CONTEN^TS. 



Thos. Meehan. Law of Seed Germination in Swamp Plants . 363 

 Aubrey H. Smith. On Growth of Talimim teretifolium, Pursh 363 



Jos. Leidy, M.D. On Distoma hepaticum 3G4 



E. Goldsmith. Analysis of Chromite from Monterey Co., Cali- 

 fornia . 365 



E. Goldsmith. Stibiaferrite, a new Mineral from Santa Clara 



Co., California 366 



Thos. Meehan. Corrections in Nomenclature .... 369 

 Edw. J). Cope. On Stone Circles in the Rock}^ Mountains . 370 



Edw. D. Cope. On Types of Molar Teeth 371 



H. C. Chapman, M.D. Disposition of Flexor pei-forans, &c., in 



Paradoxurus musanga. Gray . . . . . .372 



E. T. Cresson. Descriptions of Mexican Ichneumonidae . . 374 



Thos. Meehan. Fertilization of Yucca 414 



Thos. Meehan. Note on a Fungoid Root Parasite . . .414 

 Thos. Meehan. On the Expansion of the Coma in Asclepiadacese 415 

 Jos. Leidy, M.D. On Lingula in a Fish of the Susquehanna . 415 

 Jos. Leidy, M.D. Remarks on Fossil Elephant Teeth . .416 

 Edw. W. Cope. Remarks on Fishes from the Coal Measures at 



Linton, Ohio 417 



Edw. D. Cope. On Fossils from the Miocene Formations of 



Colorado, &c. 419 



Jos. Leidy, M.D. On Circulatory Movement in Yaucheria . 420 

 Prof. Louis Agassiz, Resolutions regarding the death of . . 420 

 Isaac Lea. Description of seven new species of Unionidae of 



the United States .......... 422 



Isaac Lea. Description of three new species of TJniones of the 



United States 424 



J. S. Newberry. Notes on the Genus Conchiopsis, Cope . . 425 



[for remainder of contents, seb 3d page.] 



