Microscopical Essays. 40/c 



53. Vibrio Rugula. 



Vibrio linearis flexuofus. Vibrio like a bent line. 



Myriads of this fpecies may be found; it is between the vibrio 

 lineola and the vibrio undula. 



It appears as a little line, which is fometimes drawn up in an 

 undulated Chape, and moves backwards and forwards in a {Irak 

 line, often without bending the body at all. 



54, Vibrio Bacillus. 



Vibrio linearis, aequalis utrinque truncata. Linear vibrio, 

 equally trancated at both ends. 



This is an exceeding fmall creature, but vifible with the third 

 lens ; in a certain pofition of the light tranfparent. It is gelati- 

 nous, and not half fo large as the monas lens, though fix, and 

 fometimes ten times longer ; it is every- where of an equal fize, 

 and has no vifible interlines ; it's action is languid, the ferpentine 

 flexures of the body are with great difficulty perceived. 



Muller made two infufions of hay in the fame water, and at the 

 fame time in the one he put the hay whole, in the other it was 

 cut in fmall pieces ; in the firfl there was none of the vibrio bacil- 

 lus, but many of the monas lens and kolpoda cucullus - } in the 

 latter, many of vibrio bacillus, and few of the monas. 



3 P a 



; 55 . Vibrio 



