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Nova Acta Academie Nature Curiosorum. 373 
out his system. It should be observed that to each of his divisions he- 
usually gives two distinguishing names, the one functional and the other 
structural, In order to avoid giving up too much of our space to a mere 
catalogue of hard words, we quote one only, and the former in prefer- 
ence to the latter. 
Series I. HYGRORNITHES. 
Tribe I. HaticoLymst. 
Fam. 1. Orthocolymbi, (Colymbus, L.) 
2. Dyserete, (Alca, L., Uria, Briss.) 
——3. Erete, (Aptenodytes, Forst.) 
Tribe I]. HALIPTENt. 
Fam. 4, Colymbopteni, (Pelecanide, Leach.) 
— 5. Plotopteni, (Laride, Leach.) 
— 6. Colymboploteres, (Mergus, L.) 
Tribe III. PLOTEREs. 
Fam. 7. Tachyploteres, (4nas, Meyer.) 
8. Orthoploteres, (Anser, Meyer.) 
— 9. Baryploteres, (Cygnus, Meyer.) 
¥ 
Series II. XERORNITHES. 
Tribe I. CHOROPTENT. 
Fam. 10. Dromochoropteni, (Otis, L., Charadriade, Leach, Or- 
tygis, Ill.) 
—— 11. Baterochoropteni, ( Tetraonid@, Leach, Phasianide, 
Vig., Cracide, Vig.) 
12. Herpochoropteni, (Columba, L.) 
Tribe II. HyLoprent. 
Sect. I. HyLocHASMOPTENI. 
Fam. 13. Hylochasmopteni, (Caprimulgus, L., Steatornis, Humb., 
Cypselus, Ill., Hirundo, L., Muscicapa, L., Edolius, Cuv., Platy- 
rhynchus, Desm., Trogon, L.) 
Sect, I], HyLocLAsMoPTeEntl. 
Fam. 14. Orthaepyrhynchi, (Fringilla, L., Emberiza, L., Bu- 
phaga, L., Phytotoma, Mol.) 
15. Simaepyrhynchi, (Glaucopis, Gmel., Tanagra, L., 
VoL, V. BB 
