ON THE STUDY UF ENTOMOLOGY. 743 
increasing the pressure every day ; they must remain till quite dry, 
supplying them with dry paper every day. The hest way for drying 
Succulent and mucilaginous plants, such as Cactus, Epiphyllum, 
Cereus, Melocactus, &c. is witli a hot smoothing-iron, the specimens 
placed between sheets of the blotting-paper, and ironed till they 
become sufficiently dry. 
When properly dried, the specimens should be arranged into ge- 
neral classes and orders, (which will be hereafter explained) and fas- 
tened in a book, provided for the purpose, with small slips of green 
paper ; then at the base of the specimen, should be written down the 
name of the genus and species, its native country, time of introduc- 
tion, (if of foreign produce,) natiu'o of the soil, colour of the flower, 
and time of flowering. 
F. F. ASHFOKI). 
Rude Hall, Cheshire, Jul;/ lOth, lH,i± 
ARTICLE XVIII. 
ON THE STUDY OF ENTOMOLOGY.— Bv Rusxicus. 
( Continued from paije 65A.) 
Subsection 3rd — Serric'ornes ; Sternoxi Lat. With filiform 
Antennae. 
Family XXXI 1. — BuprestidjE ; Cow-burners, 5 Genera. 
1 Buprestis 3 Aphanisticus 
2 Agrilus 4 Trachys 5 Melasis 
Most of the species of this family are very rich, resplendent, and 
beautiful in their colours, they are all timber-eating insects, and often 
prove very destructive from the long period they continue in a larva 
state. Marshman tells us in the Lin. Trans. X. that the gi'ub of the 
B. splendens was ascertained to exist in the wood of a deal table, 
more than 20 years. The B. flavomaculata is very elegant, and far 
from being uncommon in sandy soils, where timber has begun to rot; 
its head enters within the thorax, and the Elytra (wing-cases) are 
each adorned with four, and occasionall}'^ five spots of a bright yel- 
low colour : the upper side of the abdomen is bright blue. 
Family XXXIII. — Elate'rid^ ; Clickers, Skijipers, &c. 12 Genera. 
1 Ceratophytum T Unnamed by Mr. ^ 9 f Unnamed by Mr. 
2 Eucnemis 5 ) Stephen's but pla- fir,) Stephen's, but pla- 
3 Hemirhipus 6 j cedby Mr. Curtis C j ced by Mr. C. un- 
4 Elater ' under genus elator} II { der genus Elator. 
7 Ludius 12 Campy lis 
8 Clenioccrus 
