57 



ERRATA. 



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

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

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

 corrections should be made: 



Bulletin No. 3, p. 14, 6th line from the top, read radial for "radical." 

 Page IT, read Eretmocrinus cassedayanus for "Eretmocrinus 

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

 posite plate III. read Eretmocrinus cassedayanus for "Eretmocrinus 

 lyonanus." Page 47, read Taxqcrinidse for "Taxicrinidse." Op- 

 posite plate VII, read Campophyllum kansasense for Campophyllum 

 "kansasenis." 



Bulletin No. 5. p. 9, 2d line from top for "Steleocystites" read 

 Ateleocystites and in the third line read loetherbyi. Pages 8 and 18, 

 read Icustis for "Kustis." Page 22, read M. wetherbyi. 



Bulletin No. 6, p. 35, 20th line from top, for present read prevent. 

 Page 39, in the last line, for "apertures" read 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. 13, read sampsoni 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 

 10th line from the bottom, and, on same page, read chouteauensis for 

 "Chouteauensis." Page 83, read krinon for "Krimon." Page 89, 

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



Bulletin No. 8, p. 6, 15th line from the bottom, and in the last 

 line, read sinuosus for "sinnosus" Page 8, 17th line from the top, 

 read laetus for "lactus." Page 38, 20th line from the top, read there 

 for "then." Page 64, read siluricus instead of "Siluricus" Op- 

 posite plates I and II read jessieas for "jessise." 

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