1 11 INDIAN INSECTS, ETC. 



[CHAP. 1. 



I ig. 8. Various forms ol Legs in Orthopterous Insects. (Original.) 



[.Typical I I walking Ins divis into joints ; 2, Jumping 



i ■ Cyrtacanthacris ranacea) ; !, Running Leg I Hind) of Periplancta 

 americana; Predaceous Forelej oi (4) a Mantid .mil (5) Gongylus gongy 

 lodes; Di| ring Foreleg oi (6) Gryllotalpa africana and (7) Schizodactyl us 

 monstrosus noti thickened tibia oi lattti : B, Hindleg "I S. monstrosits with 

 accessory tarsal lobes : 9, Swimming Hindleg ol Scelimena note lateral expanded 

 nai in tl a\ Foreli ol (10) Mecopoda elongata and 111) Sathrophyllia 

 arrying aural cavities (marked a in each). It should be noted th il ill 

 thi i arious types ol Legs occur within the limits "I ilu single Ordci ol 

 iti ra 



adult insect they are ordinarily composed of five distinct portions 

 which (reckoning from the bod} outwards) aTe called the coxa, 

 trochanter, femur, tibia and tarsus, these parts being jointed to one 

 another and the coxa to the body, and the tarsus being divided 

 as a rule into a variable (up to five) number of joints and terminating 

 in a pair of claws. The coxa and trochanter arc generally small 

 and inconspicuous, bul the former is large in the case of cock- 

 roaches. All the paits, but especially the tibia and tarsus, may be 

 provided with hairs, spines, spurs or other appendages which are 

 used for particular purposes, or the whole leg ma) be modified to 

 fulfil a special purpose ; as instances ol this maj be specified the 



