32 ELEMENTARY TERMS. 
ARTICULATED, united by a joint. 
ELYTrRA, the upper shelly wings of insects. 
TRUNCATE, appearing as if abruptly cut off at the end. 
RetTvseE, ending in an obtuse sinus, or rounded notch. 
DEFLEX, wings bent down arch-wise. 
OCELLATE, eye-form spots. 
VI; RELATING TO THE HIND LEGS. 
Leas of insects are always 6 or more ; and are divided. 
into thigh, shank and tarsus. 
FETTERED LEGS, parily involved in the intigunem of 
¥ the abdomen, or bent back, so as to be unfit for walk- 
ing with facility. 
VIL. RELATING TO FORE-FEET, &c. 
Primary Remices. (quill-feathers,) the outer and lar- 
gest quills of the wings. 
Seconpary Remicss, smaller quills, adjoining the pri- 
maries. 
TERTIALS, inner smallest quills, adjoining the seconda- 
ries. 
PECTORAL-FINS, on each side of the breast, behind the 
gills. 
Rays, the fibres or bony spines of fins and gill mem- 
branes. 
VILL. RELATING TO THE HIND-FEET. 
Natvant, feet and appendages formed for swiming. 
GRESSORAL, feet formed for running or walking, with 
three toes forward and one back ; the two outer toes 
mostly jointed haif way. 
ScaNsoRIAL, feet formed for climbing ; two toes forward 
and two back. 
PERCHING, grasping, hawk-like. 
CHELATE Craws, forcipaied foremost feet in some in- 
sects, as lobster. 
