352 BULLETIN :U, UNITED STATES NATIONAL MUbKI'M. 



Upper lip niid fiiilo wifli n narrow, poorly (It'fiiird yollow line; tliijjli iiniciilnr 

 lit'liiiid; Hiiiall; lu'ad nmiulfd //. n'luiriHii. 



Larger; head sliort, rouiKied ; iii>|i('r lip iiiiicolor ; a ])l(iiiirolor('d lateral 

 baud not deliiied below ; sides and tlii;{li behind spotted with \«'ili>w 



//. Hiidd-soiiii. 



(ta. Two plialanjtes of fourth too free. 



Slender; head aonniinate; a yellow l)and on upper lip and on side well de 

 lined above and below ; thi;;h nnsjiotted behind If. cnrolhiriii^in. 



Robust; head roundtHl ; no band on upper lips, nor spots on thiK'' behind 



//. arvnicolor. 



in. External finj^ers shortly pahnate; vomerine fascicles between nares. 

 CC Dorsal inte^juiuent not closely areolate. 



Three phalan;;e8 of fouith toe free ; skin above Bniooth ; upper lip iinieolor ; 

 thi^b behind dark brown with yellow H\wis , //. ftinonilis. 



Two phalaufjes of fourth toe free ; dorsal integument witii sni.ill tuberele>; 

 upper lip spotted; thigh yellow, with eoarso netfiiiK of darker eoloi 



posteriorly //. remcolor. 



act' Dorsal intefjnmeut with a close areolation like that of the belly, 



Two phalanges of fourth toe free ; dor>al aifolie more minute than those of 

 belly: upper liji with yellow edge; thigh behind unspotted.//, tj utioxa. 



The North Aiiu'riitan si)eci«\s of tlii.s ^'oim.s are easy to (li.stiii'iiii.sh, 

 since tliey are well (k'tincd. The only one whieh presents iimeh varia- 

 tion in characters is the 11. rajUUi. A species was named and li;,Mired 

 by Professor Ilolhrook as the //. (hlitcun-ns. Other aiithois have not 

 recognized this tree froji', and it remains uncertain whether it was not 

 founded oii immature sjieciinens of the Jf. rcfsicolo): 



Tliedamp southciistern part of the continent naturally possesses the 

 greater number of species of this genus. 



HYLA PICKEEINGIJ Storer. 



(IMafe?^.) 



ej 

 w 

 \i 



^1 



an 



Ilylodes ))i<kerin;iii .'^torer, Mass. Ifept, (l>^:iU), i.MO; Holbrook, N. Amer. Herp., !id 



ed., iV(ls|-.>), i:i:.. XXMV: Di' Kay, N. Y. Zool., m. Heptil. (|H4-.'), ti'.txx, .'.li 



Thompson, Nat. Mist. Vt. (1^1-'), l-,'l. 

 Uyhi fvmitrttHn Nichols, .Journ. Essex Co. Nat. Hist. Sue., i (.June, l-lt'.t). 'Jli (Dau- 



v<'rs, Mass.). 

 IJyln (riK'iftr Max. Von Wied., Heise in das inn. Nord-AmiTika. i (l~;i'.l,», '.i\'J, 

 Acri» (le piihriiiu Aug. Duin(<ril, Ann. des Se. .Nat., :!"" serie. xix ( I8."i3), l.'i3, 

 /lrrix/)i'7i(ri«.7ii (ilint her. Cat. IJatr. Sal. liiit. Mus., HlW, p. 71. 

 ilyla puhcriiiiiii Le t'onte, rroceeil. Ae. I'liila, l-.M, p. kii, p. \'>[} • Cope, Check-List 



liatr., Ueptil., N. Amer., p. ;tl, l6i:>; Uoulengei, Cat. Hatr. Sal. llrit. Mas., I-h-.*, 



p. 3U9. 



Body sparsely pustular above; do.sely granulated on wlnde lower 

 parts. Tibia not half the length of luidy, longir than hind fool, longer 

 than arm from elbow. Above, ash gray to wood biown, with a well-de- 

 fined narrow liiu'd X o> Saint Audit »v'.> cross on the bac^k; a /\ shaind 

 mark behind the cross and a short liiieonea<;h side, with theii diicction 

 parallel to the posterior of the X angle; another similar mark between 



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mSkk 



