BaTcer — Critical Notes on the Muricidae. 383 



Subgenus Phyllonotus Swainson. 



The following sections may be considered synonyms: Bas- 

 «2a, Bayle, 1880 (type M. Siaiiiforthii Reeve); Poirieria^ 

 Jouss., 1880 (type M. Zelandicus Quoy and Gaim.); Pa- 

 ziella, Jouss., 1880 (type 31. Pozi Crosse). No one has yet 

 been able to find characters of enough stability to form 

 sections of this extremely variable group. 



MuREX Stainforthii Reeve. 



Murex Stainforthii Reeve, Proc. Zool. Soc, p. 104, 1842; Conch. Icon., 

 sp. 68, 



3iurex hirsiitus Poirier, described and figured in Nouvelles 

 Archives du Museum, 1882, p. 83, pi. vi, figs. 2*, 2'', is simply 

 a very perfect specimen of this species. 



Subgenus Homalocantha Morch. 

 Murex scorpio Linne. 



Murex scorpio Linn^, Syst. Nat., XII, p. 1215. 



Murex Lamberti Poirier (Arch, du Museum, p. 86, pi. vi, 

 figs. 3*, 3**) is a synonym. The specimen figured is simply 

 a very fine individual. 



Subgenus Pteronotus Swainson. 



'n 



The following sections have no distinctive value : MorcJiia 

 Jouss., 1880 (type M. davits Kiener) ; JVaquetia, Jouss., 

 1880 (type 31. tnqueier Born.); Triremis Bayle, 1880 {31. 

 Gambiensis Lam.); Po7'opteron Jouss., 1880 {31. uncina- 

 rius Lam.); Pieropurpura Jouss., 1880 {31. macropteron 

 Desh.); Alipurpura^AyXQ, 1884 (J/, acanthopterus Lam.). 

 It is difficult to conceive of what use these sections are to the 

 scientific world. 



Murex macropterus Desh. 



Murex macropterus Desh., Mag. de Zool. pi. xxxviii, 1841. 



Several living specimens of this species were obtained by 

 the United States Fish Commission Steamer Albatross. The 



