Dr. L. F. Spatli — Loiver Lias Ammonites from Shje. 173 



west of, but near to, the point Kudh' Achadh a' Chuirn (R), beds 

 A to A 8 to the north-east of the point, on the Ardnish shore. 



R 4. Beds below Grijphwa reefs, roadway from Sgiabain (Waterloo) 

 to point R, near last houses : — 



Epammonites cf. latisulcatus (Quenstedt) Schmidt. 



The new genus Epammonites is proposed for Arietites latisulcatus 

 (Quenstedt) Schmidt ("Die Arieten des Unt. Lias v. Harzburg," 

 Palaeontogr., vol. Ixi, 1914, p. 22, pi. iv, fig. 1), and includes e.g. 

 E. parthenope, E. isis, Reynes sp., and E. compressaries (Reynes non 

 Quenstedt). It is interpreted as a development parallel with the 

 contemporaneous true large Arnioceras of the ceratitoides group, 

 belonging to the Upper Coroniceras and gtmiendensis zones. £■.? 

 paolince, Reynes sp., connects the new genus both with Arnioceras 

 and the ancestral Ammonites, Bruguiere (here restricted to the group 

 of A. hisidcatus, Bruguiere in d'Orbigny, Pal. Frany., Ter. Jurass., 

 pi. xliii). Epammonites retains evolute whorls, but does not acquire 

 the stiff costation of Arnioceras. Paracoroniceras, gen. nov., 

 established for the group of A. gmuendensis, Oppel (Reynes, Monogr. 

 d. Ammon., 1879, pi. xvi, figs. 1, 2), though belonging to a closely 

 allied stock, tends to trigonal whorl-shape and involution. 

 R 3. Gryphcea beds, 12-20 feet (estimated vertical distance) below 



R, yielded no Ammonites. 

 R 2. Ammonitiferous shales, 6-10 feet below R and to the south- 

 west of the dyke at the point. Arnioceras spp. are recorded from 

 here by the Survey ; the less well-preserved examj^les of the 

 forms quoted below greatly resemble Arnioceras. 

 Epammonites aff. isis (Reynes). 



,, sp. n. aff. isis (Reynes). 



,, aff. schloenbachi (Reynes). 



At about the same horizon were found : — 

 Paracoroniceras cf. crossi (Wright). 

 JEtomoceras scipionianum (Orbigny). 

 ,, aff. personatum (Simpson). 



,, PSEUDOSTRI ARIES Sp. UOV. 



The last is a flattened personatus-Vike, form, with obscurely 

 sulcicarinate periphery and faint but close costation. The exact 

 bed containing these forms was not noted. 



R 1. A fragment of Paracoroniceras sp., apparently of the 

 gmuendense group, was found 15 inches above the isis bed, i.e. 

 about 5 to 9 feet below R. It is thus impossible to state whether 

 these higher beds belong to the scipionianus or the gmuendensis 

 zone. This is the 6rooA"'t-like fragment referred to before. 

 R. Dyke at the point, highest level. 



Ax 2. Reefs of micaceous shales, 10-12 feet below level R, on the 

 north-east side, beyond the last house : — ■ 

 jElomoceras scipionianum (Orbigny). 

 Arnioceras cf. acuticarinatum (Simpson). 



