DIASTOPOEA. 121 



The nearest Cretaceous ally of this species is D. marginata 

 (D'Orb.), 1 in which the zooecia are even more scattered and 

 irregular. 



LIST OF SPECIMENS. 



D. 2151, D. 2152. Cornbrash. Thornboro', Bucks. Brodie Coll. 



ID. 2150. 



D. 2222. Great Oolite. Loc. ? 



D. 5. Inferior Oolite. Loc. ? Holl Coll. Figd. PI. VI. Fig. 4. 



D. 2148, D. 2147. Inferior Oolite. Near Leckharnpton. Brodie Coll. 



D. 8. (Form mettensis, Haime.) Inferior Oolite. Bredon, Worcester- 



shire. Holl Coll. 



B. 4836. Lower Oolite. Loc. ? 



60039,60217,60222. Bathonian Calcaire a polypiers. Ranville. Tesson Coll. 



60351. Bathonian Calcaire a polypiers. Ranville. Tesson Coll. 



B. 4523. 



D. 2220. Young specimen. Bathonian Calcaire a polypiers. Ranville. 

 Tesson Coll. 



B. 4565. (Form eudcsiana.} ,, ,, ,, ,, 



Tesson Coll. 



B. 4567. (Form eudesiana.} (With D. lamourouxi.) Bathonian Calcaire a 

 polypiers. Ranville. Tesson Coll. 



B. 4839. (Form eudesiana.) Bathonian. Boulogne. Wright Coll. 



2. Diastopora davidsoni, Haime, 1854. 



SYNONYMY : 

 Diastopora davidsoni, Haime, 1854, Bry. jurass. : Mem. Soc. geol. France, ser. 2, 



t. v. p. 185, pi. viii. fig. 9. 

 ,, ,, Vine, 1883, 3rd Rep. Foss. Polyz. : Rep. Brit. Assoc. 



1882, p. 264. 



,, Vine, 1884, 4th Rep. Foss. Polyz. : ibid. 1883, p. 188. 



,, ,, Vine, 1887, Jur. Polyz. Northptn. : Journ. Northptn. Nat. 



Hist. Soc. vol. iv. p. 207, pi. i. figs. 17-19. 



,, Woods, 1891, Cat. Type Foss. Woodw. Mus. p. 46. 



,, ,, Gregory, 1896, Rev. pt. iv. : Ann. Mag. Nat. Hist. ser. 6, 



vol. xvii. p. 153. 



,, wrighti, Haime, 1854, op. cit. p. 186, pi. viii. fig. 5. 

 ,, E. E. Deslongchamps, 1857, Syst. ool. inf. Calvados : Bull. 



Soc. linn. Norm. t. ii. p. 328. 



1 Mesenteripora marginata, D'Orb., Pal. fran9 Terr. cret. t. v. p. 809, 

 pi. Dcclxxxv. figs. 1-3. 



