RHAPHAULUS. 91 



Anaulus Pfr. in Proc. Zool. Soc. 1855. p. 105. Nec Ehrenb. 



— //. et A. Adams Gen. rec. Moll. II. p. 286. 



— Benson in Ann. and Mag. 2d. ser. XVII. p. 342. 

 Rhaphnulus Pfr. i;i Novit. conch. I. p. 75. 



Nomen generi initio datum , monente Cl. Gaskoin (in 

 litt.) nmtandum fuit, cum genus Diatomacearum jam prius ab 

 Ehrenbergio eodem nomine descriptum sit 



Species nunc notae sunt sequentes; 



1. Rli. bombyciniisi Pfr. 



T. impervie umbilicata, oblonga, tenuiuscula, confertim 

 striata, serica, rubello-cornea ; spira irregularis, inflata, in co- 

 num obtusulum desinens; anfr. 6 convexi, penultimus gibbus, 

 latere aperturali subplanatus, ultimus attenuatus, ad suturam 

 marginatus, antice ascendens; apertura circularis, basi axin 

 subexcedens; perist. duplex: internum callosum, adnatum, ex- 

 ternum late expansum, reflexiusculum , marginibus superne 

 callo junctis: apertura canalis suturalis aperturae testae paral- 

 lela. — Operc. luteo-corneum. — Long. 14, diam. 7^3 niill. 

 Ap. intus fere 4 mill. diam. (Coll. Nr. 138.) 



Anaufus bomf/i/cinus Pfr. in Proc. Zool. Soc. 1855. p. 105. t. 32. f. 10. 



— — //. et A .idams Gen. rec. Moll. II. p. 286. t. 86. f. 3. 

 _ _ Pfr. Novit. conch. I. p. 62. n. 103. t. 17. f. 12. 13. 



Jifiaphaufus bomhycinus Pfr. Novit. conch. I. p. 75. 

 /?. Minor, anfr. SVj» penultimo magis turgido ; long. 10, diam. vix 6 mill. 

 Habitat Sarawak, Borneo. 



2. Rh. liorraini Pfr. 



T. perforata, gibboso-oblonga, solida, conferte striata, sub 

 epidermide fulvida saturate violacea; spira irregularis, inflata, 

 in conum brevem desinens ; anfr. 5 convexi , penultimus gib- 

 bus, latere aperturae subplanatus, ultimus attenuatus, antice 

 subascendens; apertura circularis, basi axin subexcedens; pe- 

 rist. callosum, album, continuum, expansum et reflexiusculum, 

 limbo interiore cum exteriore connato ; foramen superum par- 

 vulum, oblique sursum spectans. — Operc. ? — Long. 15, 

 diam. 8 mill. Ap. intus 41/3 mill. diam. (Mus. Cuming.) 



Anaufus Lorraini Pfr. in Proc. Zool. Soc. 1856. p. 36. (Conf Bens. 

 in Ann. and Mag. 2d. ser. XVII. p. 342.) 



Raphaufiis Lorraini Pfr. Novit. conch. 1. p. 75. n. 126. t. 20. f. 21.22. 

 Habitat Pulo Penang (Dr. Lorrain). 



