CLOTHING OF SURFACE. 177 



are fewer and more elevated : and chained or catenatus is 

 when the space between two impressed lines is divided 

 into oblong elevations, and is supposed to resemble a chain. 



Clothing of Surface. — A smface is called tomentose or 

 lamiginosus when covered with a thick down : sericeous or 

 sericatus when the down is short, thick and silky : villose 

 or rillosus when the surface is covered with longer and 

 more distinct hairs : hirsute or li irsutus when covered with 

 long shaggy hair : crinite or crinitus when the hair is very 

 long and thin : squamous or squameus when covered 

 with distinct scale?. 



In the Pteracantha fasciata, the insect figured below, 

 the antennae may be termed^slightly serrated ; the elytra are 

 slightly carinated, and are distinguished by an acute spine 

 at their lower extremity or apex : the hght band across 

 the elytra is called a fascia, — hence the term fasciata. 



