396 HYLIDA, 
." J 5 ’ Ae 
‘ of, t Pn | = aK. 
89. “Byler guatemalensis. 
Plectrohyla guatemalensis, Brocchi, Bull. Soc. Philom. (7) i. P 92. 
Cauphias ¢ ouatemalensis, Br occhi, ibid. p. 129. 
Tongue round, entire, free behind. Vomerine teeth in two small 
groups between the choane. Snout rounded; canthus rostralis 
distinct; loreal region very high, concave; tympanum hidden. A 
rudiment of web between the three outer fingers ; a much developed, 
claw-like rudiment of pollex; toes entirely webbed ; disks well 
developed. Sides with glandular folds ; beneath granulate ; ; a fold 
across the chest. Grey above, with rounded markings on the back ; 
limbs marbled with green ; ellowish white beneath. From snout 
to vent 59 millim. 
Guatemala. 
90. Hyla crassa. 
Cauphias crassus, Brocchi, Bull. Soc. Philom. (7) i. p. 130. 
Tongue subcircular, nicked and slightly free behind. Vomerine ~ 
teeth in two groups between the choane. Head short and thick; 
snout rounded ; canthus rostralis short, rounded; loreal region 
much elevated, a little concave ; tympanum hidden. Fingers free ; 
no projecting rudiment of pollex; toes entirely webbed. Skin of 
upper surfaces shagreened ; lower surfaces granulate; a fold from 
the eye to the shoulder; a fold across the chest. Grey above; 
flanks and limbs marbled. Male with a vocal sac. From snout to 
vent 66 millim. 
Mexico. 
91. Hyla plicata. 
Hyla plicata, Brocchi, Bull. Soc. Philom. (7) i. p. 126. 
Tongue oval, nicked and free behind. Vomerine teeth on a level 
with the front edge of the choane. Head much depressed, broader 
than long ; snout rounded ; ; canthus rostralis angular; eyes very 
large; tympanum distinct, one third the diameter of the eye. 
Fingers free, a rudiment of web between the first and second (!); 
toes half webbed; disks small, not half the diameter of the tym- 
panum. Skin smooth above, granulate beneath ; a fold from the 
eye along the side ; a strong fold across the chest. Green above, 
back and limbs spotted. From snout to vent 44 millim. 
Mexico. 
92. Hyla spinosa. 
Hyla spinosa, Steindachn. Verh. zool.-bot. Ges. Wien, 1864, p. 239, 
pl. 9. f. 1, and Novara, Amph. p. 62. 
Tongue subcireular, slightly emarginate behind, adherent. Vome- 
rine teeth between the choane, in two small groups slightly con- 
vergent backwards. Head short and broad; snout. vertically 
truncate ; canthus rostralis obtuse; loreal region slightly concave ; 
tympanum very distinct, not much smaller than the eye; a strong 
and narrow glandular prominence from the eye to the shoulder, over 
