378 EJECTION OF BLOOD BY HORNED TOADS—HAY. 
states that he did not see that the lizard showed any signs of exhaus-— 
tion or collapse after the operation. Neither did I observe anything 
of the kind in the case of the animal experimented with at Washington. 
Nevertheless, a brief period of stupor might have escaped the notice 
of both Mr. Denton and myself.* 
*While preparing this paper, Mr. Leonhard Stejneger has kindly called my atten- — 
tion to the fact that a notice of this remarkable habit of the Phrynosomas was pub- 
lished in 1871, in the Proceedings of the Zoological Society of London, pp. 1-2. At 
one of the meetings Mr. A. R. Wallace read extracts from letters of Mr. John Wal- - 
lace, of Stockton, Cal, After describing the animal, which he says is there called | 
the ‘‘Horned Toad,” he proceeds as follows: 
“Under certain circumstances, apparently as a means of defense, this creature 
squirts out from one of its eyes a jet of bright red liquid very much like blood. — 
This I have observed three times from three different individuals, although I have 
caught many that did not do it. They do not generally use this defense when first 
captured, although I caught one a few days ago which squirted the liquid a distance 
of 6 inches over the back of my hand, and another ejected it when I flourished a 
bright knife before its eyes.” 
Dr, Giinther (Biologia Centrali Americana, Zool., pt. LXxx1u1, Feb., 1890, Reptiles, 
p. 77, footnote) refers to this notice and states that he had not been able by dissee- 
tions of fresh specimens to find the source of what he calls ‘‘the secretion.” 
i: 
‘ 
ae 
Pee 
