1908.] NATURAL SCIENCES OF PHILADELPHIA. 121 



Helicops Wagler (S3-st. Amph., 170, 1830). 



Type Helicops carinicaudatus Wagl. B}^ designation of Fitzinger 

 {Syst. RepL, 25, 1843). 



> Liodytes Cope (1885). T\-pe Helicops alleni Garm. 

 Amphiardis Cope (Proc. U. S. Nat. Mus., 1888, p. 391). 



Type Virginia inornata Garm. By original designation. 



Haldea B. and G. (Cat. No. Am. Serp., 122, 1853). 



Type Coluber striatula Linn. By original designation. 



Storeria B. and G. (Cat. No. Am. Serp., 135, 1853). 



Type Tropidonotus dekayi Holb. By original designation. 

 = Ischnognathus Dum. and Bib. (1853). Same type. 

 DrymarcllOll Fitzinger (Syst Kept., 26, 1843). 



T3'pe Coluber corais Daudin. By original designation. 



< Spiloies ^^'agle^ (1830). Type S. pullatus. 



= Compsosoma Cope (1895). No tj^pe. = Compsosoma Dum. and Bib. part. 

 = Georgia B. and G. (1853). Type Coluber couperi Holb. 



Drymobius Fitzinger (Syst. Kept., 26, 1843). 



Type Herpetodryas margaritiferus Schl. By original designation. 



Callopeltis (Fitz.) Bonap. (Icon. Fauna Ital., Vol. II, and Mem. Acad. Torino (2), 11,401, 1840). 



Type Coluber leopardinus. By original designation of Fitzinger. 



= Coluber auctores. 



> Scofophis B. and G. (1853). Tjqje Coluber allegheniensis Holb. 

 = Xatrix Laur. (Cope, 1862). Not Cope, 1888. 



Arizona Kenn. (U. S. Mex. Bound. Surv., 18, 1859). 



Monot3'pe Arizona elegans Kenn. 



< Rhinechis^licah. (1833). Type Rhinechis scalaris. 

 Pityophis Holbrook (No. Am. Herp., IV, 7, 1842). 



Monotype Coluber melanoleu^us Daudin. 



Coluber Linn (Syst. Nat. Ed., X, 216, 1758). 



Type Coluber constrictor Linn. By designation of Fitzinger {Syst. 

 RepL, 26, 1843). 



= Zamenis 'SXagler (1830). Type Xatrix gemonensis Laur. 



> Bascanium B. and G. (1853). Type Coluber constrictor Linn. 

 y>Masticophis B. and G. (1853). Type Coluber flagelhim Shaw. 



ITnder the new Rule 30 we are no longer bound to Laurenti's notion, 



as first reviser, of the Umits of Coluber and are therefore freed from the 



consideration of Dr. Stejneger's proposal {Herp. of Japan, pp. 307, 



443, 1907) to transfer the name to the genus otherwise known as 



Vipera I^aur. — a change which would have been serious in view of all 



the connotations of the word "coluber." The present shifting of the 



term to replace Bascanium, following Fitzinger's selection of a type, 



