1839-40 
ON ARGONAUTS 
153 
it inhabits its own shell and no other. Mr. 
Broderip also had a look afterwards. R. showed 
him the specimen in the bottle, and seemed to 
think the point was practically settled.' 
‘ \Ztli . — At eight o’clock with R. to the Royal 
Institution to hear Faraday lecture on electricity, 
galvanism, and the electric eel. Faraday is the 
beau iddal of a popular lecturer.’ 
‘ ibith. — R. and I to Great Ormond Street, 
where Madame Power showed us her boxes of 
fossil shells, &c., and some molluscs in bottles, 
and, above all, the argonaut shells with the frac- 
tures made by her in her experiments, beautifully 
filled up and mended : three specimens in different 
stages of reconstruction, the first filled up with 
a substance like the lining membrane of a boiled 
egg. This was done in about ten minutes after 
the piece was cut away by Madame Power ; the 
more perfect restorations had the corrugations 
formed to match the rest.’ 
"February 2. — R. to Madame Power’s and 
brought away three bottles full of argonauts. A 
beautiful collection ! One of them has the sail 
spread back over the shell, the suckers on the 
points. Madame P. says that if we count the 
suckers they will be found to correspond with the 
number of points. This, with other circum- 
stances, makes the question, I .think, not whether 
Jeanette Power, de Villepreux, a lady who made extensive 
researches on the paper nautilus. 
