Tin: ItATKACIIIA OK NOIMII AMLUICA. 



3l!» 



7-. 



i 



lip. Tilt' iio.sti'il is ii littlo boliiiul the. apox, ami as Tar in IVoiit of tlio 

 orltit as the loii<;' diauu'lci' of tlu; latter. Tyinpanit; iiieinhraiic iDiiiith 

 its (liaiiietcr about lialf that ol'cyc. Cliuaiia- latora!, (■(|iial in si/.c to llic 

 ostia pliar.viifica. Ton;,'iU', lonjjcr than \vi(U', lull, cntirt'. Inte^uMicnts 

 evny where smooth; on the a1)(h)inen a faint iliscoidal t'oM. I)i<;'its 

 short, nxMlerately expanded and tnin(!ate at the extrenii'v. IM'oni- 

 inent tubercles at tiie proxinnil ends of the phahinj^es below. First and 

 second anterior toes eipnil and shorter than fourth. The heel of tho 

 appressed hind limb reaches the middle of tho tynii)anuni, and the ex- 

 tremity of the tarsus a little anterior to the orbit. The tore limb is rela- 

 tively lonjifer, the wiist extendin<j[ beyond the extremity of the muzzle. 

 The tarsus is two fifths the entire leiif-th of the i)0(*^erior foot. The in- 

 terorbital spacte is Hat and wide, and is but a trille narrower than tho 

 expanse of the sacral diajiophyscs. 



The color of the upper surliutes is a lijiht |):irplish brown, elosc'y 

 spotted with rather small (;losely placed and broadly delined dark 

 brown spots. The spots are less distinct on the head. Inferior sur- 

 faces liyht yellowish, immaculate, this tint commencing as small spots 

 on the pale ground of the sides. Lind)s above brown, broadly cross- 

 banded with yellowish' femora behind, light brown with a few light 

 points. 



■ .\ 



i 



I 



1 ' 4 6 7 



I'lii. hi. .Syirhophun marnockii. No. 13035. HpIuIcs, Texaa; 1. 



Mca-tiinmciitu 



M. 



l.(ii;;lli ()(■ liciid iiiul body 0;5S 



I.riijitli (if Iiciid, ini'liidin^ tyinpaii.'i 0l'2',i 



W id ill i)f liciid, iiicliidin^' tymiiaiia .01;} 



l-(ii};tli (if fore limb from axillii C'*ii 



J.i'ii^rtli of liiiid liiiili from j;roiii 0-15 



l.fiiMitliof tiliia 015 



LeiiKlIi of tarsn.s 00<)3 



Li'nj;tli of rest of foot 015 



Nothing is yet known of the life history of this siiccies. It is prob- 

 abh' that, like other species of tho genus, it inhabits rocky places. I 

 found the S. tcrruviptu in the bottom of a rocky ravine in the State of 

 ]lidalgo, Mexico, mider a stone ou thQ borders of a small stream. 





hi 



!! 



I 



m 



