CATALOGUE I. 



Amended List of Species cited by Port lock, from the 

 Irish Lias. 



CLASS 



Species of Gen. Portlock's List. 

 I Acrodus minimus, Ag. 

 1 sp. Porilock t. xiv., fol. 17 



! Gyrolepis Alberti, Ag. 

 ! Gyrolepis tenuistriatus, Ag. 

 ! Saurichthys apicalis, Ag. 



PICES. 



Species adopted. 

 Acrodus minimus, Ag. 

 Acrodus Tatei, Moore, MS. 

 Gyrolepis Alberti, Ag. 

 Gyrolepis tenuistriatus, Ag. 

 Saurichthys apicalis, Ag. 



CLASS CEPHALOPODA. 



! Ammonites armatus, Sow. 



! Ammonites hastatus, Y. &> B. 



! Ammonites Bucklandi, Sow. 



Ammonites multicostatus, Sow. (pars) 

 ! Ammonites Conybeari, Sozu. 

 ! Ammonites striatulus, Sow. 

 ! Ammonites elegans ? Sow. 

 ! Ammonites laeviusculus ? Sow. 

 [ Ammonites subradiatus ? Sow. 

 ! Ammonites intermedius, Portl. 

 ! Ammonites Johnstoni, Sow. 

 Ammonites Lamberti, Sow. 

 ! Ammonites MacDonnelli, Portl. 

 ! Ammonites planorbis, Sow. 

 ! Ammonites Sampsoni, Portl. 

 [Ammonites radians, fieirz.] 

 ! Ammonites multicostatus, Sow. (pars) 

 I Ammonites rotiformis, Sow. 

 I Belemnites abbreviatus, Mill. 



Ammonites armatus, Sow. 



Ammonites Bucklandi, Sow. 

 Ammonites Sauzeanus, D'Oro. 



Ammonites Conybeari, Sow. 



Ammonites Buvgnieri, D'Orb. 



Ammonites Johnstoni, Sow. 



Ammonites angulatus, Schloth. 

 Ammonites MacDonnelli, Portl. 



Ammonites planorbis, Sow. 



? 

 Ammonites raricostatus, Ziet. 

 Belemnites acutus, Mill. 



CLASS GASTEROPODA. 



! Cerithium carbonarium ? Goldf. Cerithium gratum, Terq. 



! Dentalium tenue, Portl. Dentalium Portlocki, Tate. 



\ Melania <r/"Bronni, Rom. Turritella Dunkeri, Terq. 



! Trochus angiicus, Sow. Pleurotomaria similis, Sow. 



[Trochus fasciatus ? Sow.] ? Pleurotomaria similis, Sow. 

 Turritella percincta, Portl. Cerithium percinctum, Portl. 



! Turritella tenuicostata, Portl. Cerithium tenuicostatum, Portl. 



