CLASSIFICATION AND HABITS OF TICKS. 63 
recorded as taken from cattle at Memphis,.Tenn. It seems quite 
probable that the animal f 
bred in the Coast sec- 
tion. There are also 
several specimens in 
the Marx collection 
taken in Texas. Neu- 
mann reports it from 
Paraguay, Uruguay, 
Brazil, Mexico, and in 
the United States from 
California, Texas, and 
Tennessee, the latter 
based upon. the tick 
before mentioned as 
collected at Memphis. 
He mentions 2 males 
and 1 female as being 
taken on a coleopteron, 
Cercus campestris, at 
Buenos Aires, Argen- 
tina. lLahille reports 
it from Argentine Re- 
public, where the fa- 
vorite host is the dog. 
He mentions the fact 
rom which the tick was collected had been 
~ 
\ 
1 & 
Fic. 12.—Amblyomma maculatum: Cox of male and female. 
Greatly enlarged (original). 
that itis used by the Indians as a leech in certain cases of inflammation. 
The male is especially large, much more so and more elongate than 
Fic. 13.—Amblyomma maculatum: Scutum of 
female. Greatly enlarged (original). 
either A. cajennense or A. ameri- 
canum. Mr. Mitchell reports that- 
while he has observed the sexes in 
close proximity on the animals he 
has as yet to find them in coitu. He 
has frequently noticed them to copu- 
late after being removed from the 
animal. However, in Argentina, 
Lahille states that several males 
are usually found attached in the 
immediate vicinity of each female. 
Mr. Mitchell states that on one oc- 
casion he found 7 females clustered 
on a cow between the ear and the 
horn with no male near. In another 
case he found a cluster of 5 females on the neck of a dog with no male 
in the immediate vicinity. He has also seen instances where as 
