[ 28 J 
Is found in fenny fituations, but very rare; the author of the 4ni+ 
macula Infuforia, obferved it only twice. 
« 
TRICHODA BOMBA: 
Inconftant as the former, and nearJy as difficult to define ; it is fome- 
times fpherical, immediately after it will become oval, Kidney fhaped, 
&e. -Itts very lively, and darts with much velocity; is thick, pellucid, 
and of a clay colour, or brighter. 
PLATE 
