44 ELODITES. 



8. The neck is long, covered with a loose skin, and is often furnished with 



barbels or small warts. 



9. The tail varies much in lengtii. 



10. The extremities are depressed vertically; there are five fingers, and as many 

 toes more or less palmated; and in general five nails before and five behind; 

 sometimes five to each extremity, (Pentonyx;) at others only four, (Tetronyx.) 



Dumeril and Bibron subdivide this family into fourteen genera, one of which 

 (Cistuda) I have thought best to refer to Chersites; the remaining genera include 

 about eighty species. 



