1. Somatic hybridization in Petunia

   • S. Izhar
   • Y. Tabib

   OriginalPaper Pages: 241 - 245

2. Book reviews

   • D. L. Mulcahy
   • L. Stange

   BookReview Pages: 246 - 246

3. Chromosome replacement in mixed populations of compound-2L; free-2R and standard strains of Drosophila melanogaster

   • D. G. Holm
   • M. Fitz-Earle
   • C. B. Sharp

   OriginalPaper Pages: 247 - 255

4. Book reviews

   • H. F. Linskens
   • W. Wandelt
   • H. Peterka

   BookReview Pages: 256 - 256

5. Adaptive strategies in natural populations of Drosophila

   • P. A. Parsons

   OriginalPaper Pages: 257 - 266

6. Mate selection by selection index theory

   • F. R. Allaire

   OriginalPaper Pages: 267 - 272

7. Chromosome and isoenzyme studies on cells derived from protoplast fusion of Nicotiana glauca with glycine max-Nicotiana glauca cell hybrids

   • L. R. Wetter
   • K. N. Kao

   OriginalPaper Pages: 273 - 276

8. Selection for egg production on part records

   • V. Ayyagari
   • S. C. Mohapatra
   • P. Renganathan

   OriginalPaper Pages: 277 - 283

9. Book reviews

   • J. Straub

   BookReview Pages: 284 - 284