224 PROCEEDINGS OF THE ACADEMY OP [1886. 



Part II, 



On p. 207 (Ex, Ed,, p. 33), 4th line from bottom, for "inverted" read 

 ^'recumbent.'''' 



On p. 247 (Ex. Ed., p. 78), 19tli line from bottom, for " ornigranules " 

 read " ornigranulus.''^ 



On p, 250 (Ex. Ed,, p, 76), 4tli line from top, for "vesiculus" read 

 ^' vesiculosus.'" 



On p. 281 (Ex. Ed., p, 107), 20th line from top, for " elongatulus " 

 i-ead ' ' elegantulus. ' ' 



On p. 281 (Ex. Ed., p. 107), IGth line from top, for "comptus" read 

 "comtus;^' and 20th line from bottom, for " Harbrocrinus " read 

 " Habrocrinus.^' 



On p. 298 (Ex, Ed., p. 124), 2d line from top, for "posterior" read 

 " superior.'''' 



On p. 299 (Ex. Ed., p. 125), 7th line from top, for "first" read "second,:'' 



Onp, 319 (Ex, Ed,, p. 145), 2d line from bottom, for "tennuis" read 

 "tenuis:^ 



On p, 320 (Ex. Ed,, p. 146), 1st line from top, for " tennuisculptus " 

 read " tenuisculptus:' 



Onp. 356 (Ex. Ed., p. 182), 12th line from top, for "basals" read 

 "underiasals.'^ 



On p. 389 (Ex. Ed., p. 215), 4th and 11th lines from top, for "pendant" 

 read " pendent: ' 



On p. 393 (Ex. Ed., p. 219), 14th line from top, for " mammilaris " read 

 "moAnmiUaris:' 



Part III, Sect, I. 



Onp. 228 (Ex. Ed,, p. 6), top line, insert after "and" the words "we 

 think:' 



Onp, 229 (Ex, Ed., p. 7), 5th line from bottom, for "radials" read 

 "interradials:' and 4th line from bottom, for " interradials " read 

 "radials:' 



Onp. 230 (Ex. Ed,, p, 8), 15th line from top, after the word "cirrhi" 

 insert * ' when present. ' ' 



On p. 232 (Ex. Ed., p. 10), 10th and 11th lines from top, for "postero- 

 lateral" read " antero-lateraV 



On p. 235 (Ex, Ed., p. 13), 8th and 10th lines from top, for " PI, 6 " read 

 "PI. 5;" also 4th line from bottom, for " Hoplocrinus " re?id."naplocrinus:' 



On p. 241 (Ex. Ed., p. 19) : Our statement in the 16th and 17th lines from 

 bottom has been made the basis of a criticism by Dr. P. H. Carpenter, which 

 is well founded. It did not properly express our meaning, and we change 

 it as follows : Strike out all after the word "present" to the end of the 

 sentence, and insert : "in others apparently absent externally, either as a 

 rule or occasionally, but in these cases ice believe them to be represented on the 

 ventral side, as in the Crotalocrinidce:' In the same connection, on p. 295 

 (Ex. Ed,, p, 73), m the 12th line from the top, strike out "all," and after 

 the word "are" insert "generally:^ 



