1. An American in Paris and the origins of the stereomicroscope

   • Klaus Sander

   Centennial Essay Pages: 235 - 242

2. Novel tissue units of regional differentiation in the gut epithelium of Drosopbila, as revealed by P-element-mediated detection of enhancer

   • Ryutaro Murakami
   • Ayako Shigenaga
   • Teiichi Tanimura

   Original Articles Pages: 243 - 249

3. A community effect is required for amphibian notochord differentiation

   • Matthew J.D. Weston
   • Kazuto Kato
   • J.B. Gurdon

   Original Articles Pages: 250 - 253

4. Expression of a dominant negative retinoic acid receptor γ in Xenopus embryos leads to partial resistance to retinoic acid

   • Darrin Paul Smith
   • Clive Scott Mason
   • Robert Old

   Original Articles Pages: 254 - 265

5. Embryonic origin and differentiation of the Drosophila heart

   • Astrid Rugendorff
   • Amelia Younossi-Hartenstein
   • Volker Hartenstein

   Original Articles Pages: 266 - 280

6. The orientation of the dorsal/ventral axis of zebrafish is influenced by gravitation

   • Stephan Wacker
   • Klaus Herrmann
   • Stefan Berking

   Short Communications Pages: 281 - 283

7. Protein kinase modulators interfere with bud formation in Hydra vulgaris

   • Fernando Pérez
   • Stefan Berking

   Short Communications Pages: 284 - 289

8. Effect of growth factors on the differentiation of chick precardiac mesoderm in vitro

   • Yoshihito Yamazaki
   • Reiji Hirakow

   Short Communications Pages: 290 - 294