22 PROCEEDINGS OF THE NATIONAL MUSEUM vol.74 



than the lower edge of the ventral crest. Muciferous crypts 

 indistinct. 



Mouth pa7ts. — Teeth f. Upper labium fringed with a continuous 

 row of labial teeth, the papillae extending only to each end of this 

 fringe. The end of the second upper row does not extend beyond the 

 end of the upper fringe. The median space between the two parts 

 of the second row is contained 1.4-2.1 times the lateral row. Horny 

 beak about equal to or slightly less than the third lower labial row of 

 teeth or contained 1.75 times in the upper fringe, or about 1.5 times 

 the first or second row of lower labial teeth, which are about equal. 

 The third row of lower labial teeth may be contained 1.2-1.4 times 

 in the length of the second or first lower lateral row. Rows of papillae 

 at least two, very prominent, sometimes 3-5 rows at corner of mouth. 

 Lower loop of papillary border very prominent with at least two dis- 

 tinct rows of papillae. This loop sometimes extends slightly beneath 

 the end of the third row of teeth. This loop decidedly lower in level 

 than end of the third labial lower row. 



Measurements. — Length of body (8.0-9.8 mm.) in tail (9.0-15.0 

 mm.) 1.05-1.66, average 1.3. Width (5.2-7.0 mm.) of body in its 

 own length 1.36-1.74, average 1.51. Depth (3.6-5.0 mm.) of body 

 1.22-1.6 in body width, average 1.36. Depth of body 1.86-2.25 in 

 body length, average 2.07. Depth of tail (2.4-5.0 mm.) in length of 

 tail 2.4-4.5, average 3.27. Muscular part (1.4-2.2 mm.) 1.5-3.0 in 

 depth of tail, average 2.11. Spiracle 1.0-2.0 nearer base of hind legs 

 or vent region (3.6-6.0 mm.) than the tip of the snout (4.8-7.4 mm.), 

 average 1.51. Spiracle 1.0-1.53 nearer eye (2.8-4.4 mm.) than base 

 of hind legs or vent, average 1.26. Eye 1.0-1.57 nearer to tip of 

 snout (2.6-3.8 mm.) than to spiracle (2.8-4.4 mm.), average 1.19. 

 Nostril 1.1-1.8 nearer eye (1.0-1.8 mm.) than snout (1.6-2.6 mm.), 

 average 1.48. Mouth (2.0-2.8 mm.) usually 1.2-1.6 larger than 

 internasal space (1.6-2.4 mm.), average 1.36. Mouth contained 

 1.00-1.5 (average 1.17) in interorbital distance (2.0-3.4 mm.). 

 Internasal space contained in interorbital space 1.1-2.1, average 1.56. 



The dimensions of the largest tadpole are: 



Mm. 



Spiracle to vent 4. 5 



Spiracle to eye 4. 



Eye to snout 3.0 



Eye to nostril 1. 4 



Nostril to snout 2. 2 



Mouth 2.8 



Interorbital distance 3. 4 



Internasal distance 2. 



Mm. 



Total length 24. 



Body length 9. 8 



Body depth 5. 



Body width 7. 



Tail length . 14.2 



Tail depth 4. 8 



Musculature of tail 1. 6 



Spiracle to snout 6. 8 



