1. Culturing Larvae of Marine Invertebrates Richard R. Strathmann 2. Obtaining Gametes and Embryos of Ascidians Charles C. Lambert 3. Artificial Seawater Culture of the Gastropod Crepidula fornicata for Studies of Larval Settlement and Metamorphosis Anthony Pires 4. Trichoplax adhaerens, an Enigmatic Basal Metazoan with Potential Andreas Heyland, Roger Croll,...