PLANAXIDJl. 193 



18. Planaxis mollis. 



Planaxis mollis, 5owe;'5«/, Qenera Shells, I, fig. 2, 1S24, Eab.l ; — JBuccinum 

 hrasilianum. Lam. Hist., VII, 1822 [misnomer] ;= Buccinum IcBvigatum, 

 Wood, Ind. Test. Sup. 1828 ; fide Smith var. = Pl. fulva, A. Adams> 

 P. Zool. S. 1851, p. 271, Swan River; var. = P. pigra, Forbes, P. Zool. 

 S. 1850, Pitcairn Island. 



9 Port Jackson, &c.; coll. Dr. J. C. Cox and ex c. Asiatic Soc. Bengal. 

 3 Australia; ex c. Dr. F. Stoliczka. 



Genus QUO Y I A, Deshayes. 



Enc. Meth. II, 1830 {sine descrJ] type Planaxis decollata, Quog, and of 

 Qray, Syn. Brit, 3Ius., 1840 ; =Fissilabria, Brown, IE dinb. Journ. N. H. 

 1836 ; = Qiioya, Deshayes, Enc. Meth., Ill, 1843 ; = Leucostoma, Swain- 

 son, Treat. Malac, 1840. 



1. Quoyia decollata. 



Planaxis decollata. Quay, Voy. Astrolabe, 1832, Neio Guinea ; Caroline 

 Islands fide v. Martens, Neio Caledonia, fide Fischer, and Yap, fide 

 Schmeltz. 



1 Moluccas; ex c. Dr. H. Dohrn. 



1 Caroline I. ; ex c. C. fc\ Ancey, Esq. 



Genus HOLCOSTOMA, E. and A. Adams. 



P. Zool. S. 1853 and Gen. Moll. I, p. 324, 1854, type E. piligerum, Philippi, 

 [from Mascarene Islands, fide Deshayes, cf"*?.]. 



I have never been able to obtain a specimen of this interest- 

 ing genus. 



8. Family MELANIIDiE, OrUgmj. 



Moll. Canar. 1837 ; = Melaniadts, Gray, 1840. 



Sub-family CERIPHASIN^, Gill. 



P. Acad. Nat. Sci. Philad. 1863 [Febr.'] ; = Family StrepomatidcB, Ealde- 

 man, I. c. [Sept.] 



I am unable to agree with Messrs. Brot and Tryon in accept- 

 iug Haldeman's name in preference to tbat of Gill's. 



