PRESERVATION OF INSECTS. 293 



monthly numbers, on the last day of every month, 

 containing, occasionally, coloured plates, and vary- 

 ing in its quantity of letter-press. 



953. Entomological Cabinet, by George Sa- 

 mouelle, A. L. S., published in monthly numbers 

 on the 1st of every month, containing six coloured 

 plates, and twelve pages of letter-press. 



954. Entomological Magazine, by various au- 

 thors. This work is published in quarterly 

 numbers, on the 1st of January, April, July, and 

 October ; containing one plate (generally un- 

 coloured), and 104 pages of letter-press. It is 

 open to all contributors. 



955. Transactions of the Entomological So- 

 ciety of London, by various contributors ; a single 

 number only at present published. This work is 

 to contain no uniform number of plates or letter- 

 press, and the periods of publication not fixed. 

 The 1st number has seven plates, some of them 

 coloured ; and 66 pages, besides an Appendix. 



