LIST OF SNAKES COLLECTED IN BORNEO 81 



with 6 species; and tiie new genus Leptophis here proposed 

 by Bell, with 4 species, among which Coluber ahaetulla Linn." 

 The volume in which this pamphlet occurs begins with a re- 

 print, or second edition, of the first „Årsberättelse" and hears 

 the year 1822, the date of the first edition, on the title page, 

 hence the erroneous date attributed to Dalman 's Dryophis. 

 To make the whole matter clear, I submit the following emen- 

 ded and augmented synonymy of the genus Passerita,: 



1820. — Dryinus Merrem, Tent. Syst. Amph., p. 136 (type, 

 D. mycterizans == 1). nasutus) not of Fabricius, 1804). 



1825. — Passerita Gray, Ann. Philos, (n. s.) vol. 10, 

 p. 208 (substitute for Dryinus Merrem, preoccupied). 



1826. — Dryophis Fitzinger, Neue Glass. Rept., p. 30 (sub- 

 stitute for Dryinus Merrem, preoccupied); Dalman, Arsber. 

 Zool. Arbet. 1827, p. 48. 



1830. — Tragops Wagler, Nat. Syst. Amph., p. 184 (type, 

 Dryophis prasina, designated by Fitzinger, 1843). 



1843. — Eerpetotragus Fitzinger, Syst. Rept., p. 27 

 (type, Dryophis nasuta). 



184-8. — Dystyches Gistel, Naturg. Thierr., p.xi (substi- 

 tute for Tragops Wagler). 



1860. — Tropidococcyx Günther, Ann. Mag. Nat. Hist, 

 (3) vol. 6, (p. 428) (type, T. perroteti). 



1886 — Gephyrinus Cope, Proc. Amer. Philos. Soc, vol. 

 23, p. 492 (type, Dryophis fronticinctus Günther). 



1898. — Dryopsis Lith de Jeude, Mus. Pays-Bas, vol. 10, 

 pt. 2, p. 38 (err. typogr.). 



In the Lumholtz collection there aie two specimens of 

 Passerita prasina, one adult with 15 scale rows, 218 ventrals, 

 2 anals, 169 subcaudals, 8 supralabials on one side and 9 on 

 the other, 1 -|- 2 oculars, and 2 -|- 2 temporals on one side and 

 2 -f- 3 on the other. The young one differs in having 228 ven- 

 trals, 1 anal, 195 subcaudals, and 9 supralabials on both sides 



Nyt Mag. f. Naturv. LX. 1922. 6 



