Genus GELOCHELI'DON : gelos, laughter ; chelidon, swallow. 



643. ang'lica : anglicus, English. 



Genus HYDROPROG'NE : hudor, water ; Procne, daughter of Pandion, trans- 

 formed into a swallow. 



644. cas'pia : caspius, Caspian. 



Genus STER'NA : apparently based on E. tern (Cent. Diet.) 



645. dougall'i : Dougall, a proper name. 



646. me'dia : medius, middle. 



647. berg'ii : Berg, a proper name. 



648. fronta'lis : Irons, forehead. 



649. ansesthe'ta : anaisthetos, stupid. 



650. fuligino'sa : fuligo, fuliginis, soot. 



651. ner'eis : nereis, a Nereid 



652. sinen'sis : sinensis probably means " Chinese." 



653. melanau'chen : melas, melanos, black ; auchen, neck. 



* 



Species 647. CHESTED TERN (^ nat. size). 

 Winter and summer plumages. 



Genus PROCELSTER'NA : procella, storm ; sterna is apparently based on Eng. 

 tern (Cent. Diet.) 



654. ciner'ea : cinereus, ashy. 



Genus A'NOUS : anous, silly ; a, not ; nous, mind. 



655. stol'idus : stolidus, stupid. 



Genus MIC'R ANOUS : mikros, small ; anous, silly. 

 65fi. tenuiros'tris : tennis, thin ; rostrum, bill. 



657. leucocapil'lus : leukos, white ; capillus, hair of the head. 



Genus GY'GIS : guges, a water-bird. 



658. can'dida : candidus, white. 



Sub-family LAEJ'NJE : laros, a ravenous sea-bird. 

 Genus LAR'US : laros, a ravenous sea-bird. 



659. novae-hollan'diae : nova-hollandia, New Holland. 



Genus GABIAN'US. 



660. pacif'icus : pacificus, Pacific. 



