LYGOSOMELLA AESTUOSA. 251 



were also procured at Barak a, Sandwich Islands, and other localities, 

 thus giving to this species a range almost as wide as that of Emoa 

 cyanum, and like the latter, it is very likely carried from island to 

 island by the natives, for it is most frequently seen about their huts. 



GENUS LYGOSOMELLA, GIRAKD. 



CHAR. GEX. Corpore depresso, elongate, squamis modicis et striatis 

 cooperto. Capite subquadraiirjulo-pyramidali, depresso. Naribus in 

 laierihus sitis, scutum unum perforantibus. Scutis supranasalibus 

 nullis ; pcirieialibus separatis. Palato cdentulo. Palpebra inferiori 

 disco pelhicido praedita. Apertura auditor ia antice denticulata ; 

 tympano prof undo. Membris parvis, valde dislantibus ; digiiis utri- 

 usque membri quinque inaequalibus ; palmis plantisque subtiliter 

 tuberculosis; scutellis subdigitalibus transrersis, laevibus. Cauda 

 modica, subconica, minuente. 



GEX. CHAR. Body depressed, elongated, covered with moderate and 

 striated scales. Head subquadrangulo-pyramidal, depressed. Nos- 

 trils lateral, in one plate; no supranasal plates. Parietal plates 

 separated. Palate toothless. Lower eyelid with a transparent disk. 

 Auricular aperture denticulated in front; tympanum deeply seated. 

 Limbs small, far apart ; five fingers and five toes, unequal ; palms 

 and soles finely tubercular. Subdigital plates transverse, smooth. 

 Tail moderate, subconical, and tapering. 



SYN. Lyyosometta, GRD. in Proc. Acad. Nat. Sci. Philad. November, 1857. 



OBSERV. Like the preceding, this genus is a dismemberment of 

 Mocoa, remarkable for its depressed body, weak and distant limbs. 

 The parietal plates are not united, and the middle occipital exists as 

 a distinct plate. 



LYGOSOMELLA AESTUOSA, Grd. 

 (Plate XXVII, figs. 1-8.) 



CHAR. SPEC. Corpore longtori, triginta sex seriebus squamarum lon- 

 gitudinalibus cooperto. Rostro elongato. Scuto labiali superiore quinto 



