INDEX AND SYNONYMY. 219 



Pusillum (Bittium), Dkr. Mai. Blatt. vi, p. 224, 1860. 



= B. perpusillum, Tryon. . . . . . .154 



Pusillum (Cerithium), Gould. Bost. Proc. iii, p. 120, 1*4'). . 155 

 Pusillum (Cerithium), Jeffir; Ann. and Mag. t 2, f. 10, 11, 1856. 

 = B. submamillatum, Rayn. ...... 158 



Pusillum (Cerithium), Xuttal. Jay's Cat. of Shells, p. 75. 



? C. lacteum, Kiener. . . . . . . . .144 



Pusillum (Cerithium), Pfr. Arch. f. Xatur. p. 256, 1840. 



? Triforis perversus, Linn. ..... 187, 188 



Pusiola (Triforis), Dkr. 1881. Jouss. Soc. Mai. France. 227, . 191 

 Pustulosus (Triforis), Pse. Zool. Proc. p. 775, 1870, . . 191 



Pyomiea (Colina), A. Ad. Zool. Proc. p. 308, t. 19, f. 19, 181)7. 

 = Cerithium macrostoma, Hinds. ..... 142 



Py.irmieum (Cerithium)-, Phil. Knum. Moll. Sicil. ii, p. 102, t. 



"i'5, f. 26, 1844. = C. tuberctilaris, Mont, var. . . 168 



Pyramidalis (Triforis), Ad. and Rve. Yoy. Samaraiiir. p. 4(5, t. 

 11, f. 3(5, a. b. 1850. = T. sculptus. Hinds. . . .178 



Pyramidatum (Cerithium), Homb. and Jacq. Yoy. Astr. and 

 ^Zelee. v. p. 100, t. 23, f. 20, 21, 1854. C. numitum, 



? Sowb 129 



Pyrazisinus, Heilprin, Trans. Wanner. List, i, 115, 188(1, . 116 



Pyrazus, Montf. Conch. Syst, ii, 45!), 18K), . . . 116, 158 



Quadrata (Cerithidea), Sowb. Conch. Icon. sp. 5, 1866. 



= C. obtusa, Lam. var. . . . . . . 161 



Quadrifilatum (Cerithium), Carp. Journ. de Conch, p. 143, 



18(55, 153 



Quadrilineata (Triforis), Dkr. Soc. Mai. France, 227, 1884, . 191 

 Quadriseriata (Bittium lacteum, var.), B. D. D. Moll. Rouss. 



p. 21(5, t. 2(5, f. 7, 1884, . 150 



Quoyi (Cerithium), Homb. and Jacq. Yoy. Astr. and Zelee. v, 



p. 97, t. 23, f. <>, 7, 1854. = C. rhizoporarum, A. Ad. . 162 



Radix (Cerithium), Dufo. Ann. Sci. Xat. p. 62, 1840. 



= C. fluviatile, P. and M. 160 



Radula (Murex), Linn. Syst. Xat. Edit, xii, 122(5, . . 159 



Radula (Murex), Olivi. Zool. Adi-, p. 152, 1792. 



= Triforis perversus, Linn. ...... 187 



Raricostata (Cerithidea), A. Ad. Zool. Proc. p. 85, 1854, . 165 



Rarimaculatum (Cerithium), Sowb. Thes. Conch, ii, p. 875, f. 



204, 1855, . 139 



Ravidum (Cerithium), Phil. Abbild. p. 15, t. 1, f. 8, 1849, . 147 

 Rawsoni (Cerithium), Krebs. MSS. Morch. Mai. Blatt. xxiii, 



p. 120, 1*7(5, ' . . 144 



Recur vus (Yertagus), Sowb. Thes. Conch, ii, p. 854, f. 20, 



1855, 147 



Reevinanum (Cerithidea), C. B. Ad. Panama Cat. 



= C. Montagnei, d'Orb 161 



Reevei (Triforis), Desh. Conch. Reunion, p. 101, t. 11, f. 25, 26, 



1863, ..... .... 178 



