128 MODCUN SYSTF.M. 



or near]}' quadrate, generally longer than broad : le^a^ the first and 

 second pair longest: the second rather longest; the third and fourth 

 pair of legs much less, sometimes one being largest, sometimes the 

 other. 



The mandibles of tiie animals composing this genus are either per- 

 pendicular or somewhat indexed ; in many conical with many short 

 claws. 



* Thorax convex, cordifoiin ; the .s«/ts-, cspcclalli/ behind, abruptly 

 sloping, antcriorli/ hroadhj triincafr ; I he largest legs not doable the 

 length of the body ; the first and second pair much thicker than the 

 others, sometimes one sometimes the other being longest. The first joint 

 of the tarsi, rcifh scvc?'al moveable little sj)ines,in a single or in a double 

 series; the claus oj' the tarsi naked, hip somewhat ova^, the apex 

 truncate or obtuse. Apex of the maxilla wedge-shaped. 



Sp. 1. Tho. citreus. Thorax at the insertion of the eyes transversely 

 elevated; the sides anteriorly produced and prominonl: eyes equal: 

 abdomen roundish, trigonal, broader behhid, with a red line on each 

 side: body yellowish citron-coloured. 



Inhabits Europe, living in flowers. It is very common in Rritain. The 

 male is rare, smaller than the female; of a brown colour banded 

 with vcUowish frreen. 



o 



** Thorax convex, cordiform ; the sides, especially behind, abruptly 

 sloping, the anterior part bi'oadly truncated; the larger legs not twice 

 tite length of the body, all of nearly an C(jual degree of thickness; the 

 hinder four not much shorter; the anterior with, four little .opines: the 

 claws of all the tarsi scarcely visible. Lips somcichat oval : the apex 

 truncate or obtuse. Maxilla at their points wedge-shaped. 



Sp. 2. Tho. lynceus. Lateral eyes largest, placed on an eminence, the 

 tubercles of the hinder ones thickest: body pale yellowihh-grey, 

 Variegated with punctures and spots of a blackish colour: abdomen 

 very large, of a triangular-oval form, broader behind. 



iBhabits France and Scotland. Latreille considers it to be much allied 

 to Thomisus onustus of Walckeniicr. 



*** Thorax depressed, somewhat oval, very obtuse before ; the larger 

 legs 7iot twice the length of the body; all the legs of equal thickness: 

 the tarsi hairy beneath, the first joint loitk a few little spines: the apex 

 with two brushes under the claws : abdomen oblong : the maxilla beyond 

 the insertion of the palpi, nearly of equal breadth, distinctly and abruptly 

 truncated: lip somewhat quadrate : hinder eyes distant. 



Sp. 3. Tho. oblongus. Pale-yellowish, with white hairs above: abdo- 

 men somewhat cylindrical, with obscure longitudinal lines. 

 Inhabits France, Denmark, and England, on plants. 



