638 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 5(j. 



figures and the material I have had, it seems to be a species widely 

 distributed in the Indo-Pacific. 



Genus HAUERINA d'Orbigny, 1848. 



HAUERINA FRAGILISSIMA (H. B. Brady). 



Spiroloculina fragilissima H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 



1884, p. 149, pi. 9, figs. 12-14. 

 Hauerina fragilissima Millett, Joum. Roy. Micr. Soc, 1898, p. 610, pi. 13, figs. 



8-10.— CusHMAN, Bull. 71, U. S. Nat. Mus., pt. 6, 1917, p. 64, pi. 24, fig. 4. 



There is a single specimen which is evidently the young of this 

 species, although the aperture is not cribrate. The surface is very 

 smooth and polished, very thin, and the edge rounded. The records 

 for this species are all from this general region. 



Genus TRILOCULINA d'Orbigny, 1826. 



TRILOCULINA TRIGONULA (Lamarck). 



Miliolites trigonula Lamarck, Ann. du Mus., vol. 5, 1804, p, 351, No. 3. 

 Triloculina trigonula d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 299, No. 1, 



pi. 16, figs. 5-9.— CusHMAN, Bull. 71, U. S. Nat. Mus., pt. 6, 1917, p. 65, pi. 25, 



fig. 3. 

 Miliolina trigonula Williamson, Rec. Foram. Great Britain, 1858, p. 83, pi. 7, 



figs. 180-182.— H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 164, 



pi. 3, figs. 14-16. 



There are a few specimens which are t}q^ical of this species. 



TRILOCULINA TRICARINATA d'Orbigny. 



Triloculina tricarinata d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 299, No. 7. — 

 CusHMAN, Bull. 71, U. S. Nat. Mus., pt. 6, 1917, p. 66, pi. 25, figs. 1, 2. 



Miliolina tricarinata H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, 

 p. 165, pi. 3, fig. 17a, b. — Sidebottom, Journ. Roy. Micr. Soc, 1918, p. 7. 



There are two specimens of this species, of the broad short form, in 

 which the breadth and the length are nearly equal. 



TRILOCULINA CIRCULARIS Eornemann. 



Triloculina drcularis Bornemann, Zeitschr. deutsch. geol. Ges., vol. 7, 1855, p. 



349, pi. 19, fig. 4.— CusHMAN, BuU. 71, U. S. Nat. Mus., pt. 6, 1917, p. 67, pi. 25, 



fig. 4; pl.26, fig. 1. 

 Miliolina drcularis H. B. Brady, Rep.? Voy. Challenger, Zoology, vol. 9, 1884, 



p. 169, pi. 4, fig. 3a-c; pi. 5, figs. 13, 14. — Chapman, Trans. New Zealand 



Instit.^ vol. 38, 1905, p. 81. — Sidebottom, Journ. Roy. Micr. Soc, 1918, p. 8. 



One or two specimens among those mounted are quite defmitely 

 this species, which is common in shallow and warm waters. 



TRILOCULINA OBLONGA (Montagu). 



Vermiculum oblongum Montagu, Test. Brit., 1803, p. 522, pi. 14, fig. 9. 

 Triloculina oblonga d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 300, No. 16.— 

 CusHMAN, Bull. 71, IT. S. Nat. Mua., pt. 6, 1917, p. 69, pi. 26, fig. 3. 



