Microscopical Essays, 529 



79. Vibrio Anfer. Fig. 27 and 29, Plate XXV. 



Vibrio ellipticus, colio longo 3 tuberculo dorfali. Elliptical 

 vibrio, with a long neck, and a little lump on the back. 



It is between the vibrio proteus and vibrio falx, and is diftin- 

 guifhed by the lump b, Fig. 29, on the back, placed behind the' 

 neck ; from this an even long neck (a) proceeds. 



The trunk (d) is elliptic, round, and without any lateral in- 

 equality, full of molecules, the hind-part fharp and bright, the 

 fore-part produced into a bending neck, that is longer than the 

 body ; the apex even and whole, blue canals paffing between the 

 marginal edges, occupying the whole length of the neck ; in one 

 of them a vehement defcent of water to the beginning of the 

 trunk is perceivable. 



The motion of the body is flow, that of the neck is more lively 

 and flexuous, fometimes fpiral. It is found in water where there 

 is duck-weed. 



80. Vibrio Olor. Fig. 28, Plate XXV. . 



Vibrio' ellipticus, collo longiflimo, apice nodofo. Elliptical, 

 with a very long neck, and a knob on the apex. _ 



An animalculum which is continually moving it's lively neck„ 

 The form of the body is elliptical' and ventricofe, the hind-part 

 fomewhat fharp. It is membranaceous, dilatable, winding 

 varioufly ; the hind-part is fometimes replete with darkilh mole- 



3 T cules. 



