50 Transactions of the Societi/. 



of the chambers results in a lobiilate peripheral ontliue. We are 

 figuring- this type from the West of Scotland. (H-A. & E. 1916, 

 F.W.S.^p. 269, pi. xlii. figs 29, 30 ) (M. and iP. as Hotalia nitida.) 



196. D. miUdtn Wrieht. (Eefs., H-A. & E. 1913, CI. p. 121.) I, f. ; II c. ; 



III, V/>, Vli, VIII, v.r. 



197. D. /.rmqeri Heron-Allen & Earland. (Refs., H-A. vl- E. 1915, F.K.A. 



p. 692.) I, c ; III, Vo, r. ; IV, VI, IX, v.r. 



198. D. rosacea (d'Orbiiiny). (Eefs., H-A. & E. 1915, F.K.A. p. 692.) 



Generally distributed. (M.) (P.) 



199. D. peruviana id'Orhivin^). (Eefs., H-A. l^' E. 1918, C.I. p. 122.) I, v.c. ; 



II, c. ; IV, f ; lil, r. ; Villa, v.r. 



200. D. mamiUa (Williamson). (Eefs., H-A. eS: E. 1915, F.K.A. p. 693.) 



Universally distributed. 



201. D. plaiwrhis (d'Orbigny). (Eefs., H-A. c^^ E. 1915, F.K.A. p. 693.) I, 



ni, VII, r. ; II, v.c. ; Va, Villi, v.r. ; X. 



202. D. turbo (d'Orbigny). (Eefs., H-A. & E. 1915, F.K.A. p. 693.) I, III, 



VII, IX, v.r. 

 208. D. barca'a Heron-AUen iV- Earland. (Eefs., H-A. & E. 1916, F.W.S. 271.) 

 Single specimens at Stations I, II, and Villa, common at Station 

 V, and rare but very fine at Station IX. 



204. D. orbicularis (Terquem). (Eefs., H-A. & E. 1915, F.K.A. p. 698.) 



Generally distributed. (M.) (P.) 



205. D. mediterranet,sis (d'Orbigny). (Eefs., H-A. & E. 1915, F.K.A. p. 693.) 



Universally distributed. At Station IV the specimens constituted 

 95 p c. of the material. 



206. D. irregularis Ehumbler. (Eefs., H-A. & E. 1913, C.I. p. 120.) I, v.r. ; 



II, c ; III, Va, f. ; IV, v.c. ; Villa, r. 



207. D.globularis (d'Orbignv). Plate VIII, figs. 8, 9. (Eefs., B. 1884, F.C. 



p. 643 ; H-A. & E. 1915, F.K.A. p. 694.) Univers dly distributed. 

 A very curiou.s twinned specimen, which we figure, was found at 

 Station 11. This is e^idently due to the fusion of two individuals 

 wliich had errown side by side attached to a common host. (M.) 

 (P.)(E.) 



208. D. tubercnlata Balkwill c^^ AVright. (Eefs., H-A. & E. 1915, F.K.A. 



p. 695.) A single typical specimen from Station I. 



209. D. j)olyrraphes Eeuss. (Eefs., H-A. & E. 1918, C.I. p. 128.) I, f. 



210. D. chasteri Heron-Allen i\: Earland. (Eefs., H-A. tV- E. 1915, F.K.A. 



p. 697.) I, c. ; IV, V, Villa, v.r. Both the circular and oval 

 types occur, the former predominating. 



211. D. chasteri var. bispinosa Heron- Allen & Earland. (H-A. & E. 1918, 



C.I. p. 129, pi. xiii. fig. 4.) I, v.r. 



212. D. vesicularis (Lamarck). (Eefs., B. 1884, F.C. p. 651. ; H-A. & E. 



1915, F.K.A. p. 697.) V, VIII, v.r. 



213. D. bertheloti d'Orbigny. (Eefs., H-A. A' E. 1908, etc. ; S.B. 1911, p. 327.) 



I, II, VII, v.r. At Station VII, a large infiltrated fossil specimen 

 similar to the Eocene specimens from Selsey Bill, and probably 

 derived from the same source as the Buliviina elongata noticed 

 supra. (P.) 



214. D. bertheloti var. baconica Hantken. Plate VIII, figs. 10-12. (New to 



Britain.) (Eefs., B. 1884, F.C. p. 651.) I, v.r. 



215. JD. pustulata ReTon- Allen ikEailand. (Eefs., H-A. & E. 1915, F.K.A. 



p. 701.) Moderately frequent and quite typical at Station I. 



