an admirably clear description of the skin lesions in Xanthoma Diabeticorum, that it still remains unsurpassed. In describing the skin lesion of their diabetic patient, the authors wrote: ' An eruption somewhat suddenly appeared on the arms, at first apparently of a lichenous character. In the course of 10 days, it had extended over the arms, legs and trunk, both anteriorly and posteriorly, and...

An Ix-year-old Caucasian boy was seen at the Indiana University Medical Center, Department of Ophthalmology, because of a yellow limbal lesion of the left eye which had been first noted 2 years previously, and which had been progressively enlarging. The family history was not contributory. The child was premature, but developed normally with no history of significant systemic or ocular disease....

In this paper we address a series of so-called local plane wave methods (LPW) to measure acoustic absorption. As opposed to other methods, these methods do not rely on assumptions of the global sound field, like e.g. a plane wave or diffuse field, but are based on a local plane wave assumption. Therefore, the LPW methods can be used for any given surface/absorbing material and any arbitrary sou...