88 CRETACEOUS LAMELLIBEANCHIA. 



Other fiofured specimens are in Mr. Vicary's collection (pi. xxiii, fig. 7 — from Haldon, 

 not Blackdown as stated bj Lycett ; and pi. xxviii, fig. 4), and in Mr. Meyer's collec- 

 tion (pi. xl, figs. 3, 4). 



Distribution. — Greensand of Haldon, Kingskerswell, and near Weymouth. 

 Cenomanian of Dunscombe, Branscombe, and Beer Head (Meyer's Beds 10, 11 and 

 12) ; and of Pinhay (Bed 10). Base of Chalk Marl (zone of Schla'iihachia varians) 

 of Eggardon Hill, Chard, Chardstock, and Titherleigh (near Chard). 



TiUGONiA FiTTUNi, Deslunjes, 1842. 



Additional Synonym ij. 



186(5. TiiiGONiA FiTTONi, F. J. Pictet and G. Camjiiche. Foss. Terr. Crcl. Ste. 



Croix (Mater. Pal. Suisse, ser. 4), pp. 381, 386, 



pi. cxxviii, fig. 10. 

 1875. — — Lycett, p. 132, pi. xxiii, figs. 4, 5. 



1897. — — E. B. Newton. Proc. Dorset Nat. Hist, and Antiq. 



Field Club, vol. xviii, p. 96, pi. iii, fig. 15. 



Ti/pes. — In the Ecole des Mines, Paris, from the Albian of Le Gaty, Epothemont, 

 etc. (Aube). The specimens figured by Lycett are in the Museum of Practical 

 Geology, and in the Wiltshire Collection, Woodwardiau Museum. The example 

 figured by Newton is in the British Museum. 



Distrihufioii. — Gault (zone i) of Folkestone. Zone of HopUtes iiiferrtqjtiif^ of 

 Okeford Fitzpaine. 



Trigonia costigera, Lycett, 1879. 



1879. Lycett, p. 205, pi. xli, fig. 17. 



Ti/2^e. — In the Museum of Practical Geology. This is the only specimen seen ; 

 it is very imperfectly preserved. 



Diitributioit. — Cenomanian (Mej'er's Bed lO) of Dunscombe. 



TrIGuXIA I'KNNATA, HoiCevhlJ, 1811». 



A dd it io nal Si/ nonymy. 



1828. Trigonia pennata, Defrance. Diet. Sciences nat., vol. Iv, p. 297. 



1866. — — F. J. Pictet and G. Campiche. Foss. Terr. Crct. Ste. 



Croix (Mater. Pal. Suisse, ser. 4), p. 387. 

 1875. — — Lycett, p. 133, pi. xxiv, tigs. 4, 5 ; pi. xxxvii, fig. 4. 



