25. SACCOPETRA. 159 



1. Saccodeira ornatissima. 



Saccodeira ornatissima, Girard, II. cc. pp. 198, 323, pi. xxviii. figs. 1-8. 



Fpper head-scales multicarinate ; front edge of ear with two 

 projecting scales. Sides of neck pouched, covered with small scales 

 and granules within the pouches ; a vertico-obli(iue fold in front of 

 the shoulder. Dorsal scales moderate, rhombic, conspicuously 

 keeled, forming longitudinal series, the median exhibiting an incon- 

 spicuous crest or ridge, formed by somewhat more developed keels 

 than those of the adjoining series ; lateral scales smaller, with the 

 keels directed obliquely upwards ; ventral scales somewhat smaller 

 than dorsals, subrhomboidal, smooth. The adpressed hind limb 

 reaches the ear. Tail once and a half as long as head and body, 

 slender and tapering, thick and depressed at the base, then slightly 

 compressed and conical posteriorly. Greyish brown above, with a 

 double series of dark brown subtriaugular spots along the dorsal 

 region ; limbs maculated ; upper surface of head blackish ; sides 

 and under surface of latter whitisli, with small jet-black spots ; 

 abdomen uniform dull yellow. 



Total length 135 niillim. 



Peru. 



2. Saccodeira pectinata. 



Ptygodi'rus pectinatus, Grai/, Cat. p. 21G. 

 Proctotretus pectiuatus, Dum. S)- Bibr. iv. p. 292 ; Bell, Zool. Beagle, 



Bept. p. 18, pi. ix. fig. 2 ; Gidchen. in Gay, Hist. Chile, Bept. 



p. 44; Girard, U.S. ExpJor. Exped., Hcrp. p. 333. 

 Lioltemus (Proctotretus) pectinatus, Fitziny. Syst. Bept. p. 74. 

 Proctotretus splendidus, Girard, Proc. Ac. Phi/ad. 1857, p. 198, atid 



I. c. p. 329, pi. xvii. figs. 1-7. 



Habit rather stout. Snout short. Upper head-scales imbricate, 

 strongly keeled ; front edge of ear with two or three projecting 

 scales. Sides of neck not distinctly plicate, covered with large, 

 imbricate, pointed keeled scales ; a verj' small oblique fold or pit 

 ill front of the shoulder. Dorsal scales large, rhomboidal, pointed, 

 sharply keeled, the keels ending in short spines, aud forming con- 

 tinuous longitudinal lines ; those of the vertebral series and of the 

 fifth or sixth series on each side of the latter stronger, and forming 

 three slight pectinate crests. Gular and ventral scales smaller, 

 rhomboidal, imbricate, smooth, emarginate posteriorly. The ad- 

 pressed hind limb reaches the axil in the female, halfway between 

 the shoulder and the ear in the male ; digits rather short, fourth 

 finger considerably shorter than third. Tail a little longer than 

 head and body, conical, tapering, scaled like the body. Ihownish 

 above ; back with three rows of regular light-edged, dark brown 

 spots ; sonic of the dorsal scales emerald- green ; a transverse brown 

 baud between the eye ; lateral crest yellowish white ; flanks with 

 one or two series of large dark-brown spots, and a more or less di- 

 stinct whitish streak from axilla to groin ; a white dark-edged 

 streak along the back oH the thigh ; lower surfaces whitish. 



