna, and MwrcMsonia olscura, both 

 confined to Caradoc strata. 



The remaining column (No. 9), from Anascaul, Co. Kerry, in- 

 cludes but three species — a Crinoid, the Polyzoan {Ptiloclictya dicho- 

 toma), and a Pteropod ( Conularia elongata) ; they are, however, highly 

 characteristic fossils of the Caradoc formation. 



