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



643. ang'lica : anglicus, English. 



Genus — HYDROPROG'NE : hudor, water ; Proaie, 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. media : medius, middle. 



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



648. fronta'lis : frans, forehead. 



649. anaesthe'ta : anaisthetos, stupid. 



650. fuliglno'sa : fuligo, fuiiginis, soot. 



651. ner'eis : nereis, a Nereid 



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



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



Species 647. — Ckested Terx (^ 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. 



656. tenuiros'tris : tenuis, thin ; rostrum, bill. 



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



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



658. can'dida : candidus, white. 



Sub-family — LARI'N-E : laros, a ravenous sea-bird. 

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



659. novse-hollan'diae : novu-hoUandia, New Holland. 



Genus— GABIAN'US. 



660. pacif'icus : pacificus. Pacific. 



