150 FORAMINIFERA 



Genus HAUERINA d'Orbigny, 1839 

 Plate 17, figure 14; plate 19, figure 5 



Genoholotype, Hauerina compressa d'Orbigny 



Hauerina d'Orbigny, in De la Sacra, Hist. Fis. Pol. Nat. Cuba, 1839, 



"Foraminiferes", p. xxxviii. 

 Heterillina Munier-Chalmas and Schlumberger, Bull. Soc. Geol. 



France, ser. 4, vol. 5, 1905, p. 131 (genotype, by designation, H. 



guespellensis Schlumberger) . 



Test with the early chambers quinqueloculine, later ones more 

 or less in one plane, making a half coil, later in some species 

 gradually shortening so that more than two make up one coil; 

 aperture cribrate. 



Tertiary and Recent. 



Genus SIGMOILINA Schlumberger, 1887 



Plate 17, figures 15, 16; plate 19, figure 8 

 Genotype, by designation, Planispirina sigmoidea H. B. Brady 



Sigmoilina Schlumberger, Bull. Soc. Zool. France, vol. 12, 1887, p. 118. 

 Spiroloculina (part) Costa (not d'Orbigny), Mem. Accad. Sci. Napoli, 



vol. 2, 1855 (1857), p. 126. 

 Planispirina (part) H. B. Brady (not Seguenza), Rep. Voy. Challenger, 



Zoology, vol. 9, 1884, p. 197. 



Test with the early chambers quinqueloculine, later ones added 

 in planes slightly more than 180° from one another making a 

 continuously revolving spiral and in transverse section produc- 

 ing a sigmoid appearance ; aperture simple with a simple tooth ; 

 exterior very often with a superficial layer of arenaceous 

 material. 



Tertiary and Recent. 



Genus ARTICULINA d'Orbigny, 1826 

 Plate 18,. figure 1; plate 19, figure 6 



Genoholotype, ArticuUna nitida d'Orbigny 



Articulina d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 300. 

 Nautilus Batsch (not Linne), Conch, des Seesandes, 1791, p. 3. 

 Vertehralina (part) Parker, Jones and H. B. Brady (not d'Orbigny), 

 Ann. Mag. Nat. Hist., ser. 3, vol. 16, 1865, p. 22. 



Test with the early chambers quinqueloculine or triloculine, 



