256 Transactions of the Society. 



pi. v. fig. 13 ; and Proc. California Acad, of Sci., ser. 3, Geol., vol. L. 

 p. 251, pi. xxx. fig. 3. 



This species is rather more plentiful than C. acutauricularis, , 

 and its distribution is much the same. 



Brady records notes of its occurrence in the North Atlantic 

 and the South Pacific. Silvestri has found it in the Mediterranean, 

 and Egger at Mauritius, West Australia, and New Guinea ; whilst 

 Flint adds the Gulf of Mexico to the list of localities. 



Cristellaria italica Defrance sp. 



Saracenaria italica Defrance, 1824, Diet. Sci. Nat., vol. xxxii.. 

 p. 177 ; 1827, vol. xlvii. p. 344 ; Atlas Conch., pi. xiii. fig. 6. 

 Cristellaria (Saracenaria) italica (Defr.) d'Orbigny, 1826, Ann. Sci.. 

 Nat., vol. vii. p. 293, No. 26 ; and Modeles, Nos. 19 and 85. C. 

 italica (Defr.) Sherborn and Chapman, 1886, Journ. E. Micr. Soc.,. 

 ser. 2, vol. vi. p. 754, pi. xv. fig. 23 ; pi. xvi. fig. 4. C. italica 

 (Defr.) Egger, 1893, Abhandl. k. bayer. Akad. Wiss., Cl. II. vol.. 

 xviii. p. 350, pi. xii. figs. 22, 23, 26, 40-42. C. italica (Defr.) 

 Chapman, 1894, Journ. E. Micr. Soc, p. 653, pi. x. fig. 10. C. 

 italica (Defr.) Fornasini, 1894, Mem. E. Accad. Sci. 1st. Bologna, 

 ser. 5, vol. iv. p. 219, pi. iii. fig. 8 ; and 1895, vol. v. p. 12, pi. iv.. 

 fig. 28. Idem, 1895, Palreont. Italica, vol. i. p. 145, pi. vii. fig. 10. 

 C. italica (Defr.) Flint, 1899, Eep. U.S. Nat. Mus. for 1897 (1899), 

 p. 316, pi. lxiii. fig. 6. 



In the Malay Archipelago this is a very rare form and has 

 been observed only at Station 12 in Area 1. 



To the numerous list of localities mentioned by Brady, Egger 

 adds West Australia ; and Flint records it from the coast of 

 Georgia and the Gulf of Mexico. 



Cristellaria variabilis Eeuss, plate V. fig. 1. 



Cristellaria variabilis Eeuss, 1849, Denkschr. k. Akad. Wiss.. 

 Wien, vol. i. p. 369, pi. xlvi. figs. 15, 16. C. variabilis (Eeuss) 

 Brady, Parker, and Jones, 1888, Trans. Zool. Soc, vol. xii. p. 224,. 

 pi. xliv. fig. 12. C. variabilis (Eeuss) Burrows, Sherborn, and 

 Bailey, 1890, Journ. E. Micr. Soc, p. 560, pi. x. fig. 22. C. Bradyana 

 Prochazka, 1893, Vestnik kral. ceske spol. nauk. Tn'da Math., p. 44, 

 pi. xi. fig. 5. C. variabilis (Eeuss) Egger, 1893, Abhandl. k. bayer. 

 Akad. Wiss., Cl. II. vol. xviii. p. 353, pi. xii. figs. 16-18. C. varia- 

 bilis (Eeuss) Goes, 1894, K. Svenska Vet.-Akad. Handl., vol. xxv. 

 p. 62, pi. x. figs. 593-595. C. variabilis (Eeuss) Flint, 1899, Eep. 

 U.S. Nat. Mus. for 1897 (1899), p. 316, pi. lxiii. fig. 1. 



There are several examples of this form from Station 25 in 

 Area 2, and it also occurs at Station 13 in Area 1. The specimens 



