22 BULT.ETIX 15 4, UNITED STATES NATIONAL MUSEUM 



3. Large piii'h'tal sciitf^ normally five; nostril in suture between anterior 



and posterior nasal plates; anal spurs often present 51. 



Large parietal scutes normally three; nostril anterior to suture between 

 the anterior and posterior nasal plates; anal spurs absent 4. 



4. Lower lateral stripes of uniform width, not irregular, wavy, tessellated 



or broken; crossliars absent 5. 



Lower lateral stripes, if present, irregular, wavy, tessellated or broken; 

 crossbars present or absent 29. 



5. Spots not pre.sent in the lateral fields 9 



Spots present in the lateral fields 6. 



6. Posterior side of forearm with a patch of enlarged scutes or polygones_-23. 

 Posterior side of forearm covered with granules 7, 



Figure 2. — CNKMiDorHoitu.s 

 GUTTATus. Top of head. 

 A, Anterior nasal ; B, 



FRONTONASAL ; C, PRE- 



FRONTAL ; D, FRONTAL ; E, 

 SUPRAOCULAR ; F, FRONTO- 

 PARIETAL ; O, PARIETAL ; H, 

 OCCIPITAL ; Ij SUPRAOCULAR 

 GRANULES 



7. Supraoculars four 8. 



Supraoculars three C. deppli deppii (Wiegmaim), p. 56. 



(Mexican coast southward from Nayarit and Vera Cruz through 

 Central America to Costa Rica.) 



8. Back with less than nine lines 23. 



Back with nine or more lines C. deppii deppii (Wiegmann), p. 56. 



(Mexican coast southward from Nayarit and Vera Cruz through 

 Central America to Costa Rica.) 



9. Back with less than nine lines 16. 



Back with nine or more lines C. deppii deppii (Wiegmann), p. 56. 



(Mexican coast southward from Nayarit and Vera Cruz through 

 Central America to Costa Rica.) 



10. Anterior nasal separated from second upper labial on both sides 12. 



Anterior nasal in contact with second upper lal)ial at least on one side__ll. 



