CORRIGENDA. 



Page 11. Line 7 from top, for " bivalents " read " univalents." 

 56. Line 2 from bottom, for " spem-morula " read " sperm- 



morula." 



91. Line 11 from bottom, for " diseases " read " disease." 

 94. Line 11 from top, for "with a simple gut, a cerebral " 



read " without a gut. It has a cerebral." 

 94. Line 15 from top, read " and, in blood spaces in the wall 



of the snail's." 



99. line 5 from top, read " of the dog. The eggs from the.' 5 

 105. Left side of Figure 23. For N read No. Nucleus. 

 106. Line 16 from top, for " Oxyurus " read " Oxyuris." 

 110. Line 4 from top, delete " blood." 

 110. Line 9 from top, for " glands " read " spaces." 

 110. Line 23 from top, for " are " read " may be." 

 119. Line 6 from top, for "body-wall" read "section." 

 126. Lines 1, 5 and 13 from top, for blood read " blood." 

 127. Line 12 from bottom, for " Cypris " read " Cypris stage." 

 145. Line 10 from bottom, for " diseminator " read " dis- 

 seminator." 



146. Line 10 from top, for "between" read "in." 

 150. Figure 29, line 6, read " short in female Culicine mos- 

 quitoes." 



156. Line 13 from top, delete " six." 

 156. Line 11 from bottom, for " First pair of abdominal " 



read " Eighth pair of." 



163. Line 8 from bottom, for " form " read " surround." 

 165. Line 4 from bottom, for " nephridium " read " nephridia." 

 165. Lines 12 and 11 from bottom, delete " one part being 

 divided into ' arms ' with suckers and the other 

 portion." 



165. Line 18 from bottom, delete " not." 

 166. Line 10 from bottom, delete " Worm-like." 

 168. Line 11 from bottom, delete "front." 

 168. Line 10 from bottom, delete " portion of the " and 



delete " sucker-bearing ' arms', and the." 

 168. Line 9 from bottom, delete "hind portion forms." 

 171. Line 11 from bottom, for "but" read " ripening;." 

 174. Line 11 from top, for " branehia " read " branchiae." 

 174. Line 6 from bottom, for " chitinous " read "calcified." 

 175. Line 2 from bottom, for " drops " read " and drops." 



