— 313 — 



Pogono|io<la Grny. contin. 



Quintus ordo Conchophororuin. Genera : Arca, My- 



tilus, Avicula. 

 Gray 1842. Syn. Brit. Mus. p. 92. — ordo quartus 

 Conchiferoruin. Familiae: Tridacnidae, Mytilidae, 

 Crenellidae, Dreissenidae, Pinnidae, Aviculidae. 

 Policere Risso vid. Polycera. 

 Policloutes Desh. vid. Polydontes. 

 Poligyra Say vid. Polygyra. 

 Poliniees Montf. Gray vid. Polynices. 

 Polinieis (Montf.) Blainv. vid. Polynices. 

 Polita Held 1837. Isis p. 916. 

 Etym. Noin. adject. 



Genus Helicum. Typus: H. cellaria Miill. 

 Pollia J. E. Gray 1839. Zool. of Beech. Voy. p. 111. (> 

 Wiegm. Arch. 1840. II. p. 212.) et 1842. Syn. 

 Cont. Brit. Mus. p. 89. Cf. seq. 

 Etijm. Pollius. ^») 

 A Buccinis separatum genus Muricidarum. Typus: 



Murex accinctus Born. 

 Adoptat FoRBEs 1844. MoII. Aeg. Sea p. 140. 

 = Pisania Biv. 

 Polliana M. E. Gray 1842. Fjg. MoII. x\nim. tab. 5. 

 Etym. PoUia. 

 = Pisania Bivon. 

 Polybraneltia (Polybranclies) Blainv. 1814. BuII. SoC. 

 philom. * et 1816. ibid. * > Isis 1818. p. 1685. 

 Etym. nolvg, multus; ^Qccyxia, branchiae. **) 

 Molluscorum ordo novus. 



GoLDF. 1820. Hdb. d. Zool. p. 653. — familia Gaste- 

 ropodum. Genera: Thethys, Scillaea, Tritonia, 

 Eolida, Laniogerus, Tergipes, Glaucus. 

 Feruss. 1821. Tabl. syst. p. XX VIII. — secundus 



43) Pollia Thunb. g-enus Commelinacearum. 



44) Polybranchia Latr. (1825.) ordo Cirripedium. 

 voi. II, 20 * * 



