[ 365 ] 
The Spiders, by wonderful Inftind, are provided 
for the Embryo to feed on : Having ftor’d up fuf- 
ficient for i s Support, fhe very fecurely clofes up 
the Cell, and then proceeds to build the next in the 
fame Manner. 
The Maggot or Embryo , having eat up all its 
Provifion, before Gffober prepares for its Change, 
and fpins itfeif up in a fine foft filken Cafe, in which 
it lies all the Winter in the Chryfalis -State, until 
the Spring, when it eats its Way out of its Clay- 
Dwelling. 
April 3 . 1745 . 
P. Collinfon* 
Since the above Account was read before the Royal 
Society , I have had the Pleafure to perufe Mr. 
Reaumur's excellent Work, Vol. VI. on the Clay- 
Nefts from St. 'Domingo ; but as thefe from Ren- 
Jihania differ in many Circumflances, I hope it 
will not be unacceptable to the Curious to fee 
their Figures, with the beft Account I could pro- 
cure of them. It may dcferve our Notice, that 
thefe Species of Ichneumon Wafps from America , 
like ours in Europe of the fame Tribe that feed 
their young with Spiders, very much excel them 
in the elegant Stru&ure of their Nells. 
Fig . 3. A plain Clay-Neft, with finglc Rows of 
Cells. 
Fig . 4. The Backfidc of the fame, by which it was 
attached to the Timber- Work of a Building j the 
A a a Cells 
