Explanation of Plate YI. 



Fig. 1. Larva of Tridenotoma cliildreni, Gray. 



la. Ventral side. 15. Under-side of head with maxillae 

 removed. Ic. Mandible. Id. Maxilla, le. Leg, 

 1/. Prothorax from side, showing spiracle. 



2. Larva of Melittomma insulare, Fairm. 



2a. Head, front view. 2b. Labium and Maxillse. 2c. Leg. 

 2d. Posterior concave face of 9th abdominal segment. 

 2e. 10th segment, forming pseudopod, and inclosing 

 anus. 2/. Mesothoracic spiracle. 



3. Larva of Dascillns cervinus, L. 



3a. Ventral side. Sh. Mandibles. 3c. Maxilla. M. Labium. 

 3e. Leg. 3/. Prothoracic spiracle. 3g. Spiracle of 

 3rd abdominal segment. 



