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 May, t9ot [ THE CONDOR 77 in July, and one immature male and two immature females from Clipperton Is- land in November. We are indebted te Mr. R. C. McGregor for the loan of an immature male of ,ricranous hawaiiensis, and to Mr. Wm. Alauson Bryan for an adult nlale of the same species from the Bernice Pauahi Bishop Museum of Honolulu. MEASUREMENTS OF ri1"(llOgtS diamesus. L.S.J.U. Sex Length Wing Tail Culmen Depth of Mrxilla Gonys Tarsus Middle I,ocality Mus. No. Bill at from Toe Base Nostril 5079 ad  388 224 I3O 45.3 8.7 33 3 21'5 28'3 Cocos Island 5o5 " Q 360 24 t t3t 43. 8.3 32 28 2I. 26.5 " 5205 " Q 372 233 t3o 43.5 9. 3I 28 20. 26.7 " 5tII " Q 356 223 I2I 43. 8.7 3t.5 29 21. 25. 7 " 5026 "  370 23I t29 43.5 8. 32. 3  21. 26. 5 " Averages 369 230 t28 43.6 8.4 32 . 29 2I. 26. 9 " 5249 im  233 I23 43.5 9' 3 I. 28 2t. 27. 5036 "  23  I2o 45.5 8.3 31.5 3  2I. 29.5 3825 "  360 223 I2I 44. 8.7 31.5 28 20. 5 27. Clipperton Id 38i 9 "  368 225 121 43.5 8.5 32. 3  2I. 27. 5.1EASUREMENTS OF Jl[icranous hazvaiiensis. ad ( 382 225 125 38.5 8. 28. 28 21. 5 24. Hawaiian Ids iln ( 21o 118 38. 7.5 25. 25 20. 24. Two Years With Mexican Birds. II. In the Haunts the Tr000n. BY E. H. ARLY one morning I took a heavy machete and a revolver, the machete to cut my way through the heavy underbrush and tangled hanging vines, and the revolver because a gun is carried with difficulty in the woods where one has to do as much crawling as walking. Collecting in the tropics is not exactly easy, taking mosquitos, temperature and a few other pleasant things into consideration. Well, I started out; the morning was lovely, a trifle warm to be sure for there was not a cloud in sight and not a breath of air stirring. The way to the woods lay through the cafetal where Gray's Robin (/kferda ffra)), the mcst beautiful of Mexican songsters, was everywhere present, filling the air with its merry song, and Giraud's Flycatcher (ffyozeleles /exertsis) were squabbling in different parts of the plantation. We are soon in the woods, however, where the birds are more sedate. Tom cans, motmots and trogons are the inter- esting birds, on account of their plum- age I Suppose, for they do little but sit in the shade and meditate. The tr'ogon family, including several species, are the lovliest birds to be found in Central America. They are graceful in form, retiring in habits, and for diversity and br-ightness of plumage are not equalled by any other birds of their range. Trogons are found over all the coun- try but more particularly in the high- lands where their pleasant note can be heard at any time in the woods, and. where they usually remain, rarely ven- turing into the open because their slow flight would make them an easy prey to the raptores. Trqon califfalus, the commonest variety in the vicinity of the plantation, is a model. representa- tive of his genus, with his bright change- able colors. The remarkable point about him is the smallness and weak- ness of his tarsi and toes, which would scarcely answer for a 'sparrow. I had not taken any eggs of this species up to the time of the present trip and knew practically nothing of