112 Prof. J. W. Gvegory — Fossil Corals from Egypt, etc. • 



Goniastrcea retiformis, Kluuzinger, 1879: Korallenth. roth. Meer., pt. iii, p. 36, 

 pi. iv, fig. 0. 



Distribution. — Eecent : Eed Sea, Indian and Pacific Oceans. 

 Fossil, Egypt : raised beach, 50 feet above sea-level, Jerasa, J 2032 ; 

 lower raised beach, north of Qosseir, J 2118; raised beach, east of 

 Gharib, J 2232. 



2. GoNiASTR^A PECTiNATA (Ehrenberg), 1834. 



Astrcea pectinata, Ehrenberg, 1834, Beitr. Corallenth : Abh. k. Akad. "Wiss. Berlin 



fill- 1832, p. 320. 

 Goniastrcea pectinata, Klunzinger, 1879 : Korallenth. roth. Meer., pt. iii, p. 34, 



pi. iv, fig. 6. 



Distribution. — Eecent : Eed Sea. Fossil, Pleistocene : lower 

 raised beach on coast plain, north of Qosseir, J 2119 ; raised 50 feet 

 beach, Jenisa, south of Jebel Zeit, J 1819. 



The specimen (J 1819) is of interest, as it shows one of these 

 cases in which some of the corallites of the same specimen would, 

 if found dissociated, be assigned to distinct genera. Part of the 

 surface is shown on PI. VII, Fig. 14. The narrow walled corallites 

 on the left side of the figure agree with G. pectinata ; but those in 

 which the calices are separated by wide valleys, so that even the 

 costfB of the adjacent corallites do not unite, have the form of Favih 

 ehrenbergi. 



Such occurrences show that the plasticity of the corals is such 

 that occasional abnormal polypes may suddenly acquire the 

 characters of another genus. 



3. GoNiASTEiEA FAvus (Forskal), 1775. 



Madreporafavus, Forskal, 1775: Descr. Anim. Itiu. Orient, p. 132. 

 Goniastraa favus, Klunziuger, 1879: Korallenth. roth. Meer., pt. iii, p. 35, pi. iv, 

 fig. 4 ; pi. X, fig. 7. 



Distribution. — Eecent : Eed Sea, Indian Ocean. Fossil, Pleistocene : 

 raised beach, 50 feet above sea-level, Jemsa, J 2032. 



SOLENASTE^A, Edwards & Haime, 1848. 

 1. SoLENASTR^A CHALciDicuM (Forskal) , 1775. (PL VII, Fig. 12.) 



Madrepora chaleidicum, Forskal, 1775: Descr. Anim. Itin. Orient., p. 136. 

 Gyphastrma chaleidicum, Kluuzinger, 1879: Korallenth. roth. Meer., pt. iii, p. 53, 

 pl.r, fig. 8; pi. X, fig. 11. 



Distribution. — Eecent : Eed Sea. Fossil, Pleistocene : raised 

 beaches near Qosseir. 



Figures. — PI. VII, Fig. 12, part of the surface of a worn corallum 

 of J 2140, from near Qosseir, by 2 diam. 



J 1633, a very altered specimen, but judging by the cellular 

 exotheca and rudimentary columella it is S. chaleidicum 

 rather than S. serailia, the alternative identification : Camp 4, 

 Wadi Hamrawein, north-west of Qosseir, Eastern Egypt. 



n 16336 : Camp 4, Wadi Hamrawein. 



H 1633e, a very weathered specimen, bored by Lithodomi : Camp 4, 

 Wadi Hamrawein. 



H 1633/: Camp 4, Wadi Hamrawein. 



