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. Breviora. 6 BREVIORA No. 195 in schwartzi to form an erose margin and light center. The aver- age number of paramedian, dorsal spots in parkeri is for males and for females, slightly lower than the averages for schwartzi. In parkeri the females average larger than males; 11 females average mm (230-564) ; nine males average mm (306-444) ; the tails of male parkeri average per cent. Fig. 3. Dorsal midbody i)attern of Tropidophis caymanensis schwartzi (MCZ 69618, type). of the total length, those of females per cent. The slight sex- ual dimorphism evident in avera
. Breviora. 6 BREVIORA No. 195 in schwartzi to form an erose margin and light center. The aver- age number of paramedian, dorsal spots in parkeri is for males and for females, slightly lower than the averages for schwartzi. In parkeri the females average larger than males; 11 females average mm (230-564) ; nine males average mm (306-444) ; the tails of male parkeri average per cent. Fig. 3. Dorsal midbody i)attern of Tropidophis caymanensis schwartzi (MCZ 69618, type). of the total length, those of females per cent. The slight sex- ual dimorphism evident in average total length and average tail/total length ratios for schwartzi is present but reversed in parkeri. The ten specimens of caymanensis which were examined have a modal scale-row count of 23-25-17 with variants of 23-25-19 (1) and 25-25-19 (1). These agree closely with Battersby's (1938) type and paratype which had scale-row counts of 23- 25-17. Schwartzi is distinguishable from caytuancnsis by the possession of 25-25-17 scale-rows. Grant (1940) thought that the type of caymanensis Avas abnormal in having only 191 ven- trals; he also mentioned a male with 183 ventrals. In his analysis,. 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 perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. , Museum of Comparative Zoology, Harvard University
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