C 3?7 ] 
be particularly entertaining while you are on this 
Speculation. See Thil. Tranf. N°. 3 14? p • 69. 
Bartholin fuppofes undtuous Effluvia to have a 
great Share in thefe Appearances : His Words are 
thefe, which I chufe to quote ; the Book * de Luce 
Animalium being not very common: “ Imo quod 
t£ admirationem excedir, colle&je oleaginofi effluvii 
C£ reliquiae, longo interjeclo tempore, in fcintillas 
refolvuntur: fi enim fafeias vel tsenias ferico textas,. 
“ fed ufu detritas, leviter excutiamus, igniculi fufei- 
<c tantur et fcintillae and quotes a Paflage out of 
Gefner de Herbis lucent ibus,to confirm his Opinion. 
The fame Writer tells us, that Theodore Bezawas 
to be feen in the dark, “ ob fulgorem externum 
“ circa oculorum orbes;” but whether this Light 
proceeded from the Ball of the Eyes, or Hairs of 
the Brows or Lids, he does not mention. Nor 
is that learned Author fo exadt in fome other Cir- 
cumftances in other Examples of this fort as could 
be wifh’d. However, I think what he fays of the 
Duke of Mantua deferves a Remark. “ Quicquid 
“ fit, pro vero habendum eft quod de Carolo Gon- 
“ zaga Mantua Duce conftans fama tulit, levi per 
tl totam cutem fadta fritlione flagrantes fpecies exire 
“ folitas.” But here alfo it were to be wifh’d he 
had let us know whether this great Man, of a moft 
illuftrious Family, had not fome particular hairy or 
fcaly Texture or Covering to his Skin. 
By this, I guefs, you are excited to know how 
this Author, who liv’d about a hundred Years paft, 
folves 
* Tho. Bartholinus de Luce Hominum et Brutorum, lib. iii.. 
Hafnia 1669, 8 ®. 
4 
