424 





a 



44- Diver. 



37- 



Cslymhus. J$. 



45. Gull. 



33. 



Larus. 76. 



46. Tern. 



39' 



Sterna, yy. 



47. Skimmer, 



40. 



Rynchops. 78. 



r d sg 



The bill is ftraight, ftrong, and pointed,. 



the edges of the mandibles bending 



inwards ; the legs are fettered. 

 The under part of the lower mandible, 



near the point of the bill, is prominent. 

 The bill is ftraight, flender, pointed, and. 



flattened laterally at the end.. 

 The upper mandible is fhorter than the. 



under one. 



IV. PINNATIPEDES, or FIN-FOOTED BIRDS. 



48. Phalarope.. 



49. Coot. 



50. Grebe.. 



Phalaropus. 

 56. Fulica. 91* 



"Bodiccps. 



The bill is ftraight and flender. 



The bill is ftrong, thick, conical, and' 

 fomewhat flattened at the fides ; the. 

 front is compofed of the bafe of the 

 bill, and is naked. 



The bill is long, flender, and fharp point- 

 ed j the feet are fettered j. the tail v&- 

 wanting. 



V. G R A L L .£, or W A D E R S. 



51. Spoonbill. 42. Plataka, 80. 



52. Screamer. 

 51* Jabirou. 



55. Umbre. 



56. Heron. 

 $7. Ibis. 



43. Balamedea. 81. 



44. Myderia. 82. 



54. Boat-bill. 45. Cancroma. 83. 



46. Scopus,. 



47. Ardea. 84.. 



48. Tantalus. 85. 



The bill is long, broad, flat, thin, andi 



much widened at the end. 

 The bill is fharp, and hooked at the end. 

 The bill is long, large, and bent upwards ; 



the upper mandible thicker, and trian- 

 gular. 

 The bill is broad, and flat, having a ridge. 



along the middle like the keel of a re- 



verfed boat. 

 The bill is thick, flattened at the fides, 



blunt, and ridged. 

 The bill is long, ftrong, ftraight, and 



fharpifh. 

 The bill is crooked ; the face naked ; and 



the chin is furnifhed with a bag. 



59' 



