232 lin. F. WALKER ON DIPTERA COLLECTED IN 



Fam. STRATIOMID^, Saliclay. 



G-en. Nertja, Walk. 



6. Nerua scenopinoides, Walk. Vol. III. p. 81. 



Fam. TABANID.E, Leach. 



Gren. Tabanus, Linn. 



7. Tabanus obscuratus, n. s. Fam. Piceus, capite antico ferni- 

 ginco, antennai'ura articulo 3° rufo apice piceo, thoracis lateribiis 

 nigro pilosis, pedibus iiigris, alis fusois aveolis cinereo strigatis. 



Female. Piceous. Head ferruginous in front; callus very slender. 

 Third joint of the antenna; dark red, piceous towards the tip, with a 

 very small horn. Thorax with black hairs on each side. Legs black. 

 Wings dark brown, paler at the tips and along the hind border, with 

 slight cinereous streaks in the disks of the areolets ; veins black ; fore 

 branch of the cubital vein forming a rounded angle near its base, 

 slightly curved thence to its tip. Length of the body 8 lines; of the 

 wings 17 lines. 



Closely allied to T. doreicus. 



Var. Abdomen broader, shorter. Wings paler. 



This may be a distinct species. 



Fam. ASILIDiE, LeacJi. 

 Subfam. Lapiirites, Walk. 



Gen. Laphria, Fabr. 



8. Laphria Taphius, Walk. See Vol. IV. p. 105. 



9. Laphria Vulcanus, Wied. See Vol. L p. 10. 



10. Laphria requlsita. Walk. See Vol. IV. p. 105. 



11. Laphria socia. Walk. See Vol. III. p. 84. 



12. Laphria congrua, Walk. See Vol. V. p. 277- 



Subfam. As i lite s, TFalk. 

 G-eu. AsiLUs, Linn. 



13. Asilus introducens. Walk. See Vol. IV. p. 103. 



This specimen has a more distinct difference between the interior and 

 exterior colours of the wings than that of the Celebes A. introducens. 



Gen. Ommatius, Linger. 



14. Ommatius bacchoides, n. s. ]\Ias. Niger, capite cano, mystace 

 albo, abdomine clavato segmentorum suturis ferrugineis, pedibus 

 crassis, alis nigricantibus costa nigra dilatata, halteribus fulvis. 



