Microscopical Essays; 



497 



49. Eu clid is Spatula. 



Enchelis cylindrica flriata, apice hyalino-fpatulata. A cylin- 

 drical filiated enchelis, the fore-part tranfparent, and of the 

 ihape of a fpatula. 



This animalculum is perfectly cylindrical, very pellucid, of a 

 cryftailine appearance ; it is marked with very fine longitudinal 

 furrows, and has generally two tranfparent globules, one placed 

 below the middle, the other near the extremity of the body ; on 

 the other fide are five {mailer ones, which are oval. The top is 

 dilated, with the corners rounded like the fpatula of the apothe- 

 caries. It has a wavering kind of motion, folding the fpatula 

 varioufly, yet retaining the form in general. Muller mentions 

 his feeing it once draw the fpatula into the body, and keep^ it 

 there for two hours, when it again appeared. 



50. Enchelis Pupula. 



A cylindric enchelis, the fore-part papillary. 



The fore-part is protubef antly round, and rather opake, the 

 'hind-part pellucid, both extremities obtufe, furnifhed with a 

 papillary finger-fhapcd head, the hinder- part marked with a 

 tranfparent circle, or circular aperture. The fore-part filled up 

 with moveable molecules, which are more fcarce in the hinder* 

 part. It lias.a rotatory motion on a longitudinal axis, and moves 

 through the water in an oblique direction. It is to be found in 

 dunghill water in November and December, 



51. fcn. 



