57 



ERRATA. 



Some of the typographical errors, wliieh may be found in the 

 Bulletins, have been corroeted with pen and ink. in part of the 

 editions, before distribution, others liave not been. The following 

 corrections should be made: 



Bulletin No. 8. p. 14. ()th line from the tojj, read radiiU for "radical." 

 Page 17, read Eretmocrinus cassedayanus for "Eretmocrinus 

 lyonanus." Page 18. read A. Cassaday for Sidney 8. Lyon, and op- 

 posite ijlate III. read Eretmocrinus cassedayanus for "Eretmocrinus 

 lyonanus." Page 47, I'ead Taxocrinid;« for "Taxicrinidjie." Op- 

 posite plate VTI, read Campophylhim kansasense for Cam])o])hyllum 

 "knnsasenis." 



15ulletiu No. ."). p. it, ^d line from top for "Strlcoci/stilcfi" read 

 Atch'octjsfilcs and in the third line read ivcfjierhyi. Pages S and IS. 

 read Jxiislis for ''Kiislis." Page 22, read M. wclherbiji. 



Bulletin No. 6, p. 35, 2()th line from top, for present read prevent. 

 Page H9, in the last line, for "apert\]res" reatl aperture. Page 50, 

 9th line from the top, read truncates for "truncated." Page 52, 12th 

 line from the top, for "cinque Foil', read cinquefoil. Opposite plate 

 III, read tugurium for "turguium." 



Bulletin No. 7. p. \?>, read s!im])soni for "Sampsoni" in two places. 

 Page 47, 12th line from the bottom, read, not the light, for "that of 

 light," and insert the word "for" between "not" and "the," in the 

 loth line from \\\(' bottom, and. on same page, read chouteauensis for 

 "Chouteauensis." Page 83, read krinon for " Ivriiinni." Page S'.), 

 12th line from the bottom, read or, for "as." 



Bulletin Nf). 8, p. G. 15th line from the bottom, and in the last 

 line, read siiiiiotni.s for "f^iniiosiifi." Page. 8, 17th Vnw from the top. 

 read lachis tov "lucUis." Pa.ge 38, 20th line from the top, read there 

 for "then." Pa,go (U, read tiiliu-iciis instead of "Siluricua.'' Op- 

 posite plates I and II read jessiete for "jessiit)." 

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