20 REPTILES. 



1. HoMALOSOMA LUTRIX. 



Homalosoma lutrix, Seha, i. 1.6, ii. 86. 5. Coluber lutrix, 

 Linn. Syst. Nat. i. p. 375 ; Daubent. Quadr. Ovip. Serp. p. 649 ; 

 Lacep. Quadr. Ovip. Serp. ii. p. 175; Bonnat. Ophiol. ]). 63; 

 Shaw, Zool. iii. p. 472; Latr. Rept. iv.p. 143; Daud. Kept. vii. 

 p. 1 99. Schmalbauchige Natter, Merr. Beitr. i. t. 1 ; Shaw, I. c. 

 p. 4/4. Elaps duberria, Schneid. Hist. Amph. p. 297 ; Daud. I. c. 

 p. 202, Coluber erathon, Hermann, Obs. Zool. p. 273. Coluber 

 aretiventris, Merr. Tent. p. 100; Kuhl, Beitr. Zool. p, 82; Daud. 



1. c. p. 221. Homalosoma aretiventris, Wagl. Syst. Amph. p. 191. 

 Calamaria aretiventris, Schleg. Ess. pi. 1. f. 24-26. Homalosoma 

 lutrix, Dum. ^' Bibr. vii. p. 110. 



Back brown ; sides bluish grey, minutely speckled with black ; 

 belly yellow, on the sides greyish, black-spotted. 



a. Adult. Cape of Good Hope. From the Berlin Museum. 



b. Many specimens. Cape of Good Hope. 



c. Young. Cape of Good Hope. 



d. Adult. South Africa. 

 e,f. Adult. Africa. 



g. Adult. Africa. From the Haslar Collection. 



h. Adult : bad state. Africa. 



i-l. Adult. Africa. 



m-p. Adult. Africa. Presented by Sir F. Macgrigor. 



q, r. Half-grown. Africa. Presented by Sir. F. Macgrigor. 



s, t. Adult. ? Presented by Mr. Linsey. 



u. Young. Africa. 



2. Homalosoma variegatum. 



Homalosoma variegatum, Peters in Wiegm. Archiv, 1855, p. 51. 



Above black, variegated with brownish grey ; beneath brown- 

 ish grey, irregularly black-spotted. Vertical shield much longer 

 than its distance from muzzle. 



Mozambique. 



16. Oligodon, Boie. 



Body and tail moderate ; head blunt, conical ; rostral shield 

 rather flat in front, pointed behind, and far produced backwards 

 between the anterior frontals ; two pairs of frontal shields ; two 

 nasals, nostril between ; one loreal, one anterior, two posterior 

 oculars. Scales smooth, in fifteen or seventeen rows ; subcau- 

 dals two-rowed. Teeth equal ; posterior maxillary teeth rather 

 longer, not grooved; no teeth on the palatine bones. East 

 Indies. 



