GENEEAL IXDEX TO VOLUME XX 



Xtunes of Authors and other I'ersons in Heavy-face Type 

 Titles of Papers in small caps 



Abercrombie, D. R., Active Member, 42^ 

 Active Members. List of, 462-468 

 Additional Notes on the Intekbedued 



Limestone in the Fokdham 



Gneiss of New Youk City. 



Charles P. Berkey, [Abstract], 



421 



AUVERTISEitENT, I'SYCHOLOGICAL MEAS- 

 tREMENTS OF THE "PCLONG 



Towek" OF AN. H. L. HoUing- 



worth, [Al)stract], 4U6 

 Agassiz, Alexander, Death of, 41:'. 

 Allen, E. T., and Day, A. L., ciied, ll.T,. 



]21 

 Allen, White, Wriglit aiul Larsen, cited, 



140 

 Allen, E. T., Wright, F. E. .uul Clement, 



J. K., cited, 140 

 Ainhocalia pUniiconvcxa vai'. faiivilc- 



vilUnsls var. nov.. 221 

 Amendment to the Constitution. 408 

 American Species of CcrlthiUJa-. 30-33 

 American Spiders. Some New or Lit- 

 tle Known. Alexander Petrunke- 



vitch, [Title], 400 

 Ames, Oakes, Active ;Mond)er. 422 

 AiiipJiiporclIa gen. nov.. 100 



maculosa sp. nov., 200 

 Aiiiphissites gen. nov.. 235 



rugosus sp. nov.. 230 

 Anatomical Model. The I'reparation 



OF a Museum. Ignaz Matausch, 



[Abstract], 400. 41 u 

 Andreae and Osann, cited. lOC. 

 Aiuiual Meeting. 430 

 Antlu'<)polog.v and I'sycholoi^y. Section 



of. 402. 40ri. 41 L 41.".. 424. 428 



Ants of the Genus Camponotus Mayii, 

 The North American, William 

 M. Wheeler, 295-354 



Api'lication of the Quadrate-Incus 

 Theory to the Conditions in 



ThERIODONT IvEPTILES AXD THE 



Genetic Relations of the Lat- 

 ter TO THE Mammalia, W. K. 

 Gregory, [Abstract], 403, 404 



Arkansas, Description of Some New 

 Genera and Species of Carhon 

 I FERGUS Fossils from the Fay- 

 etteville Shales of, George H, 

 Girty, [Title], 421 



Arkansas, New Genera and Species 

 OF Carboniferous Fossils from 

 the Fayetteville Shale of, 

 George H. Girty, 189-238 



Arkansas, a Spheroidal Basic Dike 

 FROM. James F. Kemp, [Title]. 41 s 



Ashby, George E., Active Memiicr. 412 



Associate Members, List of, 408 



Axtarfrlla ? forrestcri sp. nov., 242 



Astronomy, Physics and Chemistry, Sec- 

 tion of, 402, 405, 410, 414, 420, 

 423. 428 



Alrcsiiis cnnnicHaninn. 79 



Attention Wave. The. J. V. Breitw^ie- 

 ser, [Title], 415 



Axstralian Clan Exoga?iiv. A. A. Gol- 

 denweiser, [Abstract]. 411 



Auzits system of coal deposits, 248. 250. 

 251 



A riciilipccicit ? houtxceWi sp. nov.. 210, 

 241 

 curticardlintlis. 2:;9 

 iiifipccios'iis s]). nov.. 229 



(471) 



