-*■? 



1. 



') 



2. 



^1 



6. 



^y 



11. 



^? 



18. 



2, 



15. 



o 



30. 



3, 



1. 



4, 



3. 



4, 



25. 



11 



I^rase caterpillar. 



Read Myriapod. 



Read Handbuch. 



¥oY belly reakd segments. (J. H.) 



For baggy ^ a better word is spiny, (S. H. S.) — Insert '' probably" 

 after " some," since there are no known aquatic myriapods (J. 

 L.) 



Read aiitennw. 



Acanthotelson stimpsoni is classed by Packard, Mem. Nat. Acad 

 Sci. Vol. 3, 1887, p. 124, as the young of A. event. (A. W. V.) 



Insert AeervuUiria com munis, n. sp. See Appendix. 



24. Read, Oneidaense. 



Better figures of Acrothele matthewi will be found, with fall de- 

 scriptions in articles on Fauna of St. John Group. Note. — This 

 group is not equivalent to Menevian alone, but contains faunas 

 of Soloa, Menevian, and both Lower and Upper Lingula flags 

 of Great Britain. (G. F. M.) 



4, 38, over Actiiioceras insert Acrotreta, an important genus of the 



Cambrian. (G. F. M. ) See Appendix. 



5, 1. For Actinodesma, read Glyptodesma. (J. H.) 

 5, 11. Read Catskill. 



5, 35. Read Clay pole's. 

 6,14. Readboyai. (J. H.) 



6, 41. Insert Actlnopteria emacerata. See Appendix. 



7, 11. Erase the note ; for L. per str talis is a brachiopod. (J. H ; A. W.) 

 7, 20. For Actinopteria, read liciopteria. (J. H.) 



7, 31. For Noggerathia bockschian (properly Noeggeratliia bock- 



schlaua) read Archeeopteriiss bockscbiana. (L. L. and R. D 

 L.; 



7,32. Adaphlebia lacoaiia, Scudder. A hexapod insect (cockroach), 

 from Mazon Creek, 111. Mem. Bost. S. N. H. Vol. 3, 1835, p. 345, 

 pi. 32, fig. 6. Coal measures, XIII. 

 Aeihophlebia singularis, Scudder. A hexapod insect (cock- 

 roach), from Mazon Creek, III. Mem. Bost. N. H. S. vol. 3, 1835, 

 p. 338, plate 31, fig. 9. Goal measures, XIII. 



7,32. Insert White after spria^eri. (J. H.) 



8, 8. Erase corals (J. H. and J. M. S.) 

 8. 13. Read 1887. 



8, 14. Agnostls acadicusand A. eambrensis (lim^bati) belong to the same 

 group of Agnosti ; but A. brevi/rons, Angelin, belongs to the 

 quite different group of B rev i/ontes ; and A. inter str ictus, appar- 

 ently, to a third group, that of the Longifrontes. See Tulberg's 

 essay on the Agnosti. (G. F. M.) 



8, 21. For L and Lower, read M. and Middle. See foot note to p. 134. (C, 

 D. W.) 



8, 23. For E. read G. 



8, 24. Read Angelin. 



8, 25. Read integer. 



8, 26. Read Baar. 



8, 35. For M. and Middle, read L. and Lower (C. D. W.) 



8, 38. For Oboletla coelata, read Lingulella ccclata. (J. H. ) 



