54 BULLETIN 104, UNITED STATES NATIONAL MUSEUM 



Genus FLOSCULINA Stache, 1880 



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



Special Publ. No. 1, Cushman Lab. Foram. Res., 1928, p. 226. 

 AlveoUna (part) of Authors. 



Genotype, by designation. — AlveoUna suhpyrenaica, var. glohosa 

 Leymerie. 



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 imperforate 

 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 



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

 Cushman, Special Publ. No. 1, Cushman Lab. Foram. Res., 1928, p. 226. 

 AlveoUna (part) of Authors. 

 Flosculina (part) of Authors. 



Genotype, by designation. — Flosculina hontangensis Rutten. 



Test differing from Flosculina in having more than one row of 

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

 smaller than those proximal to them. 



Oligocene and Miocene. 



Genus BORELIS Montfort, 1808 



Borelis Montfort, Conch. Syst., vol. 1, 1808, p. 171. — Cushman, Special 

 Publ. No. 1, Cushman Lab. Foram. Res., 1928, p. 226. 



Clausulus Montfort, Conch. Syst., vol. 1, 1808, p. 179 (genoholotype, 

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



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

 tion, Melonites sphaerica Lamarck). 



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

 Oryzaria boscii Defrance). 



Melonia Defrance, Diet. Sci. Nat., vol. 32, 1824, p. 176 (genotype, by 

 designation, Melonites sphaerica Lamarck). 



AlveoUna d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 306 (genotype, by des- 

 ignation, Oryzaria boscii Defrance). 



Genoholotype. — Borelis melonoides M.ontioTi = Nautilus melo Fitchel 

 and Moll (part). 



Test globular or fusiform, coiled planispirally about an axis, early 

 coils as well as later ones low; chambers divided into chamberlets; 

 apertures usually in a single row. 



Eocene to Recent. 



The single species from the West Indian region is all that is recorded 

 from this part of the Atlantic. Brady gives records from the Cape 

 Verde Islands, but I have not seen the material. 



