256 MAJOR R. G. ARCHIBALD AND HAROLD H. KING. 



No explanation can be offered as to how the larvae reached their position in the- 

 urinary tract. Comparatively little medical work has yet been done in the district 

 in which this case occurred, and it is possible that other similar cases may be met 

 with in the future and opportunities obtained of studying the bionomics of the beetle. 



Dr. C. J. Gahan, to whom one of these specimens was submitted by Dr. G. A. K. 

 Marshall, Director of the Imperial Bureau of Entomology, stated that, while it 

 resembled a Clerid, he was unable to determine with certainty even the family to which 

 it belonged. 



We are indebted to Mrs. H. H. King for the preparation of the accompanying 

 illustrations. 



Khartoum, 22nd May, 1918. 



