Manchester Memoirs, Vol. Ixii. (19 17) 



121 



one but specimens are frequently found in which the superior 

 surface is less convex than in my drawing. The species is not 

 rare, in fact is found in nearly all the samples of Marl examined. 



(The species is allied to the P. elegans, not to the P. men- 

 ardii group.) 



301A. [Pulvinulina menardii (d'Orbigny).] 



[Rotalia menardii, d'Orbigny, 1826, Ann. Sci. Nat., vol. VII, 



p. 273, No. 26, Modele No. 10. 

 Pulvinulina menardii, Brady, 1884, FC. p. 690, pi. CIII figs 



1-2.] 



301B. [Pulvinulina menardii, var. fimbriata, Brady.] 



[Pulvinulina menardii, var. fimbriata, Brady, 1884, FC. p. 691, 

 pi. CIII, fig. 3, a. b.] 



302. Pulvinulina crassa, (d'Orbigny.) 



Roialina crassa, d'Orbigny, 1840, Mem. Soc. Geol. France, vol. 



IV, p. 32, pi. Ill, figs. 7 -8. 

 Pulvinulina crassa, Brady, 1884, Chall. Rep., vol. IX, p. 694, 



pi. CIII, figs. 11-12. 



Rare. Three small specimens found in the Gathering taken 

 from the highest level of the beds. 



303. Pulvinulina karsteni, (Reuss.) 



Rotalia karsteni, Reuss, 1855, Zeitschr. d. deutsch. geol. 



Ges. vol. VII, p. 273, pi. IX, fig. 6. 

 Pulvinulina karsteni, Brady, 1884, Chall. Rep., vol. IX, p. 698, 

 pi. CV, figs. 8-9. 



Rather rare and variable and occurring somewhat irregu- 

 larly in the majority of the Gatherings. 



(Very few of the specimens can be regarded as typical.) 



304. Pulvinulina karsteni, var. parva. nov. 



Plate VII, fig. 5. 



Test, rotaliform, inferior surface flatter than the superior 

 one, periphery obtuse and entire; composed of three to three- 

 and-a-half whorls, the last of which consists of 9 or 10 segments, 

 sutures flush on superior, depressed on inferior surface, centre 

 of inferior surface occupied by a small but deep umbilical depres- 

 sion. Diam. .25 mm. 



