44 Memorias de la Sociedad Científica 



Paraceras, a iiew genus of Bhinocerontidce (Am, Nat, p. 540. 



1880). 

 Paraguay river, Cat. o£ batrach. and reptiles from (Pr. A. N. 



S. p. 346. 1862). 

 Parallel color patterns in Lizards (Am. Nat. XXVI. p. 522. 



1892). 

 Paraná, Note on Ambroutli's fossil Reptiles from (Am. Nat. 



XXVII. p. 376. 1893). 

 Paraná river, Batraeli. and reptiles from (Pr, A N. S. p. 346. 



1862). 

 Pareiasaurus, Anomodontia and allies, Seeley's, Rev. of (Am. 



Nat. XXVIII. p. 788. 1894). 

 Parks, National, Zoology in (Am. Nat. p. 708. 1884). 

 Paroccipital bone, Crit. of Baur'srejoinder on etc. (Am. Nat. 



XXX. 147. 1896). 

 Patagonia, Ameghino's discouv of new Mam. in Eocene of 



(Am. Nat. XXV. p. 1000. 1891). 

 Pavlow's ''Ancestry of IJngulates" (Am. Nat. XXI. p. 656. 

 1887). . 

 phylogeny of horses (Am. Nat. XXII. p. 448. 1888). 

 Pelecopterus and Edestus, Note on (Geol. Mag. Lond, (3). III. 



p. 141. 1886), 

 Pelta/phryne empusa, A Cuban Bufonia, Descrip. of (Pr. A. N. S. 



p. 344. 1862). 



Pélycosaiiria, Morph. of skull of the and orig. of the Mams. by 



Baur and Case, (Am. Nat. XXXI. p. 315. 1897). 



„ struct. of Golumella auris in (Memoir Nat. Acad, 



Sci. III. Pt. I. (1884) (1885), 



Penial structure of the Sauria (Science. N. Y. (n, s.) III. p. 



560. 1896). 

 „ „ „ „ „ (Am. Nat. XXX. p. 945. 1896). 



„ „ „ „ Saurians, The (Pr. A A. A. S. XLV. 



p. 168. (1896) 1897). 

 pennatribus Thorius Descrip. of (Am, Nat. p. 222. 1869), 



