Edzvard Drinker Cope. — King. 29 
Amer. Assoc. Adv. Sci. Vol. XXXIV. Proc. Amer. Philos. Soc. 
Vol. XXIII. 
472. On Two New Species of Three-Toed Horses from the Upper 
Miocene, with Notes on the Fauna of the Ticholeptus Beds. Proc. 
Amer. Philos. Soc. Vol. XXIII. 
473. Original Research, Its Motives and Opportunities. Amer. 
Nat. Vol. XIX. 
474. Pliocene Horses of Southwestern Texas. Amer. Nat. Vol. 
XIX. 
475. Report on the Coal Deposits near Zacualtipan in the State of 
Hidalgo, Mexico. Proc. Amer. Philos. Soc. Vol. XXIII. 
476. Review of Marsh's American Jurassic Dinosauria. Amer. 
Nat. Vol. XIX. 
477. Scientific Criticism. Amer. Nat. Vol. XIX. 
478. Second Continuation Among the Batrachia of the Coal Meas- 
ures of Ohio. Pal. Bull. No. XL. 
479. The Amblypoda. Amer. Nat. Vol. XIX. 
480. The Ankle and Skin of the Dinosaur, Diclonius Mirabilis 
Amer. Nat. Vol. XIX. 
481. The Batrachia of the Permian Beds of Bohemia, and the 
Labyrinthodont from the Bijori Group. Amer. Nat. Vol. XIX. 
482. The Dimensions of Matter. Amer. Nat. Vol. XIX. 
483. The Energy of Life Evolution. Popular Science Monthly. 
Vol. XXVII. 
484. The Large Iguanas of the Greater Antilles. Amer. Nat. Vol. 
XIX. 
485. The Lemuroidea and the Insectivora of the Eocene Period of 
North America. Amer. Nat. Vol. XIX. 
486. The Mammalian Genus, Hemiganus. Amer. Nat. Vol. XIX. 
487. The Mammalia of the Oligocene of Buenos Ayres. Amer. 
Nat. Vol. XIX. 
488. The Oldest Tertiary Mammalia. Amer. Nat. Vol. XIX. 
489. The Present Condition of the Yellowstone National Park. 
Amer. Nat Vol. XIX. 
490. The Relations of the Pucrco and Laramie Deposits. Amer. 
Nat. Vol. XIX. 
491. The Retrogiade Metamorphosis of Siren. Amer. Nat. Vol. 
XIX. 
492. The Structure of the Columella Auris in the Pelycosauria. 
Mem. Nat. Acad. Sci., Washington. Vol. III. Pt. I. 
493. The White River Beds of Swift Current River, Northwest 
Territory. Amer. Nat. Vol. XIX. 
\t94. Thirteenth Contribution to the Herpetology of Tropical 
America. Proc. Amer. Philos. Soc. Vol. XXIII. 
495. Vertebrata Tertiary of the United States. Comptes Rciidus 
StcnograpTTiqucs. Paris. 
1886. 
496. A Contribution to the Vertebrate Paleontology of Brazil. 
Proc. Amer. Philos. Soc. Vol. XXIII. 
