78 
ADDENDA. 
Page 3, 3rd line from top, for “living on,” read “ feeding on.” 
The reader will please to observe, that though, as stated at line 
1 st, top of page 3, the Gad Fly maggots do not live—-that is, do not 
pass this stage of life —on or in animals, yet some kinds are considered 
to feed on living prey, such as snails, slugs, or other small creatures, 
which are to he found in the ground or water where the Gad Fly 
maggots pass their lives. 
Page 12, 9th line from foot of page, after the word “ dippiug,” 
add “with one or other of the numerous arsenic and sulphur or 
carbolic dips in the market.” 
Page 12, 7 th line from foot of page, after the word “dips,’’ add 
“The operation should be repeated at the end of two to three 
weeks, with the object of destroying the young ‘ Ticks ’ which may 
have developed from chrysalis cases during the period.”—E. A. 0. 
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