2. H.3BMATOPU9. 



105 



Subfamily II. HiEMATOPODIN^. 

 2. KEMATOPUS. 



Type. 



Ostralega, Briss. Oni. v. p. 38 (1760) H. ostralegus. 



Hrematopus, Linn. Syst. Nat. i. p. 257 (1766) II. ostralegus. 



Melanibyx, Reichenb. Nat. Syst. Fog. p. xii (1852) .... II. tuoquini. 



Fig. 13. — Foot of Hcematopus ostrale- 

 gus to show reticulation of tarsus 

 and webbing of foot. 



Range. Almost cosmopolitan. 



Fig. 14. — Side view of tarsus of H. 

 ostralegus to show reticulation of 

 t\\e planta tarsi. 



Key to the species. 



a. With a white belly. 

 a'. Primaries -with white on the inner webs, forming 

 a white quill-lining. 

 a". With white alon>r the outer web of the fourth 

 quill adjoining the white shaft-mark ; some- 

 times the third and second quills similarly 

 marked ostralegus, p. 107. 



