712 MB. F. CHAPMAN ON THE BARGATE BEDS OF SURREY. [Nov. 1 894, 



79. Ceistellaria italica (Defrance). 



Saracenaria italica, Defrance, Diet. Sci. Nat. vol. xxxii. (1824) 

 p. 177, vol. xlvii. p. 344 ; Atlas Conch, pi. xiii. fig. 6. 



Oristellaria {Saracenaria) italica, d'Orbigny, Ann. Sci. Nat. 

 vol. vii. (1826) p. 293, no. 26 : Modeles nos. 19 & 85. 



O. italica, Brady, ' Challenger ' Rep. vol. ix. (1884) p. 544, 

 pi. lxviii. figs. 17, 18, 20-23. 



This form is known from Upper Cretaceous and Tertiary strata, 

 and as a recent form it is never found in very deep water. 



One specimen from the Pebble-beds, Littleton. 



80. Ceistellaria stjlcieera, Eeuss. 



C. mlcifera, Eeuss, Sitzungsb. Akad. Wissensch. Wien, vol. xlvi. 

 (1862) p. 74, pi. viii. fig. 9. 



Previously known from the Minimus-Thon of North Germany 

 and from the Gault at Folkestone (Eeuss) ; three specimens were 

 found in the Bargate Pebble-beds, Littleton. 



81. Cristellaria complanata, Eeuss. 



O. complanata, Eeuss, ' Verstein. bohm. Kreid.' pt.i. (1845) p. 33,. 

 pi. xiii. fig. 54; Eeuss, Sitzungsb. Akad. Wissensch. Wien, vol. xlvi. 

 (1862) p. 92, pi. xii. fig. 13. 



This species has been recorded from the Chalk of Bohemia, and 

 from the Gault of Folkestone and Montcley. 



One specimen from the Pebble-beds, Littleton. 



82. Cristellaria paeallela, Eeuss. 



C. parallela, Eeuss, Sitzungsb. Akad. Wissensch. Wien, vol. xlvi. 

 (1862) p. 67, pi. vii. figs. 1, 2. 



This species is known from the Upper Hils-Thon of North 

 Germany and from the Gault of France. 



One specimen from the Pebble-beds, Littleton. 



83. Cristellaria Schloenbachi, Eeuss. 



C. Schloenbachi, Eeuss, Sitzungsb. Akad. Wissensch. Wien, 

 vol. xlvi. (1862) p. 65, pi. vi. figs. 14, 15. 



This species was described by Eeuss from the Upper Hils-Thon 

 and Speeton Clay of North Germany. Dr. Brady records it from 

 deep-sea deposits at depths varying from 155 to 435 fathoms. 



Two specimens from the Pebble-beds, Littleton, and one from the 

 Pebble-beds, Halfpenny Lane, near St. Martha's Chapel, Chilworth. 



84. Cristellaria crepidula (Fichtel & Moll). 



Nautilus crepidula, F. & M., 'Test. Micr.' 1803, p. 107, pi. xix. 

 figs. g-i. 



Cristellaria crepidula, d'Orbigny, 'Foram. Cuba,' 1839, p. 64, 

 pi. viii. figs. 17, 18; Brady, 'Challenger' Eep. vol. ix. (1884) 

 p. 542, pi. lxvii. figs. 17, 19, 20, pi. lxviii. figs. 1, 2. 



This species has been obtained from beds as old as the Lias, and 



