C *5 3 
Explanation of the Figures; Tab. I. 
Fig. I. Short ttaple ifinglafs. 
a The wooden peg, which fattens the two 
ends of the ifinglafs. 
b The extremities folded inwards. 
Fig. 2. The faw-knife. 
Fig. 3. Long ttaple ifinglafs. 
a b c Wooden pegs or pins. 
d e f Three round flicks, or pieces of wood* 
fattened in the angles of the ifinglafs by 
the pins a and e . 
Fig. 4. Book ifinglafs. 
a b The two fides, which refemble the cover 
of a book. 
c The wooden pin run through the fides, 
to fatten them together. 
Fig. 5. The entire found, or 'vejica aeria , of the 
ifinglafs fifh dried in its natural ftate. 
a The hole made for the packthread, where- 
with it is hung up to dry. 
b The orifice of part of the pneumatic vef» 
fels left with the found. 
II. A 
