1. Communal winter nesting and food sharing in Taiga Voles

   • J. O. Wolff
   • William Z. Lidicker Jr.

   OriginalPaper Pages: 237 - 240

2. Species-specific differences in pure tonal whistle vocalizations of five western North Atlantic dolphin species

   • William W. Steiner

   OriginalPaper Pages: 241 - 246

3. Foragers of the harvester ant, Pogonomyrmex owyheei: a disposable caste?

   • Sanford D. Porter
   • Clive D. Jorgensen

   OriginalPaper Pages: 247 - 256

4. Chemical signals in bumble bee foraging

   • Sydney A. Cameron

   OriginalPaper Pages: 257 - 260

5. Parental investment and its ecological consequences in the solitary wasp Sceliphron assimile (Dahlbom) (Sphecidae)

   • B. E. Freeman

   OriginalPaper Pages: 261 - 268

6. Male spacing and the influence of female courtship behaviour in the bladder cicada, Cystosoma saundersii westwood

   • Jane M. Doolan

   OriginalPaper Pages: 269 - 276

7. Troop size, habitat quality, and home range area in Japanese macaques

   • Hiroyuki Takasaki

   OriginalPaper Pages: 277 - 281

8. Prolonged copulation: A male ‘postcopulatory’ strategy in a promiscuous species, Lygaeus equestris (Heteroptera: Lygaeidae)

   • Birgitta Sillén-Tullberg

   OriginalPaper Pages: 283 - 289

9. The effect of chorus organization on mate localization in the Painted Reed frog (Hyperolius marmoratus)

   • N. I. Passmore
   • S. R. Telford

   OriginalPaper Pages: 291 - 293

10. Acoustic adaptation in pygmy marmoset contact calls: Locational cues vary with distances between conspecifics

    • Charles T. Snowdon
    • Alexandra Hodun

    OriginalPaper Pages: 295 - 300

11. Foraging and spatiotemporal territories in the honey ant Myrmecocystus mimicus wheeler (Hymenoptera: Formicidae)

    • Bert Hölldobler

    OriginalPaper Pages: 301 - 314