AVES. 



III 



OssA : tt. Brachii I elongatum. fl. Cubiti i clongafa. y. 

 Carpi 2 breviffima. S- Metacarpi z connexa mediocria. 

 Digiti 2 attcnuata, altero majore biarticulato , compieiTo; al- 

 tero minuto. PoLiicis vero i minutum, infidens bafr ae-^ 

 teriori metacarpi , raro fpina evadens ( Parris , Charadrio , 

 Struthioni) adjacente fpina fetacea. 



Remiges Primores X: quorum i ^ — 4 Di^iti, 5- — 10 Me- 

 tacarpij; Secundarii i© — 20 f. 28 Cubid , nulli vero 

 Brachii; at Alula fpuria pennis 3^5" PoUici infidet. 



PEDES ex Fcmore, Tibia, Digitis, Ungulbus ; 



Femora cx OfTe Femoris, Crurisque binis altero fetaceo, car- 

 nofa, pcnnis teda, prasterqiiam cruribus denudatis in vadanti^ 

 bus Grallis; ceterum plerisque sequilibrio fuppofita, nifi in 

 Compedibus ambulare nefciis, quibus intra commune abdomi- 

 nis tegmen recondita (Alcis, Golymbis); noimuUis ArmilU 

 fupra genua cingunt coloratx. 



TiBi/E ex Olfe Tarfi elongato, macres, anguftae, tendinofas, 

 nudx, rariusve villofa plumofceve, paucis poftice Spina cal- 

 caratte^ imprimis mafculis. 



DiGiTi e Metatarfi phalangibus, plerumque IV, quorum unus 

 pollicus breviorque , intermedius anterior vero longior , fecl 

 Scanforiis digiti antici 2 , pofticique 2 ; C^oforia vero poftico 

 dcftituuntur tridaSiyU (Charadrius, HiDmatopus, Otis, Cafua- 

 rius) , rarifilmc diaa^ylis (Struthio Camelus). Sunt vcro Digirf 

 diftindi Fijfipedibus plerisque; vel intermedius adnatus laterali 

 Grejforiis; vel anteriores intcrtexti membrana integra Natato- 

 riis\ quac fifiTa in Lohatis\ vel bafi tantum intertexta Semipai- 

 matis vadantibus ; vel articulus membrauula marginali Pinnatis, 



Ungues acutl, quibusdam obtufi, paucis marginati, paucifiimis 

 muticis nuHi. 



UROPYGIUM fefiTile, cordatum, glandula gemina cauds brevi 

 adpofita tumidum, fupra pcrtufum Poro oleifero, cindo peni- 

 nicillo ; ambitu ,cillatum Rc6lricibus Caudas : 



Rectrices fxpc XII (i, 2, 3, 4, 5", 6, 6, 5-, 4, 3, 2, i,)-; plu- 

 res (18) Gailinis, pauciores (10) Picis (Pico, Certhice, Cu- 

 culo, Yungi, Bucero, Ramphafto, Trochilo). 



Cauda inde vel Pedibus brevior brachyura^ vel longior ma- 

 croura ; ex Re6iricibus aequalibus integra ; vel ad latera per . 

 gradus brevioribus cuneata.^ faut flateralibus longioribus forfi- 



cata ; 



