:- ) 





318 IIULLLTIN ;il, rMTlil) «TATi:S NATIONAL Ml'SKUM. 



I-ITIIODVTK.S inCOK'DM Diini. iV lliltr. 



Cpr, t'licik-LiMt N. Aiii.r. Wtitv. Kci'lil., 1^7.'., p. :tl. 



Hyludix liivrdii Diiiii. \ Hiln'., Krp. (li'H., \ Ml, ii,(!j:t; Uiiiili'ii^'or, Cut. Hiitr. Sal. Uiil. 

 Mim., If-S'j, 1,. -Jl;!. 



Head ii.s wide as or wider fiiiii (ho body, lon^'or than broad; tlio 

 hifi'ial oulliiics euived ; the end of the imi/.zlo abruptly truncated. 

 Ostia i»harynj;ea oval. Vomerine ti-etli in two \ou<f curved series, 

 w Inch coinnicnce behind and opposite to the external border of inner 

 nares; thoy are sep uated by a considerable space nu'dially. Tonjfuo 

 elonyate oval, slightly nicked. A snboular vocal sack. Tympanum 

 half the size of the eye. Skin smooth above and below; sides ruyose. 

 Heel reathinj; the orbit. I)i}j;ital palettes snnill. Two metacarpal, two 

 nu'tatarsal tubercles. Iiracbiiim lonjrcr thanore<pial toantcbrachium. 



General color reddish-brown. The loreal re};ion, a band between the 

 eyes, one above the tympanum, ai.d some dorsal si)ots, darker. Ileneath 

 liji'ht brownish. 



A siufjle specimen from Key West, Florida, is in the National Mu- 

 seum. Its proj)or habitat is Cuba. 



8YKRII0PIIUS Cope. 



Amcr. Nat., lf-78, p. '2'i',\; Procct'd. Aiiur. Philosopli. Soc, I87ti, p. 'JGd. 



Sternum a cartilaginous plate, notched; digits free; vomerine teeth 

 in)ne; ear well developed; nasal bones in contact, forming a solid root' 

 over the ethmoid cartilage. I'upil horizontal. 



This genus is simply Lithodytes without vomerine teeth. In the 

 former genus the nasals an<lethmoi<l have the structure seen in Klosia. 

 Four si)ecies are known, three of which are Mexican in distribut.'on. 

 They difl'er as follows from each other: 



I'oiitcnor limb.s short, lioul to tyiiipaiiiiin ; licad wide; tympiiiiuin half orbit; rufous, 

 brown spotted S. miiriiinliii. 



Posterior limbs lonj^cr, heel to front of orbit; liead wide, a canthns rohtralis; tyni- 

 l)anuni ono-tiiird orbit ; brown, pale si)otted .V. lq)nig. 



Posterior limbs lon/^er, lieel to tVfnit of orbit; head narrow, no canthns rostralis; 

 tympanum one-third orbit; brown, dark si)otted <S'. cjintiijiKtlhuhhu. 



Heel to front of orbit; lieail rather wicb-, Hat; tympanum two-thirds eye-slit; sub- 

 digital tubercles largo; gray, with black .spots .V. veirucijics. 



SYRRIIOPIIUS MAKXOCIIII Cope. 



(Plato 71, tig. :i4.) 



Amor. Nat., 187i^, p. 2.J3; Hull. IJ. S. Nat. Mus., 1880, p. 2G. 



The typical specimen is as large as ITyhi rcrsicolor, ami has a long 

 Hat head and remarkably short hind legs. The muzzle is flat and 

 slightly depressed above, and projects a little beyond the edge of the 



7"" 



»l 





