1884.] 



NATURAL SCIENCES OF PHILADELPHIA. 



395 



cording Secretary, 323 ; Report of 

 the Librarian, 328. 



Officers lor 1885, 349. 



Osborn, Henry F. Preliminary Ob- 

 servations on the Brain of Meno- 

 poma, 260, 263. 



Potts, Edvr. Note on Manayunkia 

 speciosa, 21 ; Fresh-water Sponges 

 as Improbable Causes of the Pol- 

 lution of River-water, 28 ; Some 

 modifications observed in the form 

 of Sponge Spicules, 184 ; On a sup- 

 posed new Species of Cristatella, 

 185, 193 ; On Paludicella erecta, 

 213 ; On the wide Distribution of 

 some American Sponges, 215 ; On 

 the Minute Fauna of Fairmount 

 Reservoir, 217 ; An unfamiliar 

 Rhizopod, 292. 



Poultney, Chas, W. Announcement 

 of death of, 236 



Price, Eli K. Announcement of 

 death of, 282. 



Professor of Invertebrate Paleontol- 

 ogy, report of, 345, 



Professor of Mineralogy, report of, 

 346. 



Professor of Invertebrate Zoology, 

 report of, 347. 



Professor of Ethnology and Archae- 

 ology, report of, 348. 



Putnam, F. W. Indian Mounds on 

 the Miami River, 20. 



Rand, Theo. D. Report of the Min- 

 eral ogical and Geological Section, 

 345. 



Randolph, N. A. A Preliminary 

 Note on a Reaction common to 

 Peptone and Bile salts, 115 ; On 

 the Digestion of Raw and of Boiled 

 Milk, 120; On the Behavior of 

 Petrolntum in the Digestive Tract, 

 278, 281 ; Cutaneous Absorption of 

 Nicotine, 280. 



Recording Secretary, report of, 323. 



Redfield, J. H. Report of the Bo- 

 tanical Section, 342. 



Repot t of the Recording Secretary, 

 323. 



Report of the Corresponding Secre- 

 tary, 326. 



Repoit of the Librarian, 328. 



Report of the Curators, 332. 



Report of the Treasurer, 333. 



Report of the Curator of the Wm. 

 S. Vaux Collections, 336. 



Report of the Biological and Micros- 

 copical Section, 338. 



Report of the Conchological Section, 

 339. 



Report of the Entomological Section, 

 341. 



Repoit of the Botanical Section, 342. 



Reiiort of the Mineralogical and 

 Gei 'logical Section, 345. 



Report of the Professor of Inverte- 

 brate Palaeontology, 345. 



Report of the Professor of Miner- 

 alogy, 346. 



Report of the Professor of Inverte- 

 brate Zoology, 347. 



Repoi t of the Professor of Ethnology 

 and Archaeology, 348. 



Ridings, James 11. Report of the 

 Entomological Section, 341. 



Ringueberg Eugene N. S. New 

 Fossils from the Four Groups of 

 the Niagara Period of Western 

 New York. 120, 144. 



Roberts, S. R. Report of the Con- 

 chological Section, 339. 



Rogers, Robt. E. Announcement 

 of death of, 217. 



Rothrock, J. H. Relation of Medul- 

 lary Rays to the Strength of Tim- 

 bers, 14. 



Schaeffer, W. L. Announcement of 

 death of, 215. 



Scribner, F. Lamson. Observations 

 on Cinna, with Description of a 

 New Species, 279, 289. 



Sharp, Benj. Visual Organs of 

 Lamellibranchs, 10 ; On Semper's 

 Method of making Dried Prepara- 

 tions, 20, 24 ; Introductory Lec- 

 ture, 66 ; Homologies of the Ver- 

 tebrate Crystalline Lens, 297, 300 ; 

 Report of the Professor of Inver- 

 tebrate Zoology, 347. 



Strecker, Herman. Descriptions of 

 New Species of North American 

 Heterocera, 279, 283. 



Swain, Jos., and SetliE. Meek. Notes 

 on a Collection of Anchovies from 

 Havana and Key West, with an 

 account of a New Species, Stole- 

 phorus eurystole, from VVood's 

 Holl, Mass., 28, 34. 



Treasurer, Report of, 333. 



Weber, Robt. L. Announcement 

 of death of, 297. 



Willcov. Jos, Notes on the Geology 

 and Natural History of the West 

 Coast of Florida, 184, 188. 



Wm. S. Vaux Collections, Report (-f 

 Curator of, 336. 



