BIRDS OP NORTH AND MIDDLE AMERICA 



193 



Jonocicca Saivadobi, Ann. Mus. Olv. Stor. Nat. Genoa, ser. 2, iii, 1886, 236. 

 (Type, by original designation and monotypy, Porphyrio alleni Thompson.) 

 lonooicca (emendation) Sclateb and Saundebs, Ibis, 1887, 358. 



Gallinulae with nasal fossa indistinct, the nostril relatively broad 

 and short ; tarsus much longer than outer toe without claw ; toe with- 

 out a distinct lateral membrane, except along inner side; inner toe 

 without claw, not reaching beyond subterminal articulation of mid- 

 dle toe ; hallux without claw, as long as basal phalanx of middle toe, 

 and coloration (of adults) mainly green, blue, and purplish. 



Figure 13. — Porphyrula mariinica. 



Bill about as long as head, its depth at base equal to a little less than 

 half the length of culmen (from base of frontal shield) , and equal to 

 about one and a half times its width at same point; culmen (from base 

 of frontal shield) nearly straight for basal half though faintly de- 

 pressed above nostril, gently but distinctly decurved for distal half; 

 gonys a little shorter than mandibular rami, decidedly less than half 

 as long as cuhnen, nearly if not quite straight, ascending terminally, 



