It is recommended that this volume be bound in the following order: — Title-page; 

 text and sTStematic index, p. 1-309: Psyche adveetiskk (covers, including Ento- 

 mological items, advertisements, &c.). except the reprints from Dimmock's Special 

 bibliographies: reprints from Dimmock's Special bibliographies: Alphabetic index; 

 Correction of errors detected. 



The issues of Psyche advertiser were as follows, each issue going out with the 

 Psyche of corresponding date : — Jan.-Feb. 1877, [4] p.: ilarch-April 1877, [4] p.; 

 May-June 1877. [4 p.]; July-Aug. 1877. 8 p.: Sept.-Oct. 1877, 8 p.; Xov.-Dec. 1877 

 [erroneously dated --Sept. & Oct., 1877"], 8 p.; Jan.-Feb. 1878, 8 p.; March- April 

 1878, 10 p. (including, on p. 3-6, nos. 1-59 of the bibliography of the entomological 

 writings of John L. LeConte): May-Aug. 1878 [erroneously dated ''March & April, 

 1878"], 16 p. (including, p. 3-9, LeConte, nos. 60-149 [end]): Sept.-Dec. 1878 (p. 3-6, 

 (jeorge H. Hom-s entomological bibliography, nos. 1-53), 12 p.; Jan. 1879 (p. 7-9, 

 Horn, nos. 54-80 [end]), p. 1-2, 5-8; Feb. 1879 (p. 3-6, Samuel Hubbard Seudder's 

 bibliography, nos. 1-43), 12 p.; March 1879 (p. 3-6, Scudder. nos. 44-87), 12 p.; April 

 1879 (p. 3-6, Scudder, nos. 88-132), 12 p.; May-June 1879 (p. 3-6, Scudder, nos. 133- 

 183), 12 p.: July 1879 (p. 3-6, Scudder, nos. 184-225), 12 p.; August 1879 (p. 3-6, 

 Scudder, nos. 226-274), 12 p.; Sept.-Dec. 1879 (p. 3-6, Scudder, nos. 275-311 [end]), 

 p. 1-6. 3-4. 



The date of issue of each issue (single or compound ntimero) is given at the bottom 

 of the last page of the succeeding issue; nos. 65-68 were issued 9 April 1880; the 

 Alphabetic index was issued 7 April 1882: pages 297-300 (of the Systematic index) 

 were received from the printer 16 Feb. 1883; pages 301-304, 31 Aug. 1883; pages 

 305-308, 3 Xov. 1883; the rest was put to press 20 Dec. 1883. 



