26 



Coxa 2 with one spine forward and 



one backward; coxa 3 with 2 



spiues backward L. albatus (C. L. Koch). 



Coxa 2 with one spine forward . L. albato-ajfinis Oudms. 

 With 8 intermediate shields. . . 4 



With 6 ditto 5 



With 4 ditto 6 



All the intermediate shields distinct L. lepidopeltis Klti. 

 4 interm. shields distinct; 4 rudim. L. lobatus Klti. 

 Legs slender, esp. 1 and 4 . . . L. rhinolophi Oudms. 

 Legs thick and short, esp. 1 and 2 L. chelophorus Oudms. 

 Post. dors. shield with 4 or 6 bristles L. musculi (C. L. Koch) 

 Post. dors. shield with 2 bristles . 7 

 Post. dors. shield. half as wide as ant. L. lacertarum (Cont.) 

 Post. dors. shield much narrower . L. saurarum Oudms. 



Maks. 



With broom of bristles around anus L.corethroproctus Oudms. 



Without broom .2 



With 2 enormous curved spines on 



each side L. uncinatus Can. 



Without such unci 3 



Dors. shield narrow, surrounded by 



unprotected skin L. musculi (C. L. Koch) 



Dors. shield wide, occasionally and 



esp. post. surrounded by narrow 



unprotected margin 4 



Distinct demarcation between sterni- 



genital and ventri-anal shield . 5 



No such demarcation 6 



Dors. shield post. with free crescent- 



shaped border L, lobatus Klti. 



Dors. shield without free border . L. lepidopeltis Klti. 



Femur 3 with spur L. lacertarum fCont). 



Femur 3 without spur 7 



