706 1EE. F. CHAPMAN ON THE BARGATE BEDS OF STTBKEY. [Nov. 1 894, 



Bargate limestone from Littleton ; it is distinguished by its lengthened 

 tubular (ectosolenian) neck. 



52. Lagena acuticosta, Reuss. 



L. acuticosta, Reuss, Sitzungsb. Akad. "Wissensch. Wien, vol. xliv. 

 (1861) p. 305, pi. i. fig. 4; Brady, 'Challenger' Rep. vol. ix. 

 (1884) p. 464, pi. lviii. fig. 21 ; Chapman, Journ. Roy. Micr. Soc. 

 1893, p. 583, pi. viii. fig. 12 a, b. 



This species has been recorded as a fossil from the Gault of 

 Folkestone, the Maestricht Chalk, and the Septarien-Thon of 

 Pietzpuhl. 



A very neat but typical specimen comes from the Bargate 

 Pebble-beds, Littleton. 



53. Lagena Meyeriana, Bp. nov. (PI. XXXIV. fig. 7 a, b.) 



Test subpyriform and somewhat compressed on two sides. The 

 flattened faces each bear a loop-shaped carina, which is slightly 

 bent inward towards the aboral end of the test. The oral end 

 gives a subrectangular section, with the carinse disposed diagonally 

 and ending a little short of the aperture. The aperture is circular, 

 but the neck is entosolenian. Length y|- inch (0*21 mm.) ; longer 

 diameter -j-^ inch (0*14 mm.) ; shorter diameter -^ro mcn (O'l mm 0« 



I have much pleasure in naming this elegant little species after 

 Mr. C. J. A. Meyer, F.G.S., who has contributed so largely to our 

 knowledge of the Lower Greensand strata, and especially of the 

 Bargate Pebble- and Stone-beds. 



One specimen from clay of Pebble-beds, Littleton. 



Subfamily Nodosakio^;. 

 Nodosaeia, Lamarck. 



54. Nodosabia (Dentalina) bbevis, d'Orbigny. 



Dentalina brevis, d'Orbigny, ' Foram. Foss. Vienne,' 1846, p. 49, 

 pi. ii. figs. 9, 10. 



This form has been recorded as a fossil from the Upper Lias of 

 Northampton, 1 from the Red Chalk of Speeton, 2 and from many 

 Tertiary beds. 



One specimen from Bargate Pebble-beds, Littleton. 



55. Nodosaria (Dentalina) Roemeei, Neugeboren. 



Dentalina Boemeri, Neugeboren, Denkschr. Akad. Wissensch. 

 Wien, vol. xii. (1856) p. 82, pi. ii. figs. 13-17. 



This form is characterized by a short, stout test, with obliquely-set 

 chambers. 



Two small-sized specimens from the Pebble-beds, Littleton. 



1 W. D. Crick & O. D. Sherborn, Journ. Northampt. Nat. Hist. Soc. 

 vol. vii. (1892) p. 69, pi. ii. figs. 6, 7. 



2 Burrows, Sherborn, & Bailey, Journ. Roy. Micr. Soc. 1890, p. 557, 

 pi. ix. fig. 28. 



