ADVERTISEMENTS. 



THE POSTAL EXCHANGE CLUB. 



There has been some unavoidable delay in the sending off the boxes, but they will move 

 better as all get used to the working of the club. No. i box will be late about a week, 

 having to travel to Lerwick, where Mr. Roper Curzon is now collecting. No. 2 box must 

 not be sent to Miss Decie this round, as she is at the New Forest ; send it to the next in 

 turn. Mr. White having been transferred to No. 2 circuit, will Mr. Bates send him a few 

 Vetulata by post ; his address is J. S. White, 15, Medlock Road, Droylsden, near Man- 

 chester. There is still a vacancy or two for new members, especially those who collect 

 other orders than Lepidoptera. All communications to be addressed — JOHN E. ROB- 

 SON, Hartlepool. 



Price 4d. Monthly, 



THE SCIENTIFIC ENQUIRER, 



Is intended to afford to the Scientific Enquirer a medium through which 

 he may ask for and obtain information on every Scientific Subject. It is 

 divided into the following sections, viz. — Queries, Answers, Short Papers 

 and Notes, Extracts, Reviews, Correspondence, Sale and Exchange 

 Column, &c. 



FIFTH YEAR OF PUBLICATION. 



THE JOURNAL OF 



Microscopy and Natural Science, 



Published Quarterly, Price 1/6. 



Is the recognised organ of the POSTAL MICROSCOPICAL SOCIETY, 

 and contains a number of valuable and interesting articles relating to every 

 department of Microscopy and the allied Sciences, written by experienced 

 Microscopists and Specialists, and illustrated by a number of Lithographic 

 Plates. It is not only one of the largest and cheapest, but also one of the 

 most widely circulated journals of its class. 



Both Journals are Edited Published by Mr. Alfred Allen, Ron, Sec. of the 

 Postal Microscopical Society. 



London: BAILLIERE, TINDALL, & COX, 20, King William St., Strand, W.C. 



And all Booksellers. 



FOR SALE. 



LARGE STOCK OP EUROPEAN AND EXOTIC 



MACRO-LEPIDO PTERA & COLE OPT ERA, 2 



And other Insects; also of 



BIRDS' EGGS, and all Entomological Apparatus* 



Price Lists will be sent on application, GRATIS and POST FREE. 



A. KRICHELDORFF, 135, Oranien-Strasse, Berlin. 



