3/6 



jallu, Djocja!, Surabaya, Pasuruan, Lesti, pond near Belom- 

 bing!, Tjilatjap!); Borneo (Banjermassin, middle course of river 

 Kapuas). -- From Orissa, through the lower province of Bengal, 

 Burma, Siam, Andaman Islands and Malacca. 



In fresh and brackish water ; living in sheltered and stagnant 

 water and feeding also on insects and therefore a destroyer 

 of mosquito-larvae '). 



2. Fam. ADRIANICHTHYIDAE. 

 Elongate, more or less strongly compressed. Head depressed, 



Fig. 98. Adrianichthys kruyti M. Web. 

 From above and below X 3 A, to show the 

 intermaxillaries coalesced with the maxil- 

 laries. The separate piece in front of the 

 intermaxillaries is probably an artefact, 

 caused by two symmetrical cracks. 



Fig. 99. Adrianichthys 

 kruyti M. Web. X 5, & Basi- 

 branchiale; 3, 4. Third and 

 fourth Pharyngobranchiale. 



flattened above, as well as anterior part of back. Scales small. 

 Head scaly above and on opercles. Mouth large, horse-shoe- 



I) N. H. SWELLENGREBEL & I. M. H. SWELLENGREBEL DE GRAAF (Joum. 



tropical Medicine & Hygiene XXIII No. 7, 1920, p. 77). We are informed, that 

 Dr. A. L. J. SUNIER, head of the Government Laboratory for Marine Investi- 

 gation at Batavia, will soon publish further studies about the larva-destroying 

 qualities of Panchax panchax. 



