32 ELEMENTARY TERMS, 



ARTICULATED, united by a joint 

 ELYTRA, the upper shelly wings of insects. 

 TRUNCATE, appearing as if abruptly cut off at the end, 

 RETUSE, ending in an obtuse sinus, or rounded notch* 

 DEFLEX, wings bent down arch- wise. 

 OCELLATE, eye-form spots. 



VL RELATING TO THE HIND LEGS. 



LEGS of insects are always 6 or more ; and are divided 

 into thigh, shank and tarsus. 



FETTERED LEGS, partly involved in the intigunem of 

 the abdomen, or bent back, so as to be unfit for walk- 

 ing with facility. 



VII. RELATING TO FORE FEET, &c. 



PRIMARY REMIGKS (quill feathers,) the outer and lar- 

 gest quills of the wings. 



SECONDARY REMIGES, smaller quills, adjoining the pri- 

 maries. 



TERTJALS, inner smallest quills, adjoining the seconda- 

 ries. 



PECTORAL-FINS, on each side of the breast, behind th$ 

 gills. 



RAYS, the fibres or bony spines of fins and gill mem- 

 branes. 



VIII. RELATING TO THE HIND-FEET, 



NATANT, feet and appendages formed for swirnirig. 



GRESSORAL, feet formed for running or walking, with 

 three toes forward and one back ; the two outer toes 

 mostly jointed halfway. 



SCANSORIAL, feet formed for climbing \ two toes forward 

 and two back. 



PERCHING, grasping, hawk-lrke. 



CHEIATE CLAWS, forcipated foremost feet in some in- 

 sects* as lobster. 



