156 REPTILES. 



Weigmann's Hemidactyle. Hemidactylus Pemvianus, 

 Weigmann, Act. Nat. Cur. xvii. 240. Dum. et Bib. E. G. iii. 369. 



Grey, blackish marbled, with roundish white spots ; scales of 

 the back equal, granular, nearly circular ; tail rather depressed ; 

 sides rounded, spinose ; thumb small, perfect, clawed. 



Inhab. Peru. Mus. Berlin. 



10. Velernesia. 



Toes united by a web at the base, rather dilated towards the 

 end, with 2 rows of diverging plates beneath. Thumb free, di- 

 lated at the base, with a distinct compressed last joint, clawed. 

 Skin of the sides and hinder part of the thigh very lax and puck- 

 ered. Tail rather depressed, flat beneath, sharp-edged, with a 

 close series of depressed spines on each margin, upper part 4-sided, 

 with distant rings of conical tubercles. Femoral and preanal 

 pores in an angular series. 



The Velernesia. Velernesia Richardsonii. 



Scales of the back e(|ual, nearly circular, with a few scattered 

 large round, convex tubercles ; tail rather depressed, sides erect, 

 upper part subangular, with 4 series of small conical spines, pla- 

 ced in cross series. 



a. In spirits. Presented by Dr. John Richardson. 



11. Doryura. 



Toes free, or very slightly webbed at the base, dilated towards 

 the end, with 2 diverging series of plates beneath, last joint com- 

 pressed, rather elongate, clawed. Thumb like the toes, with the 

 clawed, compressed, terminal joints. Back with minute, uni- 

 form, granular scales. Tail depressed, rounded above, flattish be- 

 neath, with a sharp denticulated edge to the lower side, and a 

 central series of larger scales beneath ; sides of body and limbs 

 simple. 



* Tail rather convex, slightly toothed on the sides. 



Bowring's Hemidactyle. Dorv-ura Bowringii. 



Grey-brown, with minute specks ; tail with narrow pale cross 

 bands, darker-edged in front; limbs and tail white-speckled; the 

 back with small equal granules ; tail 6-sided, covered withequal 

 granules above, unarmed, with a narrow series of central plates 

 beneath ; chin-shields 4, sublrigonal, angles truncated or rounded, 

 the two middle largest ; tail lanceolate, convex above and slightly 

 margined on the side. 



a, b. In spirits. ? Presented by Charles Bowring, Esq. 



