TO ENTOMOLOGISTS. 
The New Adjustable 
[ING + BOARD. & 
The undersigned begs leave to call your attention to the New Adjust 
Spreading Board. It is 134 inches long and takes insects from the smallest 
up to those measuring 6 inches across the wings. It can be readily adjuste 
the exact thickness of any Butterfly by means of two thumb screws, as sb 
in the above cut. 
The sides slope upward } to the inch. The boards are made of the best soft material 
perfectly smooth and $ inch thick, the ends are set in cast iron sockets and are thoroughly © 
The bridge which holds the pins is } x 1 inch in size and laid out with the best cork 4 inch thi 
Above are made in two sizes. 
No. 1. will take from the smallest up to insects not exceeding 4} inches in breath of Ww 
Price $4.00 per Dozen or 35 cents each. 
4 
No. 2 will take from the smallest up to insects not exceeding 6} inches in breadth of w_ 
Price $4.25 per doz. or 38 cents each. 
All Orders must be accompanied by Cash. We will furnish sample: 
mail prepaid for 50c. Remittances can be sent by Postal Money Order or I 
istered Letter. 
We are allowed to refer to 
Rev. Gro. D. Hurst, Editor of Entomoligica Americana, 15 Himrod St., Brooklyn. 
Mr. Jacozs Donn, 55 Graham Ave., Brooklyn. | 
Mr. Otro Serrert, 260 7th Ave. New York. 
Mr. H. Mrsxz, 1329 Myrtle Aye, Brooklyn. 
Mr. Ep. Brrexer, 132 Scholes Street, Brooklyn. ; 
All of whom have used the boards and thoroughly recommend them. 
KIRSCH & ZIMMERMANN, | 
762 Lexington Avenue, Brooklyn, N. Y. 
Please hand this to your Friend. 
