450 THE VOYAGE OF H.M.S. CHALLENGER. 



21. Natica (Neverita) albumen (Linne). 



Nerita albumen, Linne, Syst, Nat. (ed. 12), p. 1252, No. 718 (partim). 



Vitellus compressus, Chemnitz, Conch. Cab., vol. v. p. 276, pi. clxxxix. figs. 1924, 1925. 



Nerita albumen, Dillwyn, Cat., vol. ii. p. 984, sp. 10. 



Wood, Ind. Test., p. 178, pL xxxv. fig. 17. 

 Natica albumen, Lamarck, Anim. s. vert., vol. vi. (2) p. 195, and (ed. Desh.) vol. viiL p.'628, sp. 3. 



„ „ Deshayes, Encycl. method., vers, vol. iii. p. 598, sp. 2. 



„ „ Philippi, Conch. Cab. (ed. Kuster) p. 29, sp. 25, pi. iv. figs. 3, 4. 



Nerita albumen, Hanley, Ipsa Linn. Conch., pp. 395, 542 (Natica). 

 Natica albumen, Eeeve, Conch. Icon., vol. ix. pi. viii. fig. 31. 



„ „ Sowerby, Thes. Conch.,- pts. 30, 40, p. 78, sp. 15, pi. cccclviii. (v. Gen.) fig. 57. 



August 16, 1874. New Hebrides. Shore. 

 Habitat. — The Philippines. 



22. Natica (Neverita) conica, Lamarck. 



Natica conica, Lamarck, Anim. s. vert., vol. vi. (2) p. 198, and (ed. Desh.) vol. viii. p. 637, sp. 7. 

 „ Philippi, Conch. Cab. (ed. Kuster), p. 102, sp. 115, pi. xv. fig. 3. 

 „ „ Eeeve, Conch. Icon., voL ix. pi. xii. fig. 48. 



„ (Neverita) conica, Angas, South Austral. Moll., Proc. Zool. Soc. Lond., 1865, p. 167, No. 68. 

 „ conica, Sowerby, Thes. Conch., pts. 39, 40, sp. 78, pi. cccclvi. (iii. Gen.) fig. 25. 



April 17-18, 1874. Port Jackson, Sydney. 2 to 10 fathoms. 

 April 26, 1874. Port Jackson, Sydney. 4 to 18 fathoms. 



Habitat— Australia, St. Vincent's and Spencer's Gulfs (Angas). 



23. Natica (Neverita) didyma, Bolten. 



Chemnitz, Conch. Cab., vol. v. p. 246, pi. clxxxvi. figs. 1856-59. 

 Natica didyma, Bolten MS. 



„ „ Philippi, Conch. Cab. (ed. Kuster), p. 6, sp.l, pi. i. figs. 1-4. 



,, papyracea, von der Buseh. 



„ „ Philippi, Abb. und Besch., voL ii. p. 45, sp. 12, pi. ii. fig. 14. 



„ Philippi, Conch. Cab. (ed. Kuster), p. 43, sp. 42b, pi. v. fig. 4. 



„ bicolor, Philippi, Zeitschrift f. Malak., 1848, p. 156. 

 „ „ Philippi, Conch. Cab. (ed. Kuster), p. 43, sp. 42, pi. vi. fig. 4. 



„ ampla, Philippi, Zeitschrift f. Malak., 1848, p. 156. 

 „ ., Philippi, Conch. Cab. (ed. Kuster), p. 41,' sp. 40, pi. vi. fig. 2. 



„ Cliemnitzii, Eeeve ' (from Eecluz MS.), Conch. Icon., vol. ix. pi. ii. fig. 7. 

 ,, ,, Eydoux and Souleyet, " Bonite," vol. ii. p. 575, No. 168, pi. xxxv. figs. 4, 5. 



„ Lamarclciana, Eeeve (from Eecluz MS.), Conch. Icon., voL ix. pi. ii. fig. 6. 

 „ Petiveriana, Eeeve (from Eecluz MS.), Conch. Icon., vol. ix. pi. v. fig. 17. 

 „ problematica, Reeve, Conch. Icon., vol. ix. pi. vi. fig. 21 ( = Natica intermedia, Eecluz, not of 

 Philippi). 



1 Not the Natica Chemnitzii, Pfeiffer, which is Natica maroccana, Chem., var. 



