400 
Messrs Nuttall and Warburton, 
at the level of the cervical grooves in the form of confluent 
punctations and rugosities and terminating in front of the outer- 
most festoons ; no clearly marked grooves on the posterior part 
of the scutum; eyes small, round, red brown, marginal. Venter: 
spiracles (Fig. 16) long comma-shaped; genital grooves parallel. 
Capitulum (Fig. 14) ('9 to TO mm. long (ventral)) with very large 
Fig. 14. capitulum, dorsal and ventral aspects. Fig. 16. <? spiracle, ‘9 mm. 1 . 
hexagonal base, the lateral angles sharply projecting, the cornua 
long and strong (whence “ bicornis ”), the median area covered by 
confluent punctations ; palps very short and broad ; article 1 has 
