64 PEOBOSCINA. 



2. Proboscina jacquoti, Haime, 1854. 



SYNONYMY : 

 Proboscina jacquoti, Haime, 1854, Bry. jurass. : Mem. Soc. geol. France, 



ser. 2, t. v. p. 169, pi. vii. figs. 5a-b. 



Pictet, 1857, Traite Pal. ed. 2, t. iv. p. 144. 



,, ,, Ferry, 1862, Etage Bajoc. : M4m. Soc. linn. Norm. t. xii. 



p. 30. 

 ,, ,, "Waagen, 1868, Zone Amm. sowerbyi: Geogn. Pal. Beitr. 



Bd. i. p. 647. 

 ,, ,, Brauns, 1879, Bry. mittl. Jura Metz: Zeit. deut. geol. Ges. 



Bd. xxxi. p. 324. 

 ,, ,, Vine, 1883, 3rd Eep. Foss. Polyz. : Rep. Brit. Assoc. 



1882, p. 264. 

 Friren, 1893, Bry. ool. inf. Metz : Bull. Soc. Hist. nat. 



Metz, ser. 2, t. vi. p. 45. 

 ,, Gregory, 1895, Eev. pt. ii. : Ann. Mag. Nat. Hist. 



ser. 6, vol. xvi. p. 448. 

 Stomatopora (P.) jacquoti, Vine, 1884, 4th Eep. Foss. Polyz. : Rep. Brit. 



Assoc. 1883, p. 186. 



Reptotubig era jacquoti, Terquem, 1855, Pal. dep. Moselle (sep. copy), p. 28. 

 ,, ,, Terquem, 1868, in Jacquot, Descr. geol. min. dep. Moselle, 



p. 292. 

 Proboscina thrapstonensis, Vine, 1893, Polyz. Thrapston : Proc. Jorks. Geol. 



Soc. vol. xii. p. 257, pi. xii. fig. 6. 

 ,, ornata, Vine, 1893, Polyz. Thrapston : ibid. p. 257, pi. xiii. fig. 10. 



DIAGNOSIS : 



Zoarium consisting of two or more flabellate expansions arising 

 from a narrow stolon-like band of zooecia. 



Zocecia long, cylindrical, irregularly placed. In the typical 

 form from one to five zocecia in each branch. In some forms 

 (var. expansa) spreading out into multiserial Berenicea-\\kQ sheets, 

 which are fenestrate. 



Peristomes raised ; irregularly arranged. 



Gonocysts large, hemispherical. Irregularly distributed. 



Formula. p, c, I, r = 2, 0, 3, 1-12. 



DISTRIBUTION. 



ENGLAND : , 



Cornbrash: Thrapston, Northamptonshire. 

 Inferior Oolite : near Leckhampton. 

 FOREIGN : 



Bajocian Calcaire a T. phillipsi : Tramayes, near Ma9on (fide Ferry). 

 Ars-sur- Moselle, Plappeville, and Montvaux (fide Terquem and 



Friren) . 

 Zone of Sonninia sowerbyi : Gingen, "VViirtemberg (fide Waagen). 



