BEETLES. 41 



IV. Lcpidoptera. Butterflies are Insects with four expanded wings, 



covered with coloured farinaceous scales. 

 V. Neuroptera. Net-winged Insects are those which have four 

 transparent, net-woven, or lattice-like wings, as the 

 Dragon-fly, &c. 

 VI. Hymenoptera. Vein-winged Insects, with four transparent, veined 

 wings, and generally provided with a venomous 

 sting, as Bees, Wasps, &c. 

 VII. Diptera. Two-winged Insects, as Flies and Musquitoes. 

 VIII. Aptera. Wingless Insects, as Ticks, Lice, &c. 



Beetles — Continued. 



Having now laid down the general divisions of 

 Entomology, and the arrangement I intend pursuing 

 in the following pages, it remains to continue the 

 Natural History of Coleopterous Insects which we have 

 already commenced. 



But, before speaking of the Insects themselves, I 

 cannot omit a passing tribute of gratitude to the inge- 

 nious friend through whose valuable aid I have been 

 enabled to spread them out before my readers in all 

 their lifelike attire. Most of the Insects presented in 

 this and the succeeding Plate, and many that will ap- 

 pear hereafter, have been originally drawn and painted 

 from nature by my friend, Washington Hoppin, M.D., 

 of this city, who, although an amateur, only relieving 

 the monotony of professional life by an occasional dis- 



