288 INDEX. 



Platypleuroceras, Hyatt. Bull. Mus. Comp. Zool., i, 92 232 



Platyptera (Onychoteuthis), Orb. Moll. Voy. Amer. MeridL, 41, t. 3, 



f. 8, 11, 1835. = Ony chia peratiptera, Orb. 

 Plei (Loligo), Blainv. Jour, de Phys., 142, 1828. Fer. and Orb., 



Ceph. Acet. Calmars, t. 16, t. 24, f. 9-13 148 



Plesioteuthis, Wagner. Abhandl. Acad. Miinchen, viii, 1860 106, 175 



Pleuroceras, Hyatt. Bull. Mus. Comp. Zool., i, 89 282 



Poeyianus (Loligo), Fer. Ceph. Acet. Calmars, t. 19, f. 1, 2, 3, 1833. 



= L . Brasiliensis, Blainv. 

 Polita (Argonauta). Conrad. Jour. A. N. S., Philad., 2cl ser., ii, 



333, 1854. = A. Kochiana, Duuker. 

 ?Polorthus, Gabb. Proc. Philad. Acad., 366, 1861. Ibid., 259, 



1872 270 



Polycronites, Troost. 5th Rep. Tennessee, 1840. Not clearly de- 

 nned. ? = Gyroceras. 

 Polyonyx (Enoploteuthis), Troschel. Archiv. flir Naturg., i, 67, t. 4, 



f. 9, 1857 173 



Polypus, Owen. Trans. Zool. Soc., 1838. = Eledone, Leach. 



Polyzenia (Octopus), Gray. B. M. Cat., 13, 1849 122 



Pompilius (Nautilus), Linn. Syst. Nat. edit, xii, 1161, 1767. .24, 96, 215 

 Poradragus, Montf. Conch. Syst., i. 1808. = Belemnites, Lam. 

 Poterioceras, McCoy. Carb. Foss. Irel., 1844. = Gomphoceras. 

 Princeps (Architeuthis), Verrill. Am. Jour. Sci., 3d ser., ix, 181, t. 



-5, f. 14, 15, 1875, x, 214, 1875. Ibid., xiv, 425, 1877. Verrill, Am. 



Naturalist, ix, 36, 79 f. 25, 26, 27, 1875 185 



Prionocyclus, Meek. Hayden's 2d Ann. Kept. U. S. Geol. Survey 



Terr., 298, 1872 237 



Prionotropis, Meek. U. S. Geol. Survey Terr., ix, 453, 1876. = S. G. 



of Prionocyclus, Meek 237 



Probatio (Ocythce) Leach. Phil. Trans. = Argonauta Argo, L. 

 Proboscideus ( Dinoteuthis ) , More. Zoologist, p. 4526, 1875. = 



Architeuthis monachus, Steenstrup 80, 185 



Prototypus (Spirula), Peron. Voy. Austral., t. 30, f. 4, 1804. == S. 



Peronii, Lam. 



Pseudobelus, Duval. Belemn., 113. = Belemnites, Lam. 

 Pseudonautilus, Meek. Geol. Survey Terr., ix, 491, 1876. = S. G. 



of Nautilus, L 217 



Psiloceras, Hyatt. Bull. Mus. Comp. Zool., i, 72 226 



Pteronautilus, Meek. Am. Jour. Sci., 1867 214 



Pteropus (Ommastrephes), Steenstrup. Revue et Mag. Zool., 31, 



1862 75, 179 



Pteroteuthis, Blainv. Diet. Sc. Nat., xxxii, 174, 1824. == Loligo, 



Lam. 



Ptiloteuthis, Gabb. Pal. Calif., ii, 128, 1869 155 



Ptychites, Mojsis. Abb- Geol. Reichs., vi 241 



Ptychoceras d'Orb. Pal. Franc,. Terr. Cret., i, 554, 1841 220, 247 



Pulchra (Loligo), Blainv. Diet. Sc. Nat., xxvii, 144, 1823. Verany, 



Ceph. Medit., t. 34 146 



Punctata (Loligo), De Kay. Moll. N. Y., 3, t. i, f. 1, 1843. = L. 



Pealii, Lesueur 45, 142 



Punctata (Ocythoe), Say. Trans. Roy. Soc., 107, 1819. = Argo 



nauta, Sp 140 



Punctatus (Anisoctus), Raf. Good Book, 65, 1840. Biimey and 



Tryon's Rafinesque, 95 150 



Punctatus (Octopus), Blainv. Diet. Sc. Nat., xliii, 195, 1824. = 



Argonauta hians, Sol. 



