104 CLASS VIII. ORDER YI, 



Sec* F. Tarsus always with three or with two 

 joints. 



COCCINELLA, .(lady-bug, ladies'-bird,) antennae 

 subclavate and truncate ; feelers with semicordate 

 tips ; body hemispheric, with the abdomen flat 

 beneath. 



ORDER 6. ORTHOPTERA. 



Having four wings, the outer pair generally of 

 a leathery texture ; the inner pair plaited hngi- 

 tudinally. 



FORFICULA, (earwig,) antennge setaceous ; wing- 

 sheaths halved ; wings covered ; tail forcipated. 



BLATTA, (cockroach,) head inflected ; antennae 

 setaceous ; wings flat, subcoriaceous ; thorax flat- 

 ish orbicular, margined ; feet formed for running; 

 hornlets- two over the tail. 



MANTIS, (soothsayer,) head unsteady, armed 

 with jaws and furnished with palpi or feelers ; an- 

 tennae setaceous ; thorax linear; wings 4, membra- 

 naceous, convolute ; the lower pair pl&ted ; fore- 

 legs, in most species, compressed, serrated beneath 

 and armed with a single claw and with a setace- 

 ous, lateral, jointed foot ; hind-legs smooth, form- 

 ed for walking. 



PHASMA, (spectre,) head large ; antennse fili- 

 form ; eyes small, rounded stemmata 8, between 

 the eyes ; wings 4, membranaceous, the upper 

 pair abbreviated, the lower plaited ; feet formed 

 for walking. 



GRYLLUS, (grass-hopper, locust,) head inflected^ 

 armed with jaws, and furnished with feelers ; an- 

 teimain most species, either filiform or setaceous^ 



