P. PEARSON 1950 2\frac{1}{2} km. E Villanueva, 1400ft, Huila, Colombia 3127 \delta Tyranneus mela. 3128 Frog. 3129 \delta Tyranneus mela. 3130 \delta Myiarchus albicollis testa 6\frac{1}{2} \times 4. mo molt skull adult. 38 gm- Broad patch dry scaly - No skin mo molt skull adult, no skin 41 gm. Broad patch dry, scaly. Testa 10 \times 4. testa 2\frac{1}{2} \times 1mm testa not saved. 27gm skull immature -> july 8. 3131 \delta Tolinostrum inaequale Dark-billed Vireo july 10 3132 \delta Coryphaspiza pileata 3133 \delta " crimson feathers, rest just shoots. moltting saved. 3134 \female " 3135 \female Crottophaga sulcirostris 16 km. NE Villanueva, 1600ft, Huila, Colombia testa 5 \times 3 skull immature. skull immature (about \frac{1}{2} mature) 17 gm- Testa 3 \times 1\frac{1}{2} not saved. no tail feathers, throat ruff and crown just sprouting. Only two testa 3\frac{1}{2} \times 2 mm Skull adult. sprouting feathers everywhere, every feat large with many bifidules more larger than \frac{1}{2} mm. 17 gm moltting saved. skull -> 76gm. mo molt except one sprouting tail feather egg in oviduct. 3136 \delta Coryphaspiza pileata 3137 \female " 3138 \female ?? testa 5 \times 4. Skull slightly more mature than 3134. 15gm. testa not saved, same skull as 3136 and 3138. Skull as 3136 16 gm. Ovary fairly large with follics up to 1mm. molt everywhere: bones not found, nothing 16gm. skull totally immature, saved. july 12 3139 \delta Marmosa mitis 3140 mouse testa 11 \times 6 >06\times 182\times 23\times 26 (skull only in ? cat? dropping) july 13 no emb. 270 \times 147 \times 17 \times 25 testa 4mm. 227 \times 129 \times 16 \times 20 no emb. 217 \times 122 \times 17 \times 19 skull only Testa 11 mm. [200] \times [88] auta 3141 \female Marmosa mitis 3142 \delta " 3143 \female " 3144 \male Oryz. Zygodontops lasiurus 3145 \delta Angotia ? Rhogeessa tumida Flying early among trees over tall weeds, 75 \times 30 \times 6 \times 13