14 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 119 



10. No supraoculars larger than the scales on snout 11 



Some or many supraoculars enlarged, larger than snout scales 13 



1 1 . 6-8 upper labials to center of eye 12 



10-12 upper labials to center of eye lati/rons 



12. White beneath, dotted and vermiculated with black; four rows of scales 



between supraorbital semicircles ventrimaculatus* 



Uniform white beneath, two rows of scales between supraorbital semicircles. 



eulaemus 



13. Supraorbital semicircles separated by one or two rows of scales 14 



Supraorbital semicircles separated by two to four rows of scales . Juscoauratus 



14. Interparietal (occipital) larger than ear opening and in contact with the 



supraorbital semicircles macrolepis* 



Interparietal (occipital) equal to or smaller than the ear opening, and separated 

 from the supraorbital semicircles by three or four rows of scales . peraccae 



1 5. Head scales smooth 16 



Head scales not smooth 18 



16. Supraocular scales large, about seven in number 17 



Supraocular scales small, about size of scales on rest of head, very numerous. 



Moris 



17. Occipital larger than ear opening ortoni 



Occipital not larger than ear opening transversalis 



18. Head scales rugose 19 



Head scales keeled 20 



19. Supraocular scales smooth Jraseri 



Supraocular scales carinate gemmosus 



20. Eight labials to below center of eye; 16 lamellae under second and third 



phalanges of fourth toe maculiventris 



10-12 labials to below center of eye; 20-22 lamellae under second and third 

 phalanges of fourth toe princeps 



21. At least two rows of enlarged dorsal scales 24 



All dorsal scales granular 22 



22. Legs long, hindlimb reaches end of snout; digits feebly dilated 23 



Legs short, hindlimb reaches ear opening; digital expansions strongly developed. 



Jraseri 



23. Dorsum uniform brown or olive; may have few small dark spots, distinct dark 



lateral band from eye to side of body granuliceps 



Dorsum with series of large angular spots or rhombs, often confluent into 

 zigzag band; females may have broad, light, dark-edged vertebral band. 



scypheus 



24. Enlarged supraocular scales keeled 25 



Enlarged supraocular scales smooth binotatus 



25. Dorsal scales small, rhomboidal, subimbricate 26 



Dorsal scales large, hexagonal, juxtaposed, in longitudinal series 27 



26. Supraorbital semicircles separated by two rows of scales .... tropidogaster 

 Supraorbital semicircles in contact or separated by one row of scales gracilipes 



27. Ventral scales larger than dorsals 28 



Dorsal scales very large, largest twice as large as ventrals notopholis* 



28. Five labials to point below center of eye auratus 



Eight or more labials to below center of eye bitectus 



