20 Mr. S. S. Saunders on 



§ § Synopsis Generum e structurd desnmpta. 



Divisio A. 



Sub-fam. 1. Stylopides. 



Antenn!B 7 articulae. Tarsi 3 articulati . . 1. Halictophagus. 



„ 6 „ „ 4 „ . . 2. Stylops. 



„ 5 „ „ 4 „ . . 3. Hylecthrus. 



„ 5 „ „ 2 „ . . 4. Elenchus (g). 



Sub-fam. 2. Mybmecolacides. 

 Antennae 6 (vel 7?) articulatas. Tarsi 4 articulati . 5. Myrmecolax. 



Sub-fam. 3. Xenides. 



Antermas 4 articulate. Tarsi 4 articulati . .") 



Antennarum ramis^ea;uosis, tentaculiformibus, ( „ Xenos 



apice acutia C ' 



Alarum neuris insulatis ambabus simplicibus ) 



Sub-fam. 4. Pseudoxenides. 



Antennffi 4 articulatae. Tcirsi 4 articulati. 



Antennariim ramis tceniceformibus, compressis ; ^ 

 articuli 3tii cubito basali subrotuudato ; 



apice obtusis \-7. Pseudoxenos. 



Alarum neur4 insulata apicali duplice . . | 

 ,, discoidali simplice .J 



Antennarum ramis distortis, tumidis, compres- 

 sis ; articuli 3tii cubito basali prominulo, ( g p 

 rectangulariter recurvo ; apice obtusis '' ' ^ • 



Alarum neuris insulatis ambabus duplicatis 



Divisio B. 

 Sub-fam. 5. . 



(Homopterabiarum characteres adhue ignoti) . 9. (r) 



(q) An hujus sectionis (?) vide postea sub p. 24, not. 



(r) The description and figure of the individual upon which this division 

 is established, wUl be described by Professor Westwood in a subsequent 

 article, in which figures illustrating some of the details contained in the 

 present memoir will also be given. — J. 0. W. 



