Systematic Arrangement of Vertehrated Animals. 271 



piano intervallo distantes : alee remigibus primariis novem, primis 

 quatuor subseqvialibus. 



85. Pytilince. Rostrum breve, crassum, subtrigonum, utrinque subemar- 



ginatum: angulus frontalis angustus, acutus, valde intrans : nares 

 approxirnatse carina tantum interjecta : alee remigibus primariis no- 

 vem, primis quatuor subsequalibus. 



86. Phytotomince. Rostrum breve, marginibus serratis ; maxilla profunda, 



culmine arcuato ; mandibula tenuis : nares piano intervallo distan- 

 tes : pedes breves, validi, digitis duobus vel tribus anticis, uno pos- 

 tico : remiges primariae novem. 



29. CoLiD^. Rostrum breve, integrum ; maxilla ad basim dilatata, convex- 



issima, culmine el evato, arcuato : pedes robusti ; digiti fissi, omnes 

 antrorsum versi ! 



87. Colince. Nares nudse : alse breves, acutse : cauda longa, cuneata : 

 plumse mollissimae. 



30. BucERONTiD^. Rostrum enorme, inane, variatim appendiculatum, valde 



compressum, mandibula utraque incurva, marginibus integris : pedes 

 magni, digitis externis ultra medium concretis. 



88. Bucerontinoe. Digiti laterales insequales ; medius longitudine tarsi ; 

 pollex omnium brevissimus : alse breviculse, rotundatse : cauda lon- 

 gicula, rectricibus rotundatis, ad basim angustis. 



** Tribus II. Scansores. Digiti bini antici, biniqiie postici. 



31. Ramphastidid^. Rostrum im mane, vacuum, marginibus serratis: digiti 



externi internis longiores, bini antici non ultra medium fissi : alae 

 breves, rotundatse, tectricibus magnis. 



89. Ramphastidince. Lingua penniformis : scuta tarsi sex : alse breves, 



rotundatse. 



32. PiciD^. Rostrum rectum, polyedrum, apice cuneato : lingua lumbrici- 



formis : digiti antici ad basim connati : tectrices alarum breves. 



90. Picinoe. Rectrices rigidse, acuminatse. 



91. Yungime. Rectrices moUes, rotundatse. 



33. BuccoNiD^. Rostrum rectum, conico-compressum, robustum, ad basim 



crassum, setis elongatis circumsessum : pedes grandiculi : digiti ex- 

 voii. XVIII. 2 o 



