6 PKOCEEDINGS OP THE NATIONAL MUSEUM vol.75 



Genus MARGINULINA d'Orbigny, 1826 



MARGINULINA species 7 



Plate 3, figures 1 a-c 



There is a single megalospheric specimen somewhat irregular in | 

 shape which it has not seemed wise to definitely name at the present ' 

 time. A figure of it is given for future reference. 



Genus NODOSARIA Lamarck, 1812 



NODOSARIA SUBSTRIATULA Cushman 



Plate 3, figures 2, 3 



Nodosaria subcanaliculata H. B. Brady, Rep. Voy. Challenger, Zoology, 



vol. 9, 1884, p. 512, pi. 64, figs. 23, 24 (not Dentalina subcanaliculata 



Neugeboren). 

 Nodosaria substriatula Cushman, Proc, U. S. Nat. Mus., vol. 51, 1917, p. 



655; Bull. 100, U. S. Nat. Mus., vol. 4, 1921, p. 204, pi. 36, figs. 8, 9; pi. 



52, figs. 7-9. 



Test usually consisting of four chambers, the proloculum with a 

 globular body, an apical spine, and with definite longitudinal costae; 

 the second chamber much more elongate, flask shaped, with a long 

 neck, when partially covered by the third chamber becoming subcy- 

 lindrical, ornamented like the proloculum; third chamber still more 

 elongate, with a long neck, the surface ornamentation consisting of 

 short, broken, longitudinal striae; the fourth chamber similar but 

 remote, a large part of the neck between the two chambers visible; 

 final chamber with the apertural neck long and slender, smooth; the 

 apertural end with four or more flangelike costae extending up and 

 beyond the aperture and incurving somewhat over the aperture. 



Length 0.45 mm., diameter 0.15 mm. 



It is interesting to find this distinct species which is known to have 

 an Indo-Pacific distribution so far from the other records. No adult 

 with the four chambers was found, but the specimens with three 

 chambers figured here seem to be typical. 



Genus LAGENA Walker and Jacob, 1798 



LAGENA STRIATA (Montagu) 



Plate 3, figures 4 a, 6 



The form figured here is rare in the collection, and may be referred 

 to this species. 



LAGENA LAEVIGATA (?) Reuss 



Plate 3, figures 5 a,b 



The form figured sometimes has very slight striae near the base, 

 and the aperture as shown is not entirely symmetrical. 



