- XXIV - 



Broadhead, G. C. The Meteor of December '27, 1875. 



Conant A. J. Archseology of Missouri. 



Broadhead, G. C. Age of Our Porphyries. 



Engelmann, G. Addition to Notes on Agave, pp. 291—322. 



Engelmann, G. Addition to Artide on Yucca, voi. III., p, 17. 



Engelmann, G. About the Oaks of the United States. 



Bruxelles. Bulletin des séances de la Société belge de microscopie. 



Tome L 1874-1875. — Tome IL 1875-1876. — Tome III. 



Nr. IV. e Nr. V. 

 Société Entomologique de Belgique. — Compte-Rendu 1877 — 



Nr. 34—35. 

 Proceedings of the Academy of Naturai Sciences of Philadelphia. 



1875. 

 Edward D. Cape. On the Transition beds of the 8askatchewan 



District. 

 Edivard D. Cope The Herpetology of Floride. 

 Persifor Frazer. Miner alogicai Notes. 

 Joseph Leidy. On a fungus in a Flamingo. 

 Joseph Leidy. Notes on some parasitic worms. 

 Persifor Frazer, Jr. The Vertical Lantern and Mineralogy. 

 Thomas Meehan. On Increase of Power in Plants to Resist Gold. 

 Edwo/rd B. Cope. On Greensand Vertebrata. 

 B. B. Willard. Effects of Gold on Iron. 

 Edward B. Cope. On the Homologies of the Sectorial Tooth of 



Garnivora. 

 Thomas G. Gentry. Gurious Anomaly in History of certain Larvse 



of Acronycta oblinita, Guenee, and Hints on Phylogeny of 



Lepidoptera. 

 H. K. Morrison. Notes on the Noctnidae, with descriptions of 



certain new species. 

 Persifor Franzer^ Jr. On thin Sections of the Traps of the Meso- 



zoic Basin. 

 Edwa/rd B. Cope. The Feet of Bathmodon. 

 Joseph Leidy, M. D. Remarks on some Marine Rhizopods. 

 Persifor Franger, Jr. Notes on the Gharacter of the Lower Siluriau 



Slates at their Outcrops. 

 Robert Ridgivay. On Nisus Gooperi (Bonaparte) and N. Gundlachi 



(Lawrence). 

 Robert Ridgway. On the Buteonine Subgenus Graxirex, Gould. 



