. Bulletin of the Natural History Museum Zoology. 'j]+ •yv 'Km Fig. 1 Sulcate and asulcate side of everted hemipenis of H. lapemoides (ZMUC R 66620) from Phuket Harbour. Drawing by M. 5 mm Fig. 2 Lateral aspect of anterior braincase of H. lapemoides in which the sphenoid is included in the margin of the anterior orifice of cavum epiptericum. Drawing by M. Andersen. Methods The measurements and counts follow Smith (1926) with some alterations as described below. For lateral head scales, both sides of the head have been examined and numbers are given separately. Number of maxillary te
. Bulletin of the Natural History Museum Zoology. 'j]+ •yv 'Km Fig. 1 Sulcate and asulcate side of everted hemipenis of H. lapemoides (ZMUC R 66620) from Phuket Harbour. Drawing by M. 5 mm Fig. 2 Lateral aspect of anterior braincase of H. lapemoides in which the sphenoid is included in the margin of the anterior orifice of cavum epiptericum. Drawing by M. Andersen. Methods The measurements and counts follow Smith (1926) with some alterations as described below. For lateral head scales, both sides of the head have been examined and numbers are given separately. Number of maxillary teeth is given for the right side only. Scale rows are counted directly around body (Thomas 1976). Minimum and maximum number of rows are given for comparison with the counts of Smith (1926, ). Position of the tip of the heart and the anterior tip of the liver are determined in relation to the number of the adjacent ventral scales (VS). Relative position of the tip of the heart and the anterior part of the liver is expressed as the percent- age of the total number of ventral scales (% VS). Vertebral counts are obtained from soft radiographs. Three counts are obtained from each snake: number of body vertebrae (VB- body), number of tail vertebrae (VB-tail), and number of vertebrae from the head to the tip of the heart (VB-heart). Body and tail are separated by the presence of the first pair of forked ribs in the cloacal region; this pair of ribs is included in the number of tail vertebrae. Tip of the heart was indicated in the x-ray radiographs by inserting a needle perpendicular to the long axis of the body pointing at the vertebrae opposite the tip of the heart. Relative position of the tip of the heart is expressed as the percentage of the total number of body vertebrae (% VB). Terms and description of the hemipenis follow Dowling & Savage (1960). Hemipenis was described in everted condition. All measurements are given to the nearest centimeter. Meristic and mensural
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