180 



ERRATA. 



On the formation of bark and wood, 

 13 ; On the Stipules of Magnolia and 

 Liriodendron, 71,114; On Rumex 

 oblongifolius, 71 ; On Fertilization 

 of plants, 90; On Fasciations, 91 ; 

 On the flowers of Aralia spinosa 

 and Hedera helix, 99, 107 ; On 

 Phyllotaxis, 102 ; On a singular 

 habit in Reduvius novenarius, Say, 

 110; Notes on Silphium lancinia- 

 tum, L. 117; On the exercise of 

 direct force by plants, 125; Bud 

 Varieties, 128 ; On Madura auran- 

 tiaca, 132. 



Norris, Thaddeus, Remarks on fish 

 culture, 110. 



Officers for 1871, 157. 



Rand, Theo, D., On a remarkable ex- 

 posure of rocks, 134. 



Redfield, Remarks or Botrychium 

 lunarioides and B. lanceolatum, 91. 



Ridgway, Robt., A new classification 

 of the North American Falconidae, 

 134, 138. 



Report of the Librarian, 150. 

 Report of the Curators, 151. 

 Report of the Botanical Committee, 



152. 

 Report of Recording Secretary, 153. 

 Report of Biological Section, 153. 

 Reports of the Conchological Section, 



154. 



Standing Committees for 1870. 



Streets, T. Hale, Remarks on Huxley's 

 classification of Birds, 71, 84; On 

 the cranium of an Owl, 73 : Notice 

 of some Crustaceans of the genus 

 Libinia with descriptions of three 

 new species, 96, 104. 



Thomas, Cyrus, Description of new 

 species of Grasshoppers from Colo- 

 rado, 66, 74. 



Wharton, Jos., Remarks on Nickel ore 



at Gap, Lancaster Co., Pa. 

 Willard, Prof., Remarks on a deposit 



of Clay, 122. 

 Wilstach, Wm. P., Announcement of 



death of, and resolutions in regard 



to, 103. 



ERRATA 



Page 25, fourteenth line from bottom, for " subrachial," read subbrachial. 

 " 31, fifteenth line from bottom, for " basas," read basal; and sixteenth 



line from bottom, for '' basasal," read basal. 

 " 38, tenth line from bottom, insert it before " my ; " and twenty-fifth line 

 from bottom, for " this," read their. 



45, twenty-first line from bottom, insert section after "Illinois." 



46, fourteenth line from bottom, for "Jour.," read Iowa. 

 51, sixteenth line from bottom, for "isolated," read involuted. 

 56, twelfth and eighteenth lines from top, for " Clerence," read Clarence ; 



and thirty-sixth line, for " is," read are. 



59, second and twentieth lines from bottom, for " Vortifex," read Vor- 

 ticifex. 



60, erase the parenthetic marks in the fifteenth line from top. 

 74, twenty-fourth line from bottom, for "principle," read principal. 

 80, after " (E. pruinosa, nov. sp.," insert = Gr. trifasciatus, (Say). 



" 83, after " B. nigrum, nor. sp.," insert = Gr. nubilus, (Say). 



" 130, for " B. H. Bannister," read H. M. Bannister; on twelfth line of 



article, for "recurved," read decurved, 

 " 131, " Scopoli " should be in small type, except the initial letter, so as to 



read as the authority for the generic name ; on the last line, for 



"Lewast," read (Sewast). In the first line of the note at foot of 



page, for " Bran/e," read Branta. 

 The authorities for all the specific names, except those for Anser 



hyperboreus, A. rossii, and A. gambelli, should be in brackets. 



it 



I! 

 li 

 (I 



11 

 11 

 11 



