288 iNi>r\. 



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



Platyptera (Onychoteuthis), < >rb. Moll. Voy. Amer. Merid., 41, 1. :*>, 



f. 8, 11, 1835. = Onychia peratiptcra, Orli. 

 Plei (Loligo), Blainv. Jour, de Phys.. 1 12, 1823. Fer. and Orb., 



(Vph. Acet. Calmars, t. 1G, t. 24, f * {)-13 f 



Plesioteuthis, Wagm-r. Abhaxtdl. Acad. Minn-hen, viii, is(io l(if>, 175 



Pleuroceras, Hyatt. Bull. Mus. Cnmp. Ziol., i, 89 



Poeyianus (Loligo), FIT. Ceph. Ac.'l. Calmars, t. 19, f. 1, 2, :$, 1 



= L. Brasiliensis, Blainv. 

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



333, 1854. = A. Kochiana. Dunker. 

 ?Polorthus, Gabb. Proc. Philad. Acad., :',<W, 1861. Ibid., 25., 



1872 ." 270 



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

 fined. ? = Gyroceras. 

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



f. !), 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. S\st., i. 1808. = Beleninites, Lam. 

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

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



5, f. 11. 15, 1875, x. 814 1875. Ibid., xiv, 425, 1877. Verrill, Am. 



Naturalist, ix, 36, 79 f. 25, 26, 27, 1 S75 1 sr> 



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



Terr., 298, 1878. 



Prionotropis, Merk. 1'. S. (Jt-.l. Survey Terr., ix, 453, 1876. =8. G. 



of Prionocyclus, Meek 2:> 7 



Trobatio Ocythco) Leach. Phil. Traivs. = Argonauta A rgo, L. 

 Proboscideus ( Dinoteuthis >, More. Zoologist, p. 4526, 1*75. = 



A rchiteuthis mouachus. Sieenstrup 80, 1*5 



Prototypes .Spirula., Prron. Voy. Austral., t. 30, f. 4, 1804. = S. 



Peronii, Lam. 



Pseudobelns, Duval. ISclcmn., 11:5. = Beleninites, Lam. 

 Pseudonautilus, Meek. Geol. Survey Terr., ix, 491, 1876. -= S. (i. 



of Nautilus, L 217 



IMloceras, Hyatt. Bull. Mus. Comp. Zool., i, 72 'J26 



Pteronautilus. .Merk. Am. .lour. Sci., 18(}7 214 



Pteropus (Ommastre plies j, Bteenstrup. Uevue et Mag. Zool., :>1, 



1862 75. 1 7.i 



Pterotenthis, lilainv. Diet. Sc. Nafc., xxxii, 174, 1824. = Loligo, 



Lam. 



Ptilotruthis. Gabb. Pal. Calif., ii, 128, 1SC.9 155 



Ptychites, Mojsis. Ab!- (;-ol. Keichs., vi 241 



Ptychooeraa d'Orb. I'al. Franr. T.-rr. Cn't,, i. 5.14, 1841 220. 841 



I'lilclna Loli<n> , r.lainv. Diet. Sc. Nat., xxvii, II I. Is 1 .'.!. V<'rany, 



( .'],li. M.'dit.. t. :M 146 



I'unrtata (Loligo), De Kay. Moll. N. Y., 3, t. i, f. 1, 1843. = L. 



Pealii, Lesueur 45, M2 



Punctata (Ocytb<> -, Sa>. Trans. Roy. Soc., 107, 1819. = A 



nanta, Sp 140 



Punctatus (Anis.M-tu> , K'af. <-ood Book, 65, 1840. Binney and 



Tryon's Raflnesque, 90 I5o 



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



Argonauta hians, Sol. 



