PLATE XIX. 



Fig. 



1, 1, a, b. Trigonia Damoniana, De Lor. Liternal moulds. Portland Oolite, 



Swindon, Wilts. (Page 88.) 



2, „ gihhosa. Sow. Variety ; see also fig. 4, Plate XVIIL Portland 



Oolite, Tisbury. (Page 84.) 



3, 4, 4, a, h. „ Manseli, Lye. Portland Oolite, Isle of Portland. (Page 86.) 



