GROUPS AND FAMILIES 61 



head, or a forked tail ; pupa suspended by the tail, with 

 no belt of silk round the body. 



This family includes the Marble White, Speckled 

 Wood, Meadow Brown, White Admiral, Purple, Emperor, 

 Ked Admiral, Peacock, Tortoise-shell, and Fritillary 

 butterflies. We have 29 British species. 



3. ERYCINID.E. Imago of the male, with only four 

 legs fitted for walking, the female with six legs ; larva 

 short and onisciform, rather hairy ; pupa attached by 

 the tail, and with a belt of silk round the body. 



We have but one British species, Nemeolius Lucina. 



4. LYCJSNID^E. Imago, with six legs fitted for walk- 

 ing ; larva short, onisciform ; pupa attached by the 

 tail, and with a belt of silk round the body. 



This family includes the Hair-streaks, Coppers, and 

 Blue Butterflies. We have 18 British species. 



5. HESPERID^E. Antennae inserted on each side of 

 the broad head (thus widely separated) ; both sexes 

 furnished with six legs of uniform size ; body compara- 

 tively robust. Larvae elongate, with the head large 

 and the following segments narrowed. Pupa enclosed 

 m a more or less transparent cocoon. 



This family, of which the insects from their short, 

 jerky flight have obtained the name of " Skippers," 

 comprises seven British species. 



Of the SPHINGINA, or Hawk Moths, we have four 

 families 



1. ZYG^ENID^E. Imago with the antennae slender at 

 the base, much thickened beyond the middle with scales 

 only, or pectinated, never terminating in a hook ; wings 

 clothed with scales; anterior wings narrow; posterior 

 wings rounded. Larva fat, sluggish, soft-looking, with 

 no caudal horn. 



