177 
these organs, found only in this group within the 
Arachnids? I do not suppose that they are neither 
any kind of sense-organs nor glands; I dare, however, 
advance the hypothesis that they are able to produce 
light, and the whole structure, the thin, clear, faint 
vellow cuticula, looking like a pane of glass, seems most 
perfectly to agree with this theory. As far as I know, 
there is no observation present in the literature proving 
that the animals are able to produce light; some years 
ago I applied myself to the Danish missionary &. Loven- 
thal in Vellore (Madras), who had sent numerous 
specimens, caught by the wood-cutters, to Copenhagen, 
“and begged him to find out, if the living animals were 
shining in the dark, but he answered that he had not 
been able to observe anything of that sort. Notwith- 
standing I cannot abandon my hypothesis, knowing 
from own experience that specimens of Lampyris 
are hardly or not at all shining, when shut in a bottle 
they do not feel well, and it is also possible to collect 
a multitude of Lampyris and their larves in the daytime, 
not thinking for a moment that they are able to shine 
with the white-yellow lower side of the last abdominal 
segments. — On that account I conclude these remarks 
inviting readers, obtaining an opportunity of seeing 
living specimens of Thelyphonus, to examine more 
closely this circumstance; but care must be taken that 
the animals are quite well and live undisturbed in a 
terrarium or the like. 
IV. Solifuge. 
Kittary, M.: Anatomische Untersuchung der gemeinen 
(Galeodes aranoides) und der furchtlosen (Galeodes 
intrepida) Solpuga (Bull. de la Soc. Impér. des 
Entom. Medd. 4. B. 12 
