1922 



TYPE AMMOMJT-S - IV 



(CCLIII i; 



Fi-. I 



V\i 



Fisr. la 



Fis- 2a 



Fig. 2b 



Ammonites triplicatu? 



^Swindon, Wiltshire. Portlandian' : Lydite Bed. white. T'pper L.B. 



J. \V. Tutcher Coll. : S. 33-5. 41. 30, 27 ; 31 ribs 



?• 53. 34- 39(34)- 3<^ : ^<> ribs; EL. 33, Li. 43. L2. 25 at 14 mm. 



LYDISTRATITES LYDITICUS, xov. 

 Paravirgatitan. lyditiciis ; Paratvpe 



