51. DRYOOALAMUS. 369 



its distance from the end of the snout, much shorter than the 

 parietals ; loreal as long as deep or a little longer ; two prse- and 

 two postoculars; temporals 2 + 2 or 2+3; nine upper labials, 

 fourth and fifth entering the eye; four or five lower labials in 

 contact with the anterior chin-shields, which are a little longer 

 than the posterior. Scales in 17 rows. Ventrals 195-214 ; anal 

 entire ; suboaudals 112-123. Greyish brown above, with a dorsal 

 series of large oval or subquadrangular brown, blac'i-edged spots 

 and, on each side, a series of smaller spots alternating with the 

 dorsals ; head spotted or marbled with brown ; yellowish beneath, 

 uniform or with scattered brown dots. 



Total length 740 millim. ; tail 220. 



Philippines. 



It. 2 (V. 210 ; 0. 123). Suvio-ao. A. Everett, Esq. [0.]. 



b, c, d. 2 (V. 209, 214, Philippines. fl. Cuming, Esq. [0.1. 



105; 0.114,118,112). 



51. DRYOCALAMUS. 



Nympha (non Martini), FiUing. N. Class. Rept. p. 29 (1826). 



Lycodon, part., Schleg. Phys. Serp. ii. p. 104 (1837). 



Odontomus (non Kirby), Dum. Sf Bibr. M4m. Ac. Sc. xxlii. 1853, 



p. 463, and Erp. Gen. vii. p. 450 (1854) ; Oiinth. Cat. Col. Sn. 



p. 206 (1858) ; Jan, Elenco sist. OJld. p. 95 (1863) ; Giinth. Rept. 



Brit. Ind. p. 233 (1864). 

 Dryocalamus, Giinth. Cat. p. 121. 

 Hydrophobus, Giinth. Ann. Sf Mag. N. H. (3) ix. 1832, p. 127 ; 



Bouleng. Faun. Ind., Rer>t. p. 297 (1890). 

 Nvmphophidium, Giinth. Rept. Brit. Ind. p. 235. 

 Ulupe, Blanford, Jonrn. As. Soc. Beng. xlvii. 1878, p. 129. 



Maxillary teeth 8 to 10, rather short but stout, increasing in size 

 posteriorly ; anterior mandibular teeth a little longer than the 

 posterior ; one or two more or less distinct tooth-like knobs on the 

 basisphenoid. Head distinct from neck, much depressed; eye 

 moderate or rather large, with vertically elliptic pupil. Body 

 slender, slightly compressed ; scales smooth, in 13 or 15 rows, with 

 apical pits ; ventrals strongly keeled on each side. Tail moderate ; 

 subcaudals in two rows. 



South-eastern Asia. 



Synopsis of the Swedes. 

 I. One or two praeoculars. 



Eostral not twice as broad as deep ; scales 



in 13 rows 1. nympha, p. 370. 



Eostral not twice as broad as deep; scales 



in 15 rows 2. subannulatus, p. 371 - 



Rostral twice as broad as deep ; scales 



in 15 rows 3. gracilis, p. 371. 



TOL. I. 2 b 



