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The article provides information about the research papers that will be presented at the spring meeting of The Society for Investigative Dermatology Inc. that will be held on April 27-28, 1973 in Atlantic City, New Jersey. Cathepsin D (CD), one of the major lysosomal proteinases, has been identified in rabbit skin. Extracts of skin were capable of degrading hemoglobin, at pH 3.2, to peptides that are soluble in trichioracetic acid. This activity was blocked by the CD inhibitor pepstatin and was eluted from a Sephadex G-100 column at a position identical to that of ultimately pure rabbit liver CD. A line of complete identity between crude skin extracts and ultimately pure CD was found in immunodiffusion studies using sheep anti-rabbit CD.

The article presents announcements related to dermatology. There will be two meetings of the Society for Investigative Dermatology Inc., in 1974. The first meeting will be on May 4, 1974 at the Chalfonte-Haddon Hall Hotel, Atlantic City, New Jersey. There will be a series of workshops on the preceding evening, and the dermatology sections of the American Federation for Clinical Research and the American Society for Clinical Investigation will be held on the day following our meeting. The American Academy of Dermatology Residents' Forum session is open and awards will be given to the resident who shall be adjudged to give the most outstanding paper in this Forum.

The Subsection of Dermatology of the Western Section of the American Federation for Clinical Research will meet as a part of the annual joint meeting of the Western Section of the American Federation for Clinical Research, the Western Society for Pediatric Research and the Western Association of Physicians, in Carmel, California, from January 31 through February 3, 1973. This Subsection of Dermatology is recognized and supported by the Society for Investigative Dermatology as a regional meeting of the Society. Papers for presentation at this meeting are hereby solicited. Dermatologists who wish to present a paper at this meeting but who are not members of one of the three parent organizations can without difficulty usually find a member to sponsor their presentation.

The article presents news and information related to dermatology. It states that the twelve dermatological residents will compete in December 1974 for the Fifth Henry W. Stelwagon Prize presented by the College of Physicians of Philadelphia to "the resident who shall be adjudged to give the most outstanding paper" at the annual meeting of the American Academy of Dermatology. The Stelwagon Prize stems from an endowment bequeathed to the College of Physicians of Philadelphia by Henry Weightman Stelwagon, who was the first teacher of Dermatology at Jefferson Medical College, Philadelphia, Pennsylvania.