INDEX 293 



PAGE 



OliiiRo 159 



biishy-tailcd 156 



Costa Rican hnshy-tailed 2M, 32 



Panama biisliy-tailed 28, 39, 157 



Oncostoma olivaceum 30 



Opossum 44 



Allen's 27 



Batty's 27, 34 



brown 27, 32, 53 



Derby's woolly 27, 32, 54 



Eten 27, 45 



insular woolly 27, 34, 55 



pale woolly 27, 34, 37, 54 



Panama water 27, 32, 45 



San Miguel Island 27, 34, 47 



woolly 244 



Oreopeleia chiriquensis ■^.^) 



goldmani 39 



violacca albiventris z9, 32 



Orcopyga castancovcntris castaneoventris 39 



Oreothlypis gutturalis 40 



Oriole, Salvin's 3i, 33 



Orolestcs 44 



Orsted, Andreas Sandra .15 



Ortalis cinereiceps ?9 



Orycthanthus ligustrinus \t, 



occidentalis j 5 



Oryzomys 86, 89, 95, 96, 104 



al f aroi al f aroi 39, 43, 97 



alfaroi dariensis 27, 32, 43, 97, 98, 240 



bombycinus 239 



bombycinus bombycinus 27, 2^2, 43, 98 



caliginosus chrysomelas 28, 35, 37, 43, 103, 104 



caliginosus columbianus 103 



caliginosus idoneus 28, 32, 43, loi, 103, 236 239 



carrikeri 1 98 



chp-riex 94 



. nrysomclas lo.) 



costaricensis 102 



devius 25, 39, 43, 99, ux>, 238 



flavicans loi 



flavicans illectus lOi 



frontalis 239 



fulvcscens costaricensis 28, 35, 37, 43, I03 



fulvescens fulvescens 102 



fulvescens vegetus 39, 43. 102, 238 



gatunensis 27, 32, 43, 97, 239 



idoneus 103, 239 



maculiventer 100 



