94 DROPS OF WATER. 



The genus Syncrypta is distinguished by 

 having two loricas, one small one to each indivi- 

 dual, and the other common to the whole cluster, 

 enclosing them in its transparent folds. The long 

 proboscis of each protrudes from the envelope, and 

 gives the globe the appearance of being covered 

 with hairs ; neither an eye nor tail has been 

 perceived. There is one species only, 8. volvox : 

 the shape of the individuals is oval, and of a 

 green colour, with whitish rays in the centre, 

 forming a pretty berry-like cluster when united. 



The beautiful creatures composing the genus 

 Synura are met with in clear waters containing 

 Lemna, often in prodigious numbers, so that the 

 field of the microscope will exhibit six or eight at 

 once, all rolling about with the greatest ease and 



