White-nosed coatis ( " Nasua narica " ) in Panama take the menthol-scented resin from freshly scraped bark of " Trattinnickia aspera " ( Burseraceae ) and vigorously rub it into their own fur or that of other coatis, possibly to kill ectoparasites such as fleas, ticks, and lice, as well as biting insects such as mosquitoes; the resin contains triterpenes ?-and ?-amyrin, the eudesmane derivative ?-selinene, and the sesquiterpene lactone 8?-hydroxyasterolide.
32.
His work includes the investigation on the parts associated with Oxalidaceae, Rutaceae, Burseraceae, Hamamelidaceae, Haloragaceae, Callitrichaceae, Rhizophoraceae, Mehistomaceae and Crypteroniaceae in " Flore g�n�rale de l'Indo-Chine " ( Flowers of Indo-China; 1910, 1911, 1912, 1920, 1921 ), " Arbres et arbrisseaux utiles ou ornementaux " ( Useful and Ornamental Trees and Shrubs; 1928 ) and " Les Fleurs de jardins " ( The Flowers for Gardens; 4 volumes, 1929 to 1936 ).
