1912.] 



NATURAL SCIENCES OF PHILADELPHIA. 



597 



GENERAL INDEX. 



1912. 



Additions to Museum, 569. 



Baily, William L. An ornithological 

 trip to the Magdalen Islands (no ab- 

 stract), 2. The photography of wild 

 birds (no abstract), 142. 



Banquet, 149. 



Bascom, Florence. The petrographic 

 province of Neponset, Massachu- 

 setts (no abstract). The lavas of 

 South Mountain, Pennsylvania 

 (no abstract), 156. 



Bellows, Horace, announcement of 

 death of, 490. 



Berry, J. Stillman. A catalogue of 

 Japanese Cephalopoda (Plates V- 

 IX), 380, 489. 



Biological and Microscopical Section, 

 report of, 559. 



Botanical Section, report of, 562. 



Boulenger, G. A. A synopsis of the 

 genus Mastacembelus, 130. 



Boyer, Charles S. Report of Biological 

 and Microscopical Section, 559. 



Brown, Amos P., and H. A. Pilsbry. 

 Notes on a collection of fossils from 

 Wilmington, N. C. (Plate I), 130, 

 152. Fauna of the Gatun Formation, 

 Isthmus of Panama, II (Plates 

 XXII-XXVI), 499, 500. 



Brown, Stewardson. Report of Bo- 

 tanical Section, 563. 



Bryant, Henry C. Government agen- 

 cies in the advancement of geo- 

 graphical knowledge in the United 

 States, 148. 



Burns, Charles Marquedent, vote of 

 thanks to, 7. 



Calvert, Philip P. Report on Second 

 International Entomological Con- 

 gress (no abstract), 490. Waterfall 

 inhabiting dragonflies of Costa Rica 

 (no abstract), 491. 



Caudell, A. N., and Morgan Hebard. 

 Fixation of the single type (lecto- 

 type) specimens of species of Ameri- 

 can Orthoptera, Part II, 154, 157. 

 See Rehn and Hebard. 



Centenary celebration, 129. Resolu- 

 tions, 155. 



Clarke, John M. Early adaptation in 

 feeding habits of starfishes, 6. 



Colton, Harold Sellers. Lymnaea 

 columella, and self-fertilization, 156, 

 173. 



Committees, Standing, 1. 



Conklin, Edwin G. Experimental 

 studies in nuclear and cell division 

 in the eggs of Crepidula, 134, 489. 



Conesponding Secretary, report of,. 

 549. 



Council, 1913, 567. 



Curators, report of, 555. 



Dahlgren, Ulric. On the production 

 of light by animals (no abstract), 

 7. 



Dall, William H. Mollusk-fauna of 

 northwest America (no abstract), 

 148. 



Department of Mollusca, report of, 

 558. 



Dickey, Rev. Charles A., announce- 

 ment of death of, 2. 



Dixon, Samuel G., presentation of 

 portrait of, 400. Report of Curators, 

 555. 



Dixon, Samuel G., Mrs. Dixon and 

 Miss Dixon. Centenary reception, 

 143. 



Donaldson, Henry H. The history and 

 zoological position of the albino rat,. 

 136. 



Dyer, Sir William Thiselton. On the 

 supposed Tertiary antarctic conti- 

 nent, 130. 



Election, annual, 566. 



Elections in 1912, 568. 



Entomological Section, report of, 560. 



Fowler, Henry W. Description of nine 

 new eels, with notes on other species, 

 6, 8. Record of fishes from the 

 Middle Atlantic Coast and Virginia, 

 6, 34. 



P'ukuda, T. Statistical studies on 

 variation in the wing-length of a 

 butterfly of the sub-family Satyrinse, 

 277, 489. 



Furness, Horace Howard, announce- 

 ment of death, of 490. 



