'Antonio Alzate. 



41 



Oregon Plioplarchius septemspinosus from (Am. Nat. XVI. p, 

 625. 1889). 

 „ Silver Lake of, audits region (Am. Nat. XXVI, p. 970. 



1889). 

 „ Sketches of the Cascade Mts. in (Am. Nat. p. 996. 



1888). 

 „ 2d. contrib. to knowl. of Miocene fauna of (Pr, A,. P. 



S. XVIII. No. 104. p. 370. 1879). 

 „ The fishes of Klamath Lake (Am, Nat. XIII.-p. 784. 

 1879), 

 O'reodontidae, Synopsis of the Species (Pr, A. P. S. XXL 114. 



p. 503, 1884). 

 Organic development, Laws of (Am. Nat. V, p. 593. 1871). 

 „ Evolution, Essential value of (Am. Nat. XXIV. p. 



1890). 

 „ „ etc., Review of Eimor's (Am. Nat. XXIV. 



p. 751. 1890). 

 ,, Present problems of (Science. N. Y. (n. 



s). II. p. 124, 1895). 

 „ „ The pi-esent problems of (The Monist. Chi- 



cago, V. p. 563, 1895). 

 „ forms, Method of creation of (Pr. A. P. S, p. 229. 

 1871). 

 matter, (The New Review, Phila. Vol. I. No. 3. p. 20. 

 Sept. 19. 1895). 

 Original Research in Pennsylvania (Am. Nat. XXVI. p. 243, 

 1889). 

 „ Philadelphia (Am, Nat, p. 1234, 1884). 

 „ „ „ the Universities (Am, Nat. XXI. p, 139. 



1897), 

 „ „ TJ, S, (Am, Nat, XXIV. p. 358. 1890). 

 „ Scient. research, in the Univ. of Penna. Am. Nat. 

 XXVI. p. 1088, 1889). 

 Origin of Genera (Pr. A. N, S. 242. 1868). 



Memorias. (1900-1901)— T.— XV.— 6. 



