aoS Microscopical 'Essays-;. 



66.. Vibrio Aeus. 



Vibrio linearis, colli, apice obtufo, cauda fetacea. Linear vibrio,, 

 with a neck, the upper extremity obtufe, the lower one terminate 

 - ing in a fetaceous tail. 



This vibrio is of the ftiape of a fewing needle ; the neck round, , 

 partly tranfparent, and marked in the middle with a red point ; 

 the trunk cylindrical, the edges obfeure, the middle blight, and 

 nearly of a triangular appearance, the tail is fine like a brittle. A 

 motion may be obferved in the infide of this little creature. It 

 does not bend the body when in motion. 



.67. Vibrio Sagitta. 



Vibrio fublinearis, colli, apice truncato atro, cauda fetacea. 

 Somewhat linear in it's appearance, a well-marked neck, the apex, 

 truncated and open, the tail fetaceous. , 



The body is very long and flexible, broaden; towards the mid- 

 dle, which is alfo filled with grey molecules ; the fore-part is 

 drawn out into a flrait tranfparent neck, the upper end of it 

 thick and black. The motion of this animalculum feems to be 

 produced by the contraction and extenfion of the neck. It is, 

 found in fait water.. 



63. Vibrio- 



