EXPLANATION OF PLATE 72 (LXXII) 



Figs. 1-3, X 45-60; Figs. 4, 12-15, 19, X 50; Figs. 5, 6, X 45; Figs. 7, 8, X 25; Fig. 9, X 18; 

 Fig. 10, X 25; Figs. 11, 16, 17, 20, X 40; Fig. 18, X 18. 

 Figures 1-3. — Pyrulina angusta (Egger). 



Fig. 1. Challenger Sta. 332, South Atlantic. (2200 fathoms) 

 Fig. 2. Challenger Sta. 346, South Atlantic. (2350 fathoms) 

 Fig. 3. Challenger Sta. 300, N. of Juan Fernandez. (1375 fathoms) 

 Referred by Brady to Polymorphina, and as such recorded by Earland from the "Discovery" collections. 

 Figure 4. — Pyrulina fusiformis (Roemer). 



Porcupine Sta. 2, West of Ireland, Atlantic. 

 Referred by Brady to Polymorphina sororia Reuss var. cuspidata Brady, and placed in the synonymy of 

 P. fusiformis (Roemer) by Cushman and Ozawa (Proc. U.S.N.M., Vol. 77, Art. 6, 1930, p. 55). 

 Figures 5, 6. — Pyrulina cylindroides (Roemer). 



Fig. 5. Challenger Sta. 296, South Pacific. (1825 fathoms) 

 Fig. 6. Challenger Sta. 146, Southern Ocean. (1375 fathoms) 

 Referred by Brady to Polymorphina lanceolata Reuss and by Thalmann (Eclog. geol. Helvet., Vol. 25, Pt. 

 2, 1932, p. 306) to Pyrulina cylindroides (Roemer). 

 Figures 7, 8. — P seudopolymorphina ovalis Cushman and Ozawa. 

 Challenger Sta. 24, West Indies. (390 fathoms) 

 Referred by Brady to Polymorphina ovata d'Orbigny, and by Cushman and Ozawa (Proc. U.S.N.M., Vol. 

 77, Art. 6, 1930, p. 103) to P seudopolymorphina ovalis, nom. nov. for Polymorphina ovata d'Orbigny 1846, 

 non d'Orbigny 1826. 

 Figures 9-11. — P seudopolymorphina ligua (Roemer). 



Figs. 9, 10. Challenger Sta. 162, Bass Strait, Pacific. (38-40 fathoms) 

 Fig. 11. Dog's Bay, Connemara, Ireland. 

 Referred by Brady to Polymorphina compressa d'Orbigny 1846, which, according to Cushman and Ozawa 

 (Proc. U.S.N.M., Vol. 77, Art. 6, 1930, p. 89) is a synonym of P seudopolymorphina ligua (Roemer 1838). 

 Figure 12. — Sigmoidella elegantissima (Parker and Jones) var. nov., Thalmann. 

 Challenger Sta. 192, Ki Islands, Pacific. (129 fathoms) 

 Fig. 12b. Challenger Sta. 162, Bass Strait, Pacific. (38-40 fathoms) 

 Referred by Brady to Polymorphina, and to a new variety by Thalmann (Eclog. geol. Helvet., Vol. 25, 

 No. 2, 1932, p. 306). 

 Figure 13. — Sigmoidella elegantissima (Parker and Jones). 



Challenger Sta. 185, Torres Strait, Pacific. (155 fathoms) 

 Referred by Brady to Polymorphina and by Thalmann to Sigmoidella. 

 Figures 14, 15. — Guttulina (Sigmoidina) pacifica (Cushman and Ozawa). 

 Challenger Sta. 192, Ki Islands, Pacific. (129 fathoms) 

 Referred by Brady to Polymorphina elegantissima Parker and Jones, and to Guttulina (Sigmoidina) pacifica 

 (Cushman and Ozawa) by Thalmann (Eclog. geol. Helvet., Vol. 25, No. 2, 1932, p. 306). 

 Figures 16, 17. — Guttulina (Sigmoidina) seguenzana (Brady). 

 Challenger Sta. 192, Ki Islands, Pacific. (129 fathoms) 

 Referred by Brady to Polymorphina and transferred by Cushman and Ozawa (Proc. U.S.N.M., Vol. 77, 

 Art. 6, 1930, p. 50) to Guttulina (Sigmoidina). 

 Figure 18. — Guttulina dawsoni Cushman and Ozawa. 



Challenger Sta. 162, Bass Strait, Pacific. (38-40 fathoms) 

 Referred by Brady to Polymorphina thouini d'Orbigny and by Thalmann (Eclog. geol. Helvet., Vol. 25, 

 No. 2, 1932, p. 306) to Guttulina dawsoni. 

 Figures 19, 20. — Guttulina problema d'Orbigny. 



Challenger Sta. 162, Bass Strait, Pacific. (38-40 fathoms) 

 Fig. 19 was referred to Polymorphina communis (d'Orbigny) and fig. 20 to Polymorphina problema (d'Orbig- 

 ny), but Cushman and Ozawa (Proc, U.S.N.M., Vol. 77, Art. 6, 1930, p. 20) have placed communis in the 

 synonymy of Guttulina problema d'Orbigny. 



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