1344 OYSTERS, AND ALL ABOUT THEM. 



Pemui] t, 25. 



Pettigrew, T. J., Histoiy of Egyptian Mummies, cited 54. 



" Petite-Vanne" 166. 



Pbilippi, 153, 179, 182 ; genus Pododesmus, of, 141 ; A. pectiniformis 

 of, 149 ; O. depressa of, 152. 



Philosophical Transactions, cited 98. 

 Magazine, 1603, cited 100. 



Philadelphia, 328. 



Philoxenus, and the poulpe, 310. 



Phoenicians, The, and Cornish Oysters, 262. 



Pholas (a genus of marine bivalves which pierce wood, rocks and clay) 

 The, how it bores through rocks, 75, 76 ; its shell composed of 

 aragonite, 76 ; its lithodome, bottle shaped, 76 ; an animal filtering 

 machine, 77 ; and Teredo, the only true monomyarian mollusca, 



139- 



Pholadce, The, 75- 

 Phosphate of iron, 315. Phosphate, salt of phosphoric acid, 



lime, 315. 

 Phosphoric acid, 95. An acid formed by combining phosphorus with 



oxygen. 



Phosphorus, a yellow waxy substance obtained from bones, 494. 

 Physiology, 195. 

 Piccolo mare, 665. 

 Pied-de-Cheval, The (oyster) 675. 

 Piliscus corn-modus, 142. 

 Pinna, 189, 190. 

 Piriqui-assu, The, 201. 

 Placenta, 150. 

 Placental embryo, 196. 

 Placuna, 150. 

 Placunanomia, 149. 



Platel, M., Ostriculture in Morbihan, cited 546. 

 Plato, the Timseus, cited, 34. 



Phaedrus, cited 35. 

 Platycarcinus pagurus, 660. 

 Play fair, 24. 



Pleistocene beds, 153, 169, 210. The most modern tertiary deposits. 

 Pleurouectidae, 131. 



