ERRATi\. 
5f)4 
Errata to Mr. W. F. Purcell’s Paper, “Develop- 
ment and Origin of the Respiratory Organs 
in Aranese.” 
Pul)lished in the Quart. Jonrn. Micv. Sci.. vol. 54, Part 1, 
September, 1909. 
Page 2, line nineteen from top, for Scytodidai read Sicariidse. 
Page 26, line five from top, for pp. 17-20 read p. 24. 
Page 43, line twenty-one from top, for 49 read 35. 
Page 54, line seven from top, for 20 read 46. 
Page 59, line three from top, for left read right. 
Page 71, line nine from top, for Scytodidas read Sicariidte. 
Page 79, line four from hottom, for 33 read 40. 
Page 82, line sixteen from bottom, for 17-44 read 25-28. 
Page 103, line nineteen from bottom, for yellow read grey. 
Page 105, line three from top, for anterior and posterior read 
ventral and dorsal. 
Page 106, line thirteen from bottom, for anterior read posterior. 
Page 108, line two from top, for 22 a read 23a. Line eleven from 
top, strikeout Adult or snb-adiilt spiders. 
Plate 1, figs. 6 and 6a, for ab. opp. 8-11 read ah. app. 1-4. 
