CATALOGUE I. 
Amended List of Species cited by Portlock, from the 
Irish Lias . 
CLASS 
Species of Gen. Portlock’s List. 
! Acrodus minimus, Ag. 
S sp. Portlock 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 dr 3 B. 
! Ammonites Bucklandi, Sow. 
! Ammonites multicostatus, Sow. (pars) 
! Ammonites Conybeari, Sow. 1 
! Ammonites striatulus, Sow. 
! Ammonites elegans ? Sow. 
! Ammonites lseviusculus ? Sow. 
! Ammonites subradiatus ? Sow. 
! Ammonites intermedius, Portl. 
! Ammonites Johnstoni, Sow. 
Ammonites Lamberti, Sozv. 
! Ammonites MacDonnelli, Portl. 
! Ammonites planorbis, Sow. 
S Ammonites Sampsoni, Portl. 
[Ammonites radians, Rein .] 
! Ammonites multicostatus, Sow. (pars) 
S Ammonites rotiformis, Sow. 
! Belemnites abbreviatus, Mill. 
Ammonites armatus, Sow. 
Ammonites Bucklandi, Sow. 
Ammonites Sauzeanus, D’ Orb, 
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. 
! Dentalium tenue, Portl . 
! Melania cf Bronni, Rom. 
! Trochus anglicus, Sow. 
[Trochus fasciatus ? Sow.} 
Turritella percincta, Portl. 
! Turritella tenuicostata, Portl. 
Cerithium gratum, Terq. 
Dentalium Portlocki, Tate. 
Turritella Dunkeri, Terq. 
Pleurotomaria similis, Sow. 
? Pleurotomaria similis, Sow. 
Cerithium percinctum, Portl. 
Cerithium tenuicostatum, Portl. 
