﻿CRETACEOUS BRACHIOPODA. 



31 



the fact that specimens of T. striata from the Upper Greensand of Warminster present 

 both rounded and indented fronts. This does not, however, appear to be quite 

 constant. The beak is also more inflated and the foramen larger. 



This variety occurs in the Bargate Stone (Upper Neocomian) of Guildford and 

 Godalming in Surrey. 



*27. Terebratulina Martiniana, D'Orb. Dav., Cret. Mon., PL II, fig. 26. 



Terebratulina Davidsoni, Boll. Die Brach. Kreidform. in Mecklenburg Neu- 



brandenb., p. 37, 1856. 

 — Striata, Dav. Cret. Mon., p. 37, pi. ii, fig. 26, 1852. 



Dr. U. Schloenbach, in his ' Beitrage zur Palaont. Jura- und Kreide-Formation,' 

 p. 10, 1866, considers my fig. 26 to be referable to Terebratulina Martiniana, D'Orb. ; 

 and after a comparison of several foreign typical examples with the one found by 

 Mr. Bean in the Speeton Clay of Knapton, in Yorkshire, I am inclined to admit 

 the correctness of the view he has expressed. 



Dr. Schloenbach gives the following synonyma : 



Terebratulina Martiniana, D'Orb. Terr. Cret., vol. iv, p. 59, pi. 502, figs. 8, 12, 



1847. 



— striata, Dav. Cret. Mon., p. 37, pi. ii, fig. 26, 1852. 



— Martiniana, Stromb. Zeitscbr. g. G., xiii, pp. 44, 19, 53, 56, 



1861. 



— — Credner. Zeitschr. g. G., xvii, p. 247, 1865. 



It is a shorter shell than T. striata, and broader anteriorly. D'Orbigny's 

 specimens are stated to have been obtained from the Gault of the Geule d'Enfer, near 

 Martignes (Bouches du Rhone), and Ravoix, near Villars de Lans (Isere). According 

 to Mr. Meyer it occurs at the base of the Red Chalk at Speeton. I will, however, 

 answer for the specimen only that was found at Knapton. A search for more examples 

 would be very desirable. 



28. Terebratulina gracilis, Schloth. Dav., Cret. Mon., PL II, figs. 13, 14, 15 (not 



16 and 17). 



Terebratulina gracilis, Schloth. Leonhard's Taschenb., vii, p. 112, pi. hi, fig. 3, 



1813. 



In the work already alluded to Dr. Schloenbach insists that T. gracilis, Schloth., and 



