. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Bioacoustic studies in the yellow-bellied toad 63. Fig. 10. The effect of temperature and body length upon harmonics. B. orientalis: ai and a3 second and first harmonics of a 43 mm long male, a2 and a4 of a 47 mm long male. B. variegata from Omis, sample 1: bi and b3 second and first harmonics of a 44 mm long male, b2 and b4 of a mm long male. quency for its size. Within the B. variegata complex, the positions of the regres- sion lines on the ordinate do not re
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Bioacoustic studies in the yellow-bellied toad 63. Fig. 10. The effect of temperature and body length upon harmonics. B. orientalis: ai and a3 second and first harmonics of a 43 mm long male, a2 and a4 of a 47 mm long male. B. variegata from Omis, sample 1: bi and b3 second and first harmonics of a 44 mm long male, b2 and b4 of a mm long male. quency for its size. Within the B. variegata complex, the positions of the regres- sion lines on the ordinate do not reflect a close correlation with body size, for those of the toads from Plitvice are the highest although the animals are of intermediate to large size. The line for the animals from Chalkidiki almost coin- cides with that for the Tübingen toad nearest its own size (2 mm larger) Fig. 9, Table V). The calls of B. orientalis and B. variegata often have three emphasized har- monics. In B. orientalis and B. variegata from Omis, sample 1, the first and se- cond harmonics are always highly significantly correlated with water temperature and body size (Table V). The calls of B. orientalis and B. variegata often have three emphasized har- monics. In B. orientalis and B. variegata from Omis, sample 1, the first and se- cond harmonics are always highly significantly correlated with water temperature and body size (Table V). The first and second harmonics of B. variegata from Omis, sample 1, run steeply through the regression lines of B. orientalis (Fig. 10). Moreover, the har- monics of B. orientalis are always higher than those of B. variegata from Omis. B. orientalis and B. variegata from Omis differ principally in that at a temperature of 22 ° C the former (body length 43 mm) has the first harmonic. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfe
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