_ appears to have done. 
976 Intelligence in a Snail. { December, 
every part. If each one takes this care and is also careful to 
keep the orchard up to the standard cultivation, this malady, 
which is troubling our orchardists to such an extent at present, 
will surely fall and soon become a thing of the past.’ 
—-: 
INTELLIGENCE IN A SNAIL. 
BY W. H. DALL. 
OME time since a relative told mea remarkable story about 
a child who had pet snails which recognized her voice and 
distinguished it from that of others. As such a development of 
intelligence has not hitherto been reported among mollusks, I 
was much interested. By the kindness of the lady from whom 
the story was first heard, and the intervention of Mrs. Lay, wife 
of Bishop Lay, formerly of Arkansas and now of Maryland, 
one of the family, who was cognizant of the facts, was reached, 
and an extract from her letter is appended. I may add that Mrs. 
Lay speaks in the highest terms of the accuracy and clearhead- 
edness of her correspondent (then and now a resident of Arkansas), 
and remarks that both she and her sister were remarkable for the 
ease with which they established friendly and confidential rela- 
tions with the birds and animals about them. The father of these 
ladies, whose name I suppress merely because I have not their 
authority to print it, was chief clerk in the State Department 
under the secretaryship of Daniel Webster. wie 
_ The malacologist, familiar with pulmonates, will recognize ™ 
_ the following quotation many facts which indicate the accuracy 
and unusual powers of observation of the writer. It is probable 
that the snail was one of the group to which /. a/bolabris belongs, 
at all events it was a native of Arkansas and one of the larger 
species. It would be highly interesting if some of our lady : 
friends would repeat the experiment with different kinds of snails, = 
and determine by additional evidence whether they are capable 2 
Ist. OF recognizing a call or sound; and 2d. Of distinguishing * 
from other similar calls or sounds; which the snail in scams ae 
___* Mr. David De Tarr, of the Zoological Department of the State 0 
_ Albany, and Mr. A. B. Covert, of Ann Arbor, Mich., were, during 2 pat ° * ce 
of the above investigation, associated with me, To Mr. De Tarr may be chet” 
the finding and drawing of the fungoid form figured on Fig. 4- 
f New York at 
of the time 
