PLATE XVII. 
SiPHONOPHOEA RUBT. (Page 140.) 
Fig. 1. — Apterous viviparous female. 
Fig. 2. — Winged viviparous female. 
Fig. 3. — Posterior abdominal rings, showing the 
clavate siphuncles. a. Anal aperture, h. Cornicles 
charged with honey dew. b. Vulva. 
Fig. 4. — Portion of the head with (s) stemmata, 
frontal tubercles, and basal antennal joints. The 
bands of muscle which move the antennse are shown. 
