ORISMOLOGY. 355 



rected thighs, usually of the fore-leg, have a chan- 

 nel for the reception of the tibiae, which are in- 

 flexed, and both armed with a double series of 

 spuiss. Ex. Mantis, Nepa. 



U. PREHENSORIOUS (Prehensorii). When the thighs of 

 the hind-legs converge and the tibiae diverge so as 

 to form an angle which is armed with spines. Ex. 

 Gonyleptes. PLATE XIV. FIG. 8 a . 



E. Hip (Coxa}. 



1. FIXED (Fix<z). When they are not moveable. Ex. 



Dytiscus, Gonyleptes. 



2. FREE (Liberte). 'When they are moveable. Ex. 



Hymenoptera, most Coleoptera. 



3. LAMINATE (Laminate}. When the posterior coxae 



form a broad thin plate which covers the trochanter 

 and the base of the thighs. Ex. Haliplus. PLATE 

 XV. FIG. I./'. 



4-. FLOCCULATE (Flocculate}. When the posterior 

 coxae are distinguished by a curling lock of hair 

 (Flocculus}. Ex. Andrena b . 



F. Trochanter (Trochanter'). 



1. FULCRANT (Fulcrans}. When the trochanter merely 



props the thigh below at the base, but does not 

 at all intervene between it and the coxa. Ex. Ca- 

 rabus, 



2. INTERCEPTING (Intercipiens}. When the trochanter 



intervenes between the thigh and the coxa, so as 



a See Kirbyin Linn. Trans, xii. 450. t. xxii./. 16. 

 b Mon. Ap, Angl. i. t. iv. Melitta **. c./. 10. a. 

 2 A 2 



