margv, unded by an elevated or attenuated marg a\ up- 



wards. ) 



marmoratus, (a marking) the spots and linos running irregularly as in marble. 



maxillcr, jaws, (under jaws); cue on each side of the mouth inun. dial ly b : 



the mandibles, moving transversely; usually corni and menv 



branaceous or coriaceous at tip and furnished with one or two palpi . 

 consist of four parts: 1. cardo, the hinge or basal part, small, thin 

 transverse; 2. stipes, thicker, stronger and larger, at baa neous, 



at apex corneous; 3. squamma palpifera, a plate forming the cover of the 

 stipes and supporting the palpi: 4. lobus maxUlm, see mala, maxillae. 



maxillary palpi, or exterior palpi, articulated m'ovable filaments near the middle 

 of the dorsal edge of the maxillae ; in some coleoptera th ere ari • t w 

 are distinguished into internal and external, the former is Inarticulate 

 and incumbent on the back of the maxillae. See mala maxillae. 



maxime, very much, very large. 



rrtedi; (prefix) middle. 



era, (art us: the exterior organs of locomotion taken collectively, as well as 

 the appendices of the trunk and abdomen. 



mamcaius, fur-like; (surface) densely clothed with irregular depressed hair. 



wiamis, the hand, the articulated termination of the anterior feet; the anterior tar- 

 sus including palma. 



marcescent, shrivelling. 



margaritaceus, shining like mother-shell. 



margin, that portion of a surface which is within the edge, bounded on the inner 

 side by the submargin, and consisting of a more or less dilated imaginary 

 line. 



marginal cellules, the radial cellules. 



membrana, (in hemiptera) the membranaceous part of the upper wings. 



rnembranaceus, skin-like; thin like skin, and semitransparent like parchment; of 

 a thin pliable texture. 



membraneus, skinny; e. g. those parts connecting corneous parts. 



meniscoidal, somewhat globular, with one side concave. 



mentum, the chin, the lowest piece of the mouth arrising at the gula, supporting 

 the ligula or tongue, and sometimes covering it in front. 



mesomeros; (in lepidoptora) the middle part of the abdomen (2d to oth segment) 



mesonoium, the corneous covering of the mesothorax. 



mesosternum, directly opposite to the mesonotum, upon the under side of the me- 

 sothorax, to it the middle legs are attached. 



mesothorax, the middle part of the thorax, bearing the anterior wings; and to- 

 gether with the metathorax the middle legs, (in Coleopt.) 



metabola, (Insects) with perfect metamorphosis, showing dissimilarity in its sev- 

 eral stages of existence, as larva, pUpa, imago. 



metameros, idn Lepidoptera) the 6th, 7th and 8th abdominal segments. 



metamorphosis, an alteration in the appearance of an insect, owing to the develop- 

 ment of parts previously concealed, by a sudden vernanlia; the transfor- 

 mation from the imperfect or larva state to the perfect insect; it is imper- 

 fect, semicomplete or coarctate. 



metanotum, the tergal covering of the metathorax. 



