226 FORAMINIFERA 



apertures numerous, in one or more rows on the face of the 

 last-formed chamber. 



See, Altpeter, Beitrage zur Anatomie und Physiologie von 

 Alveolina (Marburg, 1911). 



Genus FLOSCULINA Stache, 1880 

 Plate 32, figures 15, 16 



Genotype, by designation, Alveolina subpyrevaica, var. globosa Leymerie 



Flosculina Stache, Verhandl. k. k. Geol. Reichs., 1880, p. 199. 

 Alveolina (part) of authors. 



Test globular or fusiform, planispiral; chambers completely 

 involute, divided into chamberlets, the early coils high and of 

 few chambers, later ones low and many chambered ; wall imper- 

 forate except in the very earliest chambers which are finely 

 perforate; apertures numerous, in a single row on the long 

 apertural face. 



Eocene. 



Genus FLOSCULINELLA Schubert, 1910 



Genotype, by designation, Flosculina bontangensis Rutten 



Flosculinella Schubert, Neues Jahrb., Beilage-Band 29, 1910, p. 533. 

 Alveolina (part) of authors. 

 Flosculina (part) of authors. 



Test differing from Flosculina in having more than one row 

 of chambers in the last-formed whorls; the outer added cham- 

 bers smaller than those proximal to them. 



Oligocene and Miocene. 



Genus BORELIS Montfort, 1808 

 Plate 32, figures 11-14 



Genoholotype, Borelis melonoides 'M.ontiort= Naiitilus melo Fichtel and 



Moll (part) 



Borelis Montfort, Conch. Syst., vol. 1, 1808, p. 171. 



Clausuhis Montfort, 1. c, p. 179 (genoholotype, Clausulus indicata 



Montfort = Nautilus melo Fichtel and Moll (part)). 

 Melonites Lamarck, Extrait Cours Zool., 1812, p. 122 (genotype, by 



designation, Melonites sphaerica Lamarck). 

 Oryzaria Defrance, Diet. Sci. Nat., vol. 16, 1820, p. 106 (genoholotype, 



Oryzaria boscii Defrance). 



