620 IVAR TRAGARDH 
Besides there are numerous light pores, in some of which very small hairs are 
inserted. 
From. the centre two rather faint but distinct ridges run towards the hind 
margin, diverging backwards. Between them there is a longitudinal, slitshaped scar. 

155 
Figs, 150—156. Uvobovella bicarinata n. sp. 
150. Leg I o, ventralview. 151. Tectum. 152. Femurandcoxa II o. 153. Stigma and peri- 
trema. 154. Mandible o&. 155. Sternal and genital shield 9. 156. Leg 1 9, ventral view. 
Ventral side (fig. 149) covered by a single shield; genital aperture 
small, oval, on a line with coxze III. The shield has numerous pores and very 
minute hairs. Behind coxe IV the triangular, metapodial shields are visible. 
The anal aperture is very small, situated close to the posterior margin. 
Stigmata (fig. 153) on a level between coxe II and III; peritremata 
