CONTENTS. 



Edward P. Cope. On Fossil Reptllia and Fishes from Illinois 

 {Continued) ......... 



Thomas Meehan. Observations on Lilies .... 



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



Joseph Leidy, M.D. Quercus heterophylla .... 



Harrison Allen, M.D. On the Notation of Ribs . 



Aug. R. Grote. On North American Nocture .... 



H. R. Morrison. Notes on the Noctuidse, with descriptions of 

 certain new species. No. II. 



Thomas Meehan. Natural Hybrids ; Quercus heterophylla . 



Thomas Meehan. Hybrid Juglans ; Hybrids of Pyrus sinensis 



Henry C. Chapman, M.D. On Trichocephalns afflnis, Dies. 

 On the Castor Glands of the Beaver 



Persifor Frazer, Jr. On the Mesozoic Red Sandstone of the 

 Atlantic States 



Persifor Frazer, Jr. On Dialysis in Oyster Culture 



Persifor Frazer, Jr. On Heat and Chemical Action 



Edward D. Cope. On the supposed Carnivora of the Eocene 

 of the Rock}- Mountains 



Edward D. Cope. On a new Genus of Lophobranchiate Fishes. 

 (Plate 25) 



J. A. Ogden, M.D. Description of a new Species of Bird of 

 Paradise of the genus Ptiloris, in the collection of the 

 Academy. (Plate 25a) 



Henry C. Chapman, M.D. Observations on the Structure of 

 the Manatee. (Plate 26) 



Robert E. C. Stearns. Descriptions of new Fossil Shells from 

 the Tertiary of California. (Plate 27) . 



Thomas Meehan. Quercus heterophylla 



T. A. Conrad. Notes on the Genus Catillus, Brong. 



Joseph Willcox. On Mineral Localities in North Carolina . 



Harrison Allen, M.D. On the Effect of the Bipedal Position 

 in Man .......... 



Kobert Ridgway. Studies of the American Falconidse: Mon- 

 ograph of the Genus Micrastur 



(Continued on p. 



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463 

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 466 



467 



468 



470 

 3.) 



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