. Economic entomology . Ixodes fodiens (female), under side. Magrnified and natural size. Reduced from figTire by M. Megnin. This species appears to be nearly allied to the preceding. But in addition to its colour, which M. Megnin says is black, the legs seem to be placed at greater distances from each other. The difference in the form does not go for so much, because that depends in the female a good deal on the degree of distension of the body. Its habits, or we should rather say, the results which M. Megnin relates as following upon its attack, are moreover quite different from anything tha
. Economic entomology . Ixodes fodiens (female), under side. Magrnified and natural size. Reduced from figTire by M. Megnin. This species appears to be nearly allied to the preceding. But in addition to its colour, which M. Megnin says is black, the legs seem to be placed at greater distances from each other. The difference in the form does not go for so much, because that depends in the female a good deal on the degree of distension of the body. Its habits, or we should rather say, the results which M. Megnin relates as following upon its attack, are moreover quite different from anything that is recorded of any other species of Ixodes, and we cannot help thinking that they must have proceeded from some abnormal state of the health of the animal attacked, or from some special circumstances which do not appear in his narra- tion. His account is as follows :— "Towards the 15th of last June (1866) a mare, fifteen years old, belonging to Captain Pinard, of the ist regiment of dragoons in garrison at Versailles, presented all at once a disease of the skin of a very unusual form, which affected the legs exclusively. This disease was characterised by a pustular eruption, which occupied the lower part of the limbs, without ascendmg above the knees or houghs, and was accompanied by much itching, tach pustule rested on a hard inflamed base, and was covered by a crust of dried purulent matter, which was easily detached, taking
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