146 ip o 8 t e I s t a 



The almost stagnant ponds, the slug- 

 gishly flowing streams in the ditches 

 and the muddy banks all have their 

 peculiar inhabitants. 



The reward of the morning's work 

 was some very interesting things. 

 Floating in the somewhat brackish 

 water of the outer, larger ditch, nearest 

 the beach, were found soft, corrugated 

 masses, bright blue-green in color, 

 Aphanothece prasina. Here also were 

 tangles of the narrow cylindrical fronds 

 of Enteromorpha intestinalis. Farther 

 back in one of the plots, among the 

 roots of the rice plants, was an abun- 

 dance of fruiting Char a. Living with 

 it was the familiar and omnipresent 

 Hydrodictyon reticulatum. One entire 

 terrace^ higher and somewhat drier 

 than the others, was covered with the 

 pale brown silky masses of Conferva 

 sandwicensis. Another single plot was 



