﻿166 ME. 11. B. NEWTON ON THE [Feb. 1905, 



Represented by a beautifully- weathered example on the limestone- 

 matrix, associated with Solarium cf. canaliculatum and a coral, 

 probably Galamophyttia Ai/lmeri, Gregory. 



This form differs from Liotina (Delphinida) jimbriata, Deshayes, 

 from the Paris-Basin Eocene, which it somewhat resembles in 

 sculpture, by its much smaller trellised ornamentation, caused by 

 the greater number of spiral and longitudinal costae. A minute 

 tuberculation is also apparent in the ornamentation, which is caused 

 by a thickening at the junctions of the two sets of costse. The 

 spire consists of five or six whorls, the last of which has a height at 

 the aperture of 8 millimetres, or nearly three times that of the 

 succeeding one. 



Locality. — Top of Garrasgooi Mountain, 5200 feet above sea- 

 level, south-west of Upper Sheikh. 



Collector. — Major li. G. Edwards Leckie. 



Matrix. — Heavy cherty limestone, reddish-brown externally. 



Indeterminable Gastropoda. 



Among Major Leckie's fossils from the limestones of Garrasgooi 

 are some further forms of gastropods which, although possessing a 

 certain Eocene facies, are unfortunately not capable of identification. 

 These include natural casts of a Trophon (?) ; Turritella, showing 

 two elongate whorls of a large species ; and a Conns resembling 

 somewhat C. deperditus of Bruguiere, or C. diversiformis of Deshayes, 

 from the English and Continental Eocene deposits, or the Indian 

 (Cutch) species C. militaris. figured and described by J. de C. 

 Sowerby, 1 from beds of similar age. 



Locality. — Garrasgooi, 3 miles south-west of Upper Sheikh. 



Collector. — Major R. G. Edwards Leckie. 



Matrix. — A light-coloured limestone, and found below the more 

 cherty rock containing Liotina somaliensis and other fossils. 



(b) Lamellibranchia. 

 Alectryonia cf. Maetinsi (dArchiac). (PI. XX, figs. 1 & 2.) 



Ostrea orbicularis, J. de C. Sowerb}', Trans. Geol. Soc. ser. 2, vol. v (1840) 



pi. xxiv, fig. 8; uon Linnaeus. 

 Ostrea 31artinsii,A. d'Arehiac, ' Descr. Foss. Groupe Nummul.' Mem. Soc. Geol. 



Prance, ser. 2, vol. iii, pt. ii (1850) p. 438 & pi. xiii, fig. 25. 

 Ostrea Alectryonia Martinsi, Frauseher, Denksehr. d. k. Akad. Wissenscli. Wien, 



vol. li (1886) pt. ii, p. 68 & pi. iii, figs. 4-6. 

 Alectri/ouia rectangular is, R. B. Newton in Gregoiy, Quart. Journ. Geol. Soc. 



vol. lvi (1900) p. 43 ; non Roomer. 

 Ostrea (Alectryonia) semipectinata, Schafhaeutl in Oppenheim, Palseontographica, 



vol. x.\x, pt. iii (1903) p. 43. 



This specimen was previously regarded by me as a Cretaceous 

 shell, under the name of A. rectangidaris of Roemer, but re- 

 examination shows that its true place is in close association with 

 Alectryonia Martinsi, originally described by J. de C. Sowerby from 

 the jSFummulitic formation of India under the pre-occupied name 



1 Trans. Geol. Soc. ser. 2, vol. v (1840) pi. xxvi, fig. 34. 



