ERRATA. 



Vol. IV., p. 27 — fourth line from bottom, for "Coluber" read 

 " Helicops." 

 " 38 — eighth hne from top, for " the" read " this.-' 



64 — fourth line from top, for " lateral" read " labial." 

 " 64 — ninth line from bottom, for " are" read " is." 



" 74 — fourth line from bottom, for •' PhaneroyglosscE" 



read " Phaneroglossce." 

 " 116 — eighth line from top, for " unusual" read "usual.\ 



SYNONYM ES. 



Leptophis asstivus, p. 17, for Plate 57 read Plate 47, Catesby. 

 Leptophis sauritus, p. 21, for page 39 read page 59, Fitzinger. 

 Tropidonotus ordinatus, p. 45, for page 38 read page 58, Fitzinger. 



