CONTENTS. 



PAGE. 



\\ achbmuth, Chas., and Frank Springer. Revision of the Palseo- 



crinoidea. Part III (Plates IV-IX), .... 225 



Meehan, Tnos. Note on Quercus prinoides, 365 



Mi. khan, Thos. On the Fruit of Opuntia, 365 



Meek, Seth E., and Robert Nkwland. A Review of the Species of the 



Genus Esox, . . . q«i? 



Meehan, Thos. Inflorescence of the Composite, 376 



Allen, Harrison, M, D. On the Pectoral Filaments in the Sea Robin 



(Primotus palmipes), ....... 377 



Mi khan, Thos. Notes on Cactaceae. Elastic Fruit in Mamillaria, . . 378 



Redpield, John H. On the Flora of Martha's Vineyard and Nantucket, 378 

 Meehan, Thos. Biographical Notice of Henry N. Johnson, . . .381 

 Meehan, Thos. Virulence of the Common Parsnip, . . . .383 



Allen, Babbison, M. D. The Shape of the Hind Limbs in the Mam- 

 malia as Modified by the weight of the Trunk, 383 



Morris, Charles. Attack and Defense as Agents in Animal Evolution, 385 

 Meek, Seth E., and Robert Newland. A Review of the American 



Species of the Genus Scorpaena, 394 



Meehan, Thos. On a White-seeded Variety of the Honey Locust, . . 404 

 Rand, Theo. D. Notes on the Lafayette Serpentine Belt, . . .407 



Leidy, Jos., M. D. Worms in Ice, 408 



Eigenman, Carl II., and Morton AV. Fordice. A Catalogue of the 



Fishes of Bean Blossom Creek, Monroe Co., Ind., .... 410 

 Evebman, Barton W., and Morton W. Fordice. List of Fishes collected 



in Harvey and Cowley Counties, Kansas, 412 



Report of the Recording Secretary, 412 



Report of the Corresponding Secretary, 414 



Report of the Librarian, 415 



Report of the Curators, ,417 



Report of the Curator of the Wm. S. Vaux Collections, . . . .419 



Report of the Biological and Microscopical Section, 421 



Report of the Conchological Section, 400 



Report of the Entomological Section, 404 



Report of the Botanical Section, 426 



Report of the Mineralogical and Geological Section, 428 



Report of the Professor of Invertebrate Paleontology, .... 429 



Report of the Professor of Invertebrate Zoology, .(29 



Report of the Professor of Ethnology and Archaeology, .... 4o0 



Report of the Treasurer, 431 



Officers, Councillors and Members of Finance Committee for 1886, . . 434 



Elections during 188f>, 4;!.-) 



Additions to Museum, 436 



Additions to Library, 441 



Index to Genera, •••......... 473 



General Index, , 478 



STiNQ HOUSE, 734 L 786 SAN90M 3T 



