22 



Excursion to Lake Corangamite and District. [v<J Ict 'xxx'v 



EXCURSION TO LAKE CORANGAMITE AND DISTRICT. 



This excursion took place at Easter, and covered from 28th 

 March to 2nd April. Accommodation being unobtainable 

 nearer, quarters were taken up at Colac, about ten miles from 

 the lake. The party consisted of Messrs. Searle, Shephard, 

 Barnard, Eaton, and Hardy, four arriving on Thursday night 

 and the remaining one on Friday. Next morning collecting 

 was commenced at Lake Colac. The water in this lake is 

 fresh, and covers an area of io| square miles. Boats are 

 readily procurable, and the party engaged in securing plankton 



Lakes near Red Rock.— i, L. Gnalinegurk ; 2, Twin Lakes; 

 3, L. Werowra; 4, L. Coragulac ; 5, L. Purdiguluc. 



by means of a tow-net. The weather was very fine, and the 

 surface perfectly smooth. Micro-fauna was abundant, and a 

 floating alga, recognized by Mr. Hardy as a species of 

 Botryococcus, was also present in great quantity. This separated 

 out very well when formalin was applied to the gathering, as 

 the animals sank to the bottom while this representative of 

 the flora rose to the surface. It was noticeable that furthest 

 from the shore Entomostraca (chiefly Copepoda) predominated, 



