La liste que nous publions ici comprend toutes les espèces de Champignons envoyées au Laboratoire de Cryptogamie du Muséum d'Histoire Naturelle, par M. R. Decary en 1923 et en 1924. Ces espèces ont été recueillies soit dans la région de Maromandia, soit aux environs de Tananarive. Grâce aux soins apportés dans la récolte des spécimens, aux notes manuscrites et aux dessins accompagnant les échantillons, nous avons' pu indiquer un nombre relativement élevé de ces Agarics charnus qui, d'ordinaire, sont négligés dans les travaux de ce genre. Outre d'assez nombreuses nouveautés, nous devons attirer l'attention sur quelques formes à distribution géographique curieuse : Ganoderna pernanum, appartenant à un type connu seulement d'Amérique centrale, du Congo et des Philippines, Gàlera Besseyi d'une région restreinte des Etats-Unis, Gyrophragmium Delilei de la région méditerranéenne, etc. ......
The world-wide damage caused by the larvae of various lamellicorn beetles to sugar-cane, cassava, pasture land, root crops, and miscellaneous economic trees and plants, has engaged the undivided attention of many scientists during the last thirty years or more. The "White Grub" question in America, the notorious Cockchafer or "May Bug" in Europe, and the formidable "Grub Pest" of Australian cane-fields, constitute exceedingly complex problems which have for many years defied the efforts of entomologists, and at the present time, although partially solved, cock chafer beetles still continue to be responsible for tremendous financial losses. I t is interesting to note that the destructive species in each of these three examples are classed amongst the Melolonthinae, most of the grubs of which subfamily, in addition to their habit of ingesting soil and extracting from it organic matter, also devour living roots and the growing vegetable tissue of harder underground portions of plants. While the· majority of Queensland cane-beetles (including our most destructive) belong to the M elolonthinae; the subfamily Rutelinae. is also represented in our cane-fields by two species, both of which, however, happen to be of minor importance. In the present article it is my intention to deal with six of our northern scarabaeid beetles, all of which are common at times under cane-stools, and inflict damage of a more or less serious nature to the setts, roots, and subterranean basal portions of growing cane-sticks....
