248 Frof. J. W. Gregory — Fossil Echinoidea 



3. Hemiaster blanckenhorni, Gauthier, 1900, 



In Fourtau: Notes E'ch. foss. E'g}i)te, p. 23, pi. i, figs. 11, 12. 



I 3796 includes one crushed specimen from the eastern end of 

 the Cretaceous area, near Abu Roash village. 



4. Hemiaster africanus, Coquand, 1862. 



Geol. Pal. S. Prov. Constantiue: Mem. Soc. E'mul. Provence, vol. ii, p. 247, 



pi. XXV, figs. 10-12. 

 Cotteau, Peron, & Gauthier: E'ch. foss. Alger., fasc. 6 (1879), p. 58. 



Distribution. — Turonian : Batna, etc., Algeria. Cenomanian : 

 Cephalopod bed, head of Wadi Ethal, Sinai. L 3918. Collected by 

 the late T. Barron, Esq.; also side of Jebel Ejjibi, near Ain el 

 Hudhera. L 3480. 



5. Hemiaster nicatsei, Coquand, 1862. 



Geol. Pal. S. Prov. Constantine: Mem. Soc. E'mul. Provence, vol. ii, p. 326, 

 pi. XXV, figs. 22, 23. 



Distribution. — Cenomanian : Algeria (Aumale, Berouaguiah). 

 Cenomanian (?) : Cephalopod bed, head of Wadi Ethal, Sinai. 

 L 3918. Collected by the late T. Barron, Esq. 



6. Hemiaster chauveneti, Peron & Gauthier, 1878. 

 E'ch. foss. Algerie, fasc. 4, p. 135, pi. viii, figs. 1-5. 



Distribution. — Cenomanian : Algeria. Marls at Wadi Eagga, Sinai. 

 L 1223. Collected by the late T. Barron, Esq. 



7. Hemiaster saadensis, Peron & Gauthier, 1878. 

 E'ch. foss. Algerie, fasc. 4, p. 125, pi. vi, figs. 1-4. 



Distribution. — Cenomanian — Algerian: Bou Saada. Marls at Wadi 

 Ragga, Sinai. L 4223. Collected by the late T. Barron, Esq. 



8. Hemiaster jullieni, Peron & Gauthier, 1878. 

 E'ch. foss. Algerie, fasc. 4, p. 124, pi. v, figs. 8-11. 



Distribution. — Cenomanian (Rhotomagian) : Algeria (Krenchela). 

 Marls at Wadi Ragga, Sinai. L 4223. Collected by the late 

 T. Barron, Esq. 



9. Hemiaster battnensis, Coquand, 1862. 



Geol. Pal. S. Prov. Constantine: Mem. Soc. E'mul. Provence, vol. ii, p. 248, 



pi. xxvi, figs. 6-8. 

 Synonymy, see Cotteau, Peron, & Gauthier: E'ch. foss. Algerie, fasc. 4 (187S), p. 118. 



Distribution. — Cenomanian : Algeria. Cephalopod bed, head of 

 Wadi Ethal, Sinai. L 3918. Collected by the late T. Barron, Esq. 



LINTHIA, Merian, 1853. 



1. ?LiNTHiA ROACHENSis (Gauthior), 1900. 



In Fourtau: Notes E'ch. foss. E'gypte, p. 24, pi. i, figs. 13-15. 

 Linthia roachensis, Dacque, 1903:' Palajontogr., vol. xxx, p. 357. 

 Hemiaster lusitanicus, de Loriol, 1883: ibid., vol. xxx, p. 39. 



