248 ON THE POISON OF ANIMALS 
August 13th. Temperature 64°. At 5" 15™ p.m. 
a female Segestria senoculata inserted its fangs about 
the middle of the abdomen of a large Green Grass- 
hopper (Acrida viridissima), and retaimed its hold, 
which it quitted voluntarily, for many seconds. A 
greenish-yellow fluid flowed copiously from the punc- 
tures; yet the insect continued to be lively in its 
movements, leaping with agility up and down the 
glass vessel in which it was confined, and ceased not 
to exist till midnight on the 15th. 
August 14th. Temperature 66°. <A female 
Epeira diadema pierced a large Green Grasshopper 
at 4" 43™ p.m., burying one fang at the base of the 
antenna on the right side, and the other in the right 
eye. The spider retained its hold for several seconds, 
and on quitting it a greenish-yellow fluid issued from 
the former wound and a dark brown fluid from the 
latter. Notwithstanding the serious injuries the 
grasshopper had received, no diminution of its activity 
was apparent, and it did not expire till afternoon on 
the 16th. : 
August 29th. Temperature 69°. At 1" 22™ p.x. 
a Hive-bee had its abdomen extensively lacerated 
near the middle of the left side by a female Zycira 
quadrata. A large quantity of transparent fluid 
flowed from the wound, but death did not ensue till 
3” 18™ P.n. 
September 3rd. Temperature 68°. A common 
Crane-fly (Z%pula oleracea) punctured by the fangs of 
