382 Transactions. — Zoology. 



omitted to show any marginal spines except on the anal 

 tubercles, as these are in most cases only specific characters. 



Synopsis of Larval CJiaracters. 



Abdomen terminated by two or more minuie 

 subcylindrical lobes as in the adults ; 

 setae not springing direct from the lobes ; 

 antennae of six irregular joints ; feet with 

 tibia shorter than tarsus ; digitules four Diasjndince. 



Abdomen distinctly cleft posteriori)' ; above 

 the cleft two dorsal lobes not extending 

 beyond the margin ; lobes setiferous ; an- 

 tennae of six regular joints ; feet with tibia 

 shorter than tarsus ; digitules four ... LecanincB. 



Abdomen terminated by two conspicuous pro- 

 truding tubercles ; tubercles spiniferous 

 and setiferous ; antennae of six regular 

 joints ; feet with tibia shorter than tarsus ; 

 digitules four ... ... ... Hemicoccince. 



Abdomen terminated by two conspicuous pro- 

 truding tubercles ; tubercles spiniferous 

 and setiferous ; antennae of six regular sub- 

 equal joints ; feet with tibia shorter than 

 tarsus; digitules four ... ... AcanthococcincB. 



Abdomen terminated by two very incon- 

 spicuous tubercles, scarcely protruding ; 

 tubercles spiniferous and setiferous ; an- 

 tennae of six regular joints, the last the 

 longest ; feet with tibia shorter than tar- 

 sus ; digitules four ... ... ... DactylopincB. 



Abdomen terminated by two tubercles, con- 

 spicuous and protruding or small and not 

 protruding ; tubercles spiniferous and seti- 

 ferous ; antennae of six regular subequal 

 joints ; feet with tibia shorter than tarsus ; 

 digitules four ... ... ... Idiococcmcs. 



Abdomen not terminated by any lobes or 

 tubercles ; setae springing direct from 

 margin ; antennae of six regular joints, 

 the last the longest ; feet with tibia 

 shorter than tarsus ; digitule one ... MonophUhince . 



Abdomen terminated by small tubercles, 

 slightly protruding ; tubercles setiferous ; 

 antennae of six regular subequal joints ; 

 feet with tibia shorter than tarsus ; 

 digitules two ... ... ... Brachysceliiice. 



