CONTENTS, 



'-^ 

 ^ 



its structure and 



III. Sniilacina 

 On the glands 



e W 



Tryon Jr. 



Leidy, Joseph. '■ O. Megalonyx Jeffersonii 



Leidy, JoSE' ' ■ Anomalies of tlie human skull. ...... 



Meeha'., ''"i' ■'■ Contributions to the Life-Histories of Plants, No. II. Some 



m the life-history of Yucca. A study of the Hydrangea in relation to 



-lertilization. On the forms of Lonicera Japonica ; with notes on the origin 



jI the forms. ............. 



- XLSBRY, H. A. On the Helicoid Land Molluscs of Bermuda (Plate XVII.) 

 OsBOKN, Henry Fairfield. Additional observations upon the structure and classi- 

 fication of the Mesozoic Mammalia. ........ 



Heilprin, Angelo. Contributions to tlie Natural History of the Bermuda Islands. 



(Plates XIV, XV, XVI.) 



Leidy, Joseph, M. D. Remarks on ihe fauna of Beach Haven, N. J. ■- 

 McCooK, Rev. H. C. The Turret Spider on Coffin's Beach. . . . . 



Wachsmuth, Charles and Frank Springer. Discovery of the ventral structure 



of Taxocrinus and Haplocrinus and consequent modifications in the classifications 



of the Crinoidea. (Plate XVIII.) 



Watchsmuth, Charles and Frank Springer. Crotalocrinus 



zoological position. (Plates XIX, XX.) .... 

 Meehan, Thomas. Contributions to the Life-Histories of plants, No 



bifolia. Dichogamy and its significance. Trientalis Americana 



in some Caryophyllaceous flowers. ..... 



Ruscheniserger, W. S. W., M. D. Biographical notice of Georg 



(With Portrait.) 



Morris, Charles. Theories of the formation of Coral Islands. 



Ives, J. E. On two new species of Starfishes. 



McCook, Rev. H. C. Double cocooning in a Spider. 



McCooK, Rev. H. C. The value of Abbot's manuscript drawings of 



spiders. ...... 



Leidy, Joseph, M. D. Food of Barnacles. 



Report of the Recording Secretary, . 



Report of the Corresponding Secretary 



Report of the Librarian. 



Report of the Curators. 



Report of the Curator of the Wm. S. Vaux 



Report of the Biological and Microscopica 



Report of the Conchological Section. 



Report of the Botanical Section. 



Report of the Mineralogical Section. 



Report of the Professor of Invertebrate Pa 



Report of the Professor of Ethnology an 



Abstract of report of Treasurer. 



Additions to the Museum. 



Officers for 1889. . 



Eh.'Ctions during 1838. . 



Additions to the Library. 



Index to Genera. 



General Index. 



Collections. 

 Section. . 



eontology. 

 Archaeology. 



27b 



274 



285 



292 



302 

 329 

 333 



337 

 364 



American 



399 

 419 

 421 

 425 



428 

 431 

 ■433 

 435 

 436 

 439 

 442 

 443 

 446 

 448 

 450 

 450 

 451 

 453 

 457 

 456 

 456 

 461 

 494 

 499 



