J A most striking case of this kind came under the notice of the Editor
about ten years since. The little patient was born without any ap-
parent mark upon the body, nor did any appear for dght days after
birth, when a small point, resembling a red minute tubercle, appeared
on the forehead, and gradually increased to the size of a crown-piece,
when it was showed to the Editor. This spot was sunrounded by many
small points, at different distances from the main spot ; and these gra-
dually enlarging ran into one another, forming larger spots; which again
in turn coalesced with others, until they finally were added, as their dia»
meters increased, to the main spot, (Atlas, pi. xxv.) The extent
which the whole occupied, and the eye being also involved in the
disease, prevented extirpation from being proposed or attempted; and the
only curative measure resorted to was an effort to obliterate the Naevua,
by exciting ulceration in various parts 6f it. This partially succeeded;
but, before the plan had advancea beyond the second sore, the child was
attacked with Hydrocephalus and died. A post mortem examination
explained satisfactorily the nature of the disease. The arterial system
was natural ; but the venous was so thin in the coats of the vessels, that
there was not sufBcient power to return the blood, which of course accu-

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I

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392 maculje:

(Thomson's Atlas, p. xi^v.) Sometimes, however,
after having increased to a certain degree, they cease
to enlarge, and thenceforth continue stationary, or
gradually diminish, till scarcely any vestige remains.*

In some instances,, however, these preternatural
enlargements and anastomoses, which constitute the
Naevi, are not merely cutaneous. A similar mor-
bid structure may take place in other parts : it
sometimes occupies the whole substance of the
[ cheek, according to Mr. Abemethy, and has
occurred in the orbit of the eye : and Mr. 