XXIV. SYNOPSIS. 



Gen. 60. STREPSILAS. Bill moderate, strong, straight, 

 forming an elongated cone, tapering gradually to the point, 

 which is hard and rather blunt; ridge slightly depressed: 

 nostrils basal, lateral, pervious, partly covered by a mem- 

 brane: legs naked a little above the heel; tarsi moderate; 

 toes three before and one behind; front toes connected at 

 the base by a short membrane; hind toe articulated high up 

 the tarsus, and only touching the ground at the tip : wings 

 long, acuminated; first quill longest. 



S. collaris, Temm. - - \. 2, p. 25-27 



Gen. 61. GRUS. Bill a little longer than the head, 

 strong, straight, compressed and pointed ; base of the upper 

 mandible deeply channelled; culmen raised: nostrils per- 

 vious, placed longitudinally in a groove about the middle of 

 the bill, closed behind by a membrane; head more or less 

 naked: legs long, strong; a considerable part of the tibia 

 naked; three toes in front; the middle and outer one united 

 by a membrane; hind toe articulated high up the tarsus: 

 wings moderate; third quill longest. 



G. cinerea, Bechst. v. 2, p. 29 



Gen. 62. CICONIA. Bill longer than the head, straight, 

 strong, cylindrical, forming a lengthened cone; upper man- 

 dible convex above; lower mandible inclining a little up- 

 wards at the tip: nostrils nearly basal, longitudinally placed 

 in the horny substance of the bill: eyes surrounded by a 

 naked skin: a considerable part of the tibia naked; tarsi 

 long; three toes before, united by a membrane, as far as the 

 second joint; hind toe articulated on the same plane with 

 the front toes; claws short, depressed, not pectinated: wings 

 rather long; third, fourth, and fifth quills longest. 



C. alba, Belon. - v. 2, p. 32 



C. nigra, Belon. 



Gen. 63. ARDEA. Bill as long as, or a little longer 

 than the head, strong, straight, compressed, forming an 



