Systematic Arrangement qf Vertebrated Animals. 273 
pedes breves, vix scansorii, digitis anticis tribus membrana connexis, 
externo subversatili, pollice omnium minimo : alse breviculae. 
101. Musophagince. Cauda longa, rotundata, rectricibus latis decem. 
Ordo 4. COLUMB/E. 
39. Columbid-ZE. Rostrum breve, tenue, debile, fornicatum ; cuticula mollis, 
tumida, naribus imposita : pedes breves ; digiti subtus molles, sub- 
incrassati ; plumse corporis densse, rachide ad medium crassiore : 
plumse uropygii rigidulse. 
102. Columbinae. Digiti omnino fissi, parum divergentes : pedes parvuli, 
pollice insistente ; tarsi scutati : alse longiculse. 
103. Ptilophyrince. Digiti plica cutis ad basim juncti, valde divergentes: 
pedes validiculi, pollice subelevato ; tarsi reticulati : alse breves : 
cauda longa. 
Subclassis 2. GRALLATORES. 
Ordo 5. GALLINAE. 
40. PteroclidjE. Rostrum tenue : alse longse, acutse : cauda subelongata, 
acuta. 
104. Syrrhaptince. Digiti tres coadunati, solo apice distincti. 
105. PterocUnce. Digiti quatuor, anterioribus membrana connexis ad ba- 
sim. 
41. Penelopidje. Rostrum validum, durum: digiti a basi divergentes, mem- 
brana connexi ; ungues magni, compressi, acuti ; pollicis insistens 
major : alse breves : cauda elongata. 
106. Penelopince. Pedes elongati, crassi. 
42. PHAsiANimn. Rostrum subvalidum, prse naribus excisum : digiti antici 
membrana connexi ad basim ; pollex longiculus : alse breves, ro- 
tundatse : cauda producta. 
107. Pavoninae. Cauda in flabellum explicabilis, tectricibus productissi- 
mis. 
108. Phasianince. Cauda compressa, inexplicabilis. 
43. Tetraonid^e. Rostrum validum, continuo convexum, durum : digiti an- 
2 o 2 
