liv THE PALEONTOLOGY OF MINNESOTA. 
ERRATA. 
FOR PART I, PAGES 1 TO 474. 
P. 9. Add note on ‘2. Sequoia. winchelli Lx.” as follows: This species was found at Austin and is not 
known to occur near New Ulm. 
P.9. For ‘'7. Populus winchelli, sp. nov,” read 7. Populites winchelli, sp. nov. 
P.9. After ‘19. Aralia radiata Lx.” dele ‘‘+” in the first column and insertit in the third. 
P. 36. Tenth line from top, for ‘‘PLATE B” read PLATE D. 
Plate D. Fourth line from bottom of explanation, for “‘ARBULINA” read ORBULINA. 
. 69. Under “A NOMALOSPONGIA” insert pLate rv, Fies 13-15. 
.85. Sixth line from top, for ‘‘Galena shales” read Trenton shales. 
. 92. First line in description of figure, for ‘‘Galena” read Trenton. 
106. Under ‘‘Family PrrLopicryonipas” add Escharopora HALL. 
106. Under ‘‘Family RHINIDICTYONID&”’ add Trigonodictya ULRICH. 
107. Under ‘‘Family BATosToMELLID2&” add Hridotrypa ULRICH. 
107. Under “Family DieLOTRYPID2&” add Stromatotrypa ULRICH. 
107. Under “Family CerAMOPORIDA” add Bythotrypa ULRICH. 
110. Twenty-first line from bottom, for “Dichtyotrypa” read Dichotrypa. 
157. Thirteenth line from bottom, add PLATE VIII, FIGS. 4 and 5. 
171. Second line from top, for “Fres. 112” read PIGS. 1-11. 
178, Eleventh line from top, for ‘“ANTHROPORA” read ARTHROPORA. 
180. Under “Section @” insert S. exigua Ulrich, Trenton limestone, Canada. 
.184, “STICTOPORELLA EXIGUA” should be described here; for description see explanation to 
plate XIII. 
P. 185. Fourteenth line from bottom, for ‘‘Clathopora” read Clathropora. 
P. 220. Eighteenth line from top, add Reappears in the upper part of the Galena shales. 
P. 244. First and second lines from bottom, dele “and only * * * * * Lower Silurian,” 
andada An examination of the types of this species proves it to be an Aspidopora. 
It should be added therefore to the species of that genus on page 255. 
P. 255. See erratum for page 244. 
P. 281. Fourteenth line from top, for -PiGs. 15” read FIGS. 13-15. 
P. 321. Fifth line from top, for ‘‘Stromatotrypa ovalis” reaa Stromatotrypa ovata. 
P. 339. Eleventh line from bottom, for ‘‘pl. L,’’ read pl. 1. 
P. 375. Fourth line from top, for ‘‘pl. rv H,” read pl.1v I. 
Pp. 382 and 388. Substitute Parastrophia in all places for ‘‘Anastrophia.” 
P. 385. Insert S. winchelli Hall, Trenton between the eighth and ninth lines, 
P. 391. Fourth line from top, for “pl. x1 A” read pl. rx A. 
P. 407. Seventeenth line from bottom, add PLATE XXXII, FIGS. 59 and 60. 
P. 453. Fifteenth line from top, for «Pras. 48 and 49" read FIGS. 48-50. 
P. 455. Second line from top, for “PIGS. 49 and 52” read PIGS. 51-54. 
P. 458. Second line from top, for “FIGS. 53 and 54” read FIGS. 55 and 56. 
Pp. 471. Seventh line from bottom, after “HHALLINA” add a note as follows: The genus Hallina 
is later known to be a young condition of Zygospira, of which itis asynonym. (See Proce. Biol. Soc. Washington, 1893.) 
DOW rN 
