30 PEOCEEDINGS OF THE NATIONAL MUSEUM vol.80 



DENTALINA LEGUMEN (Reuss) 



Plate 9, Fiqxjbe 9 



Nodosaria legumen Reuss, Versteiu. Bohm. Kreide, pt. 1, p. 28, pi. 13, figs. 23, 

 24, 1845^6; in Geinitz, Palaeontograpliica, vol. 20, pt, 2, p. 88, pi. 20, fig. 

 22, 1874.— Fkankb, Abh. geol. pal. Inst. Univ. Greifswald, vol. 6, p. 32, pi. 3, 

 fig. 6, 1925. 

 Dentalina legumen Reuss, Haidinger's Naturw. Abh., vol. 4, pt, 1, p. 26, pi. 

 1, fig, 14, 1851 ; Sitz. Akad. Wiss. Wien, vol. 40, p. 187, pi. 3, fig. 5, I860.— 

 Franke, Abh. Preuss. Geol. Landes., new ser., vol. Ill, p. 27, pi, 2, fig, 23, 

 1928. 

 Test elongate, slender, tapering, slightly curved; chambers distinct, 

 inflated, increasing rather rapidly in size as added, apertural end 

 much extended with an elongate neck, initial chamber rounded or 

 with a single short spine; sutures distinct, depressed, oblique; wall 

 smooth; aperture radiate at the end of an elongate neck. Length, 

 0.75-0.9 ; breadth, 0.1-0.2 mm. 



This common European Cretaceous species occurs in Trinidad and 

 in the various portions of the Gulf Coastal Plain of the United 

 States. 



DENTALINA CONFLUENS Reuss 



Plate 9, Fiqubes 10-12 



Dentalina confluens Rextss, Sitz. Akad. Wiss. Wien, vol. 44. pt. 1. p. 335, pi. 7, 

 fig. 5, 1861 (1862). 



Test elongate, slightlj'^ tapering, the early portion often somewhat 

 compressed; later chambers becoming inflated and distinct; sutures 

 depressed, especially in the later portion; wall ornamented by numer- 

 ous rather coarse longitudinal costae, those of the early portion par- 

 ticularly, continuous over adjacent chambers and often somewhat 

 oblique, later ones often broken at the sutures ; aperture at the end of 

 a distinct neck, radiate. Length, 2-2.8 ; diameter, 0.5-0.6 mm. 



Two distinct forms are shown in the figures. The more elongate 

 form with the somewhat twisted costae at the base is much more like 

 the original figure of Reuss, but the other form occurs with this, 

 and it seems that the two should be included together as variants of 

 one species. 



DENTALINA ANNULATA (Reuss) 

 Plate 10, Figueb 1 



Nodosaria annulatn Reuss, Geogu. Skizze Bohmen, vol. 2, pt. 1, p. 210, 1844; 



Verstein. Bohm. Kreide, pt. 1, p. 27, pi. 8, figs. 4, 67 ; pi. 13, fig, 21, 1845-46 ; 



in Geinitz, Palaeontographica, vol, 20, pt. 2, p. 85, pi. 20, figs. 19, 20, 1874. 

 Dentalina annulata Reuss, in Alth, Haidinger's Naturw. Abh., vol. 3, pt. 2, 



p. 269, pi. 13, fig. 29, 1850 ; vol. 4, pt. 1, p. 26, pi. 1, fig. 13, 1851.— Feanke, 



Abh. Prouss. Geol. Landes., vol. Ill, p. 34, pi. 2, figs. 34, 35, 1928. 

 Dentalina cf. adolphina Cushman and Jaevis (not d'Orbigny), Contr. Cushman 



Lab. Foram. Res., vol. 4, p. 97, pi, 14, fig. 6, 1928. 



