EXPLANATION OF PLATE XXXI. 



Fig. 10 

 II 



12 

 13 



14 

 15 



16 



17 



18 



19 



— Monhystera uria, sp. n., immature, X650. 



— Leptosomatuiii indicum, sp. n., X 686, head from right 

 side. 



— Leptosomatum indicum, sp. n. , X 686, head from right 

 side. 



—Leptosomatum indicum, sp. 11., X 333, male, tail from 

 right side. 



— Leptosomatum indicum, sp. n., male, X30, outline. 

 — Oncholaimus chilkensis, sp. n. , female, X 1000, head from 

 left. No. 6237a. 



— Oncholaimus indicus, 'V. Linst. Outline of head, X433, 

 for comparison with fig. 17. 



— Oncholaimus chilkensis, sp. n. Outline of head for com- 

 parison with fig. 16. X 433. 



— Oncholaimus chilkensis, sp. n., female, X 433, tail (No, 

 6237b). 



— Oncholaimus indicus, v. Linst. female, X 433, tail for 

 comparison with fig. 18 (No. 5576/2). 



