48 



Memorias de la Sociedad Cientiftoa 



Perosuchus, Crocodilian gen. (Pr A. N. S. p. 203. 1868). 

 Peru, cold blooded Vertebrata obtained by Orton, Synop. (Pr. 

 A. P. S. XVII. No. 100. p. 33. 1877). 

 „ W. and mid. and up. Amazon.- Reptiles from (Jrn. A. 

 N. S. (2) VIII. Pt. II. Art. VI. p. 159 1875). 

 Pessimism and Hedonism (Am. Nat. XVIII. p. 40. 1884). 

 Petite Anse, La, Some new Plistoc. Mammalia fr. (Pr. A. P. 



S. XXXIV. 149. p. 458. 1896). 

 " Phases of Modern philosophy " by Price, Remarks on (Pr. A. 



P. S. XII. 88. p. 316. 1872). 

 Phenacodus and Athecce, Lydekker on (Nature. London. XL. p. 

 298. 1889). 

 ., ,, Creodonta, Grit, of Schlosser's view of (Am. 



Nat. XX. p. 965. 1886). 

 ,, „ Periptychus, Eoc. Mam., Brains of. (Pr. A. P. 



S. XX. 113. p. 563. 1883). 

 Note on (Geol. Mag. Lond. (3) III. p. 238. 1886). 

 The genus (Am. Nat. XVIT. p. 535. 1833) 

 Philadelphia, A permanent exhibition for (Am. Nat. p. 8-Sl. 

 1880). 

 „ Comercial Museums, Beptilia in f 1899 (?) (Pos- 



thumous). 

 „ Original Research in (Am. Nat, p. 1234. 1884). 



„ Natural Science in (Am. Nat. p. 393. 1884). 



Plwloyenis and Hypslkpis, sp. and distr. of gen. of. (Pr. A. N. S. 



p. 156. 1867). 

 Phrynosoma ornatissima Ord. (Pr. A.N. 8. p. 305. 1872). 

 Phylogeny of Arlhiodaclyla, obs. on (Am. Nat. p 1034. 1884). 

 „ „ Man, Recent prog, in disco v. of (Am. Nat. XXV. 



p. 991. 1891). 

 „ „ the Camdidm (Am. Nat. XX. p. 611. 1886). 



„ camels (Pr. A. N. S. p. 261. 1875). 



Vertnbrafa (Pr. A. P. S. XXX. 139. (1892) 

 1893). 



n 



