OiV VARIATION. 



43 



first at the posterior part of the dorsal region (i. e., the 

 sacral and lumbar). The confluence of the spots ap- 



/ 





J 





« # ##«^ak» 





a 



"a 



■-J 



I 



BE 



I pears there first ; and finally (C gularis setnifasciaius), 

 where the color markings disappear, leaving a uniform 

 hue, this also appears first at the posterior part of the 



