NOTES ON PHILIPPINE MOSQUITOES-XI A NEW SPECIES OF Tripteroidesl

A number of adult mosquitoes representing several species-$% incidentally collected in northern Luzon during the joint expedition of Chicago Natural History Museum and the Philippine Museum of Natural History. In the collection was a new species of Trip-teroides. Though its larva and pupa are unknown, and the adult cannot be differentiated by external characters from several other species (in Group B) of Philippine Tripteroides, it is considered new owing to the striking peculiarities it bears in the male terminalia. As an appreciation of the splendid help rendered by Captain Harry Hoogstraal, U. S. Army, toward the rehabilitation of the Philippine Museum, this new species is named after him. Only those who have seen the Philippine Museum of Natural History before and after the war can fully understand why such help is so much appreciated. Nothing now remains of the museum but twisted steel and shattered concrete. After Mr. Hoogstraal was discharged from the army, he engaged in zoological collecting as director of the joint expeditions of Chicago Natural History Museum and the Philippine Museum. He has directed the expeditions i