t90 



GENERAL INDEX. 



Leidy, Jos., On Gordius, and on some 

 Parasites of the Rat, 10; Fossil 

 remains of a Caribou, 32 ; On Bo- 

 th riocephal us latus, 40; On Rhizo- 

 pods occurring in Sphagnum, 162 ; 

 Fossil foot tracts of the Anthracite 

 Coal Measures, 164; Explosion of 

 a Diamond, 195 ; Remarks on Or- 

 gyia, 195 ; Notice of some animals 

 on the Coast of New Jersey, 198 ; 

 On Cristatella Idae, 203; On 

 Amoeba Blattse, 204 ; Ward's Nat- 

 ural Science Eestablishment, 208 ; 

 Report of the Curators, 441. 



Librarian, Report of, 440. 



Lockington, W. N, Notes on Pacific 

 Coast Fishes, 10 ; On a new genus 

 and species of Scombrida?, 133 ; 

 On the Pacific species of Caulolati- 

 lns, 210. 



Longstreth,Wm. W., Announcement 

 of death of, 156. 



Lyon, V. W., Description of three 

 new species of Calceolidre, from 

 the Upper Silurian Rocks of Ken- 

 tucky, 43. 



McCook, Rev. H. O, Cutting or 

 Parasol Ant, Atta fervens, Say, 

 33 ; Note on the Adoption of an 

 Ant-Queen, 137 ; Mode of Deposit- 

 ing Ant Eggs, 140 ; Note on the 

 Marriage Flights of Lasius flavus 

 and Myrmica lobricornis, 140 ; 

 Pairing of Spiders, 150 ; Notes on 

 Mound-making Ants, 154; Com- 

 bats and Kiditieation of the Pave- 

 ment Ant, Tetramorium csespi- 

 tum, 156 ; On Myrmecocystus 

 Mexicanus, Wesm., 197. 



McCreary, J. B., Announcement of 

 death of, 195. 



Maury, F. F., Announcement of 

 death of, 156. 



Meehan, Thos., Solidago odora as a 

 "Tea" plant, 10 ; Note on Opuntia 

 prolifera, Eng., 64; On hybrid 

 Fuchsias, 137 ; On special fecundity 

 in plants, 138 ; Do snakes swallow 

 their young? 139 ; Note on Lonas 

 inodora, 163 ; On sex in Castanea 

 Americana, 165; Variations in 

 Thuja and Retinospora, 209 ; Re- 

 port of Botanical Section, 450. 



Meigs, J. Aitken, Announcement of 

 death of, 279. 



Miller, E. Spencer, Announcement 

 of death of, 65. 



Mineralogical Section, change of 

 name, 380 ; Report of, 454. 



Nolan, Edw. J., Report of the Record- 

 ing Secretary, 438 ; Report of the 

 Librarian, 440. 



Officers for 1880, 457. 



Parker, A. J., Complete connection 

 of Fissura Centralis (Fiss. of Ro- 

 lando) with the Fossa Sylvii, 428. 



Peace, Ed., Announcement of death 

 of, 203. 



Potts, Ed., On the supposed sensitive 

 character of glands of the Ascle- 

 piadacse, 205. 



President, Report of, 432. 



Rand, T. D., Report of Mineralogical 

 Section, 454. 



Recording Secretary, Report of, 438. 



Redfield, J 11., Report of Conserva- 

 tor of Botanical Section, 451. 



Report of President, 432. 



Report of Recording Secretary, 438. 



Report of Corresponding Secretary, 

 439. 



Report of Librarian, 440. 



Report of Curators, 441. 



Report of Biological and Microsco- 

 pical Section, 444. 



Report of Conchological Section, 445. 



Report of Entomological Section, 

 448. 



Report of Botanical Section, 450. 



Report of Mineralogical Section, 454. 



Roberts, S. R., Report of Concho- 

 logical Section, 445. 



Ruschenberger, W. S. W., Report of 

 the President, 432. 



Ryder, J. A., Further notes on the 

 mechanical genesis of Tooth-forms, 

 10, 47 ; Morphological Notes on 

 the limbs of the Amphiumidae, as 

 indicating a possible synonymy of 

 the supposed genera, 14 ; Descrip- 

 tion of a new species of Chiroceph- 

 alus, 138, 148 ; Notice of a new 

 Pauropod, 139 ; Honey glands on 

 Catalpa leaves, 161 ; The larva of 

 Eurypauropus spinosus, 164; De- 

 scription of a new Branchipod, 

 197, 200. 



Siegfried, Chas. A., Natives of Botel 

 Tobago, 33. 



Smyth, Francis G., Announcement 

 of death of, 195. 



Wachsmuth, Chas., and Frank 

 Springer, Revision of the Palreo- 

 crinoidea, Part I, the families Ich- 

 thyocrinidse and Cyathocrinidas, 

 209, 226. 



Williams, H. J., Announcement of 

 death of, 65. 



