1887.] 



NATURAL SCIENCES OF PHILADELPHIA. 



471 



Leidy, Jos., M. D. Notice of some 

 parasitic worms 10, 20; Parasite of 

 a bat, 38; Asplanchiia Ebbesbornii 

 157 ; Fossil bones from Florida, 309; 

 Remarks on Hydra, 311; Bot larvae 

 in the Terrapin, 393. 

 Librarian, report of, 408. 

 Library, additions to, 437. 

 McCook, Rev. Henry C. Modification 

 of habits in ants through fear of 

 enemies, 27. Prolonged life of Inver- 

 tebrates : Notes on the age and habits 

 of American Tarantula, 309, 369 ; 

 Note on the sense of direction of the 

 European ant, Formica rufa, 335; 

 Note on Cyrtophora bifurca and her 

 cocoons, a new Orb-weaving Spider, 

 842. 

 Marshall, Frederick Graf. Announce- 

 ment of death of, 335. 

 Meehan, Thomas. Sugar in China, 118; 

 Floral calendars, Cortical peculiari- 

 ties of the plum, 119; On Aphyllon 

 as a root parasite. 154; on the stipules 

 of Magnolia Frazeri, 155 ; Note on 

 Chionanthus, 280; Contributions to 

 the life-histories of plants, 309, 323; 

 The origin of grassy prairies, 392; 

 Report of Botanical Section. 

 Members and Correspondents elected 



during 1887, 43L 

 Meyer, Otto. On Invertebrates from the 

 Eocene of Mississippi and Alabama, 

 (Plate III), 38, 51. 

 Michener, Ezra, M. D., Announcement 



of death of, 294. 

 Mineralogical and Geological Section, 



report of, 424. 

 Munzinger, Pierre, Announcement of 



death of, 81. 

 Museum, additions to, 433. 

 Nolan, Edw. J., M. D. Report of Re- 

 cording Secretary, 406 ; Report of 

 Librarian, 408. 

 Officers, Councillors and Members of the 



Finance Committee, 431. 

 Osborn, Henry F. On the structure 

 and classification of Mesozoic Mam- 

 malia, 280, 282. (abstract), 281,293. 

 Patterson, Joseph, Announcement of 



death of, 297. 

 Porter, Rev. Thomas C. A list of the 



Carices of Pennsylvania, 56, 68. 

 Potts, Edward. Contributions towards 

 a synopsis of the American forms of 

 fresh-water sponges with descriptions 

 of those named by other authors and 

 from ail parts of the world, (Plates 

 V-XII), 155; 158. 



Professor of Ethnology and Archaeology, 



report of, 427. 

 Professor of Invertebrate Pelseontology, 



report of, 425. 

 Professor of Invertebrate Zoology, re- 

 port of, 426. 

 Professor of Mineralogy, report of, 427. 

 Rand, Theo. D. Report of Mineralogi- 

 cal and Geological Section, 424. 

 Randolph, Evan. Announcement of 



death of, 392. 

 Randolph, Nathaniel A., Announce- 

 ment of death of, 294. 

 Ravenel, H. W., Announcement of 



death of, 294. 

 Recording Secretary, report of, 406. 

 Redfield, John H. Report of Conserva- 

 tor of the Botanical Section, 422. 

 Report of Biological and Microscopical 



Section, 418. 

 Report of Botanical Section, 422. 

 Report of Concliological Section, 419. 

 Report of Corresponding Secretary, 407. 

 Report of Curators, 411. 

 Report of the Curator of the William 



S. Vaux Collections, 417. 

 Report of Entomological Section, 421. 

 Report of Librarian, 408. 

 Report of the Mineralogical and Geolo- 

 gical Section, 424. 

 Report of the Professor of Ethnology 



and Archaeology, 427. 

 Report of the Professor of Invertebrate 



Paleontology, 425. 

 Report of the Professor of Invertebrate 



Zoology, 426. 

 Report of the Professor of Mineralogy, 



427. 

 Report of the Recording Secretary, 406. 

 Report of the Treasurer, 429. 

 Ridings, J. H. Report of Entomolog- 

 ical Section, 421. 

 Robert, S. R. Report of Conchological 



Section, 419. 

 Rominger, C. Description of a new 

 form of Bryozoa, 10, 11. Description 

 of primordial fossils from Mount 

 Stephens, N. W. Territory of Canada, 

 (Plate I), 12. 

 Ryder, John A. On a tumor in the 

 oyster, 25 ; On the first and second 

 sets of hair germs developed in the 

 skin of foetal cats, 56 ; The placen- 

 tation of the two-toed Ant-eater, 

 Cycloturus didactylus, 115; On the 

 homologies and early history of the 

 limbs of vertebrates, 294, 344. 

 Scott, Wm. B. Change of title of paper, 

 156. 



