368 
ANSER. 
Bill longer tlian the head and strong ; the upper mandible curving gradually to 
the tip, which is rather acute, the angle on the lower mandible quite prominent; 
nostrils lateral and longitudinal; wings very long and pointed, first quill longest; 
tail long and graduated; tarsi rather short and slender; toes long and united by 
a full web; the hind toe long and slender; claws slender, arched and acute. 
. cinereus Gould, Proceed. Zool. 1845. Soc. XIII. 104. = Sterna cinerea Sciileg. 
frater Coues, Proceed, acad. Philadelphia 1862. = Sterna stolida L. 
fuscatus Gray, Genera Birds III. 661. — Sterna fvscata L. 
gracilis Gould, Proceed. Zool. Soc. 1845. XIII. 104. = Sterna cinerea Sghleg. 
Herminieri Lesson, descr. Mammif. Soc. 255. = Sterna Herminieri. 
inca Gray, Genera Birds III. 661. = Sterna inca Lesson. 
leucocapilla Gould, Proceed. Zool. Soc. 1845. XIII. 103. = Sterna tenui- 
rostris ÏEM. 
leucoceps Gray, Genera Birds III. 661. = Sterna stolida L. 
melanogenys Gray, Genera Birds III. Tb. 182. = Sterna tenuirostris Tem. 
melanops Gould, Proceed. Zool. Soc. 1845. XIII. 104. = Sterna tennui- 
rostris Tem. 
parvulus Gould, Proceed. Zool. Soc. 1845. XIII. 104. = Sterna cinerea Schleg. 
pileatus Gray, Genera Birds III. 661. = Sterna pileata Scop. 
Rousseaui Hartlaub, Ornith, Madagascar 86. = Sterna stolida L. 
senex Gray, Genera Birds III. 661. = Sterna tenuirostris Tem. 
stolidus Leach-Shaw, gener. Zool. XIII. 139. = Sterna stolida L. 
tenuirostris Leach. Shaw, gener. Zool. XIII. 139. = Sterna tenuirostris Tem. 
tephrodes Reichenbach, Schwimmvögel Novit, = Sterna cinerea Schleg. 
tereticoUis Lafrenaye, Magaz. Zool. 1841. Ois. Tb. 29. = Sterna cinerea Schlkg. 
unicolor Gray, Genera Birds III. 661. — Sterna stolida L. 
ANSER (Anatidae. — anser nom. Roman.). — Linné, Syst. Natur. I. 48. — 
Brisson, Ornithol. 1760. VI. — Schlegel, Pays-Bas Anseres. 
Synon.: Anas autor. — Chen Briss. — Chenalopex, Bernicla Steph. — Cygiiopsis 
Brdt. — Chluoëpliaga Eyton. — Cyanachen , Rufibrenta Bonap. 
Rostrum mediocre aut hreve, crassum, rectum, basi altius quam latum^ versus 
apicem depressum^ epidermide (ceromate) tectum, dertro et myxa distinctis, ungui- 
formibus, suborbiculatis , convexis, dertro apice deflexo obtuso; mandibula angustiore 
quam maxilla, gnathidiis ad myxam usque distantibus. Tomia lamellosodentata, 
lamellis abbreviatis, in denticulos conicos acutos contractis , maxillaria basi descen- 
dente ita sursum rétracta, ut gnathidiorum latera haud tegant. Nares laterales, 
membrayias s. ceromate communi tectae, apertura pone medium sita, elliptica, longi- 
tudinally patula, pervia. Lingua margine fimbriata. Pedes breves, congrui, fere 
aequilibres, palmati, tetradactyli, halluce distincte, digiti medii phalangem aequante, 
simplici, apice insistente. Digitus médius lateralibus, externus interno longior. Un- 
gues falculares. Tarsus digito medio paulo brevior. Podotheca reticulata, acrodac- 
tylis apice scutulatis. — 27 Specc. 
aegyptiaciis Brisson, Ornith. VL 284. Tb. 27. — Buffon, PI. enlum. 379. 
982. 983. — Schlegel, Mus. Pays-Bas Anseres 94. — Naumann, Naturg. 
Vögel Deutschlds. XI. 416. Tf. 294. [Africa. 
Anas aegyptiaca Linne. Gmelin, Syst. Natur. I. 512, 
Anas varia Bechstein, ornith. Taschb. II. 454. 
Chenalopex aegyptiacus Stephens, gener. Zool. XII. 42. 
Anser varius Mey^er, Taschb. Vögel II. 562. 
Tadorna aegyptiaca Boie, Oken's Isis 1826. 81. 
Bernicla aeyyptiacus Eyton, Vev. brit. Birds Tb. 65. 
Chenalopex varius Brehm, Naumannia 1856. 
Etal daz. — Nango. 
africamis Bonaterre, Encycl. méth. I. 118. 
Chenalopex africanus Gray, Genera Birds III. 603. 
albatus Cassin, Proceed, acad. Philadelphia 1856. VIII, 41. = Anser hyper- 
boreus Pall. 
