100 
posterior upper labials, the enlarged temporal, all the lower labials, 
the mental, the chin shields, and the margino-labial shields beneath 
white, each with a large black spot ; most of the small scale-like 
shields between the chin-shields and the abdominal plates with a 
small round dark spot ; upper surface with thirty-four transverse 
rows of black spots, each row preceded by a narrow chestnut 
band, this color predominating on the tail which bears eight rows 
of the thirty -four ; the outer row of scales on each side black with 
a narrow white margin ; abdominal and subcaudal plates with 
numerous brown blotches ; posterior third of tail bright yellow. 
BATRACHIA, 
Examples of four species of Tree Erog are included in this section 
of the collection, but unfortunately all the specimens of two of 
these are so small and so much shrivelled that I have found it 
impossible to determine their identity with any of the species in 
the latest British Museum Catalogue. One of the remaining 
species is described as new under the name of Hyla maegregori . 
Hyla doliciiopsis. 
Calamita dolichopsis, Cope, Journ. Acad . Philad . (2) vi. p. 204- 
(1867). 
There are a few specimens of this fine Frog in the collection. 
Hyla macgregori, sp. nov . 
Tongue subcordiform, slightly free behind. Vomerine teeth 
in two small oval oblique patches, behind the level of the choante. 
Head small, as broad as long ; snout rounded, slightly longer than 
the diameter of the orbit ; canthus rostralis distinct ; loreal region 
nearly vertical, not concave ; interorbital space as broad as the 
upper eyelid ; tympanum rather indistinct, half the diameter of 
the eye ; a distinct fold across the chest between the fore limbs. 
Outer fingers about one-third webbed, the others not so much ; no 
projecting rudiment of pollex ; toes nearly entirely webbed ; disks 
of lingers equal in size to the tympanum, much larger than those 
of the toes ; subarticular tubercles small. The hind limb being 
carried forward along the body, the tibio-tarsal articulation reaches 
the tip of the snout. Skin smooth, finely granulate on the belly 
and under surface of the thighs. Colors — Variable, those of the 
two extreme forms being as follows ; (a) upper surface of head 
and body dark brown, the former with small yellow spots, the 
latter with three broad yellow longitudinal bands ; the median 
band commences generally between the eyes, but is sometimes 
produced forwards to the tip of the snout, and terminates on the 
rump ; the lateral bands are broader, commence at the postero- 
superior angle of the orbit, and terminate abruptly at a point 
beyond the middle of the sides ; a row of yellow spots between 
