1921] Alexander: Japanese Crane-Flies. II aly 
Ormosia Rondani. 
Ormosia nantaisana sp. n. 
General coloration light gray; mesonotal praescutum with a median 
brown stripe; halteres golden-yellow; wings brownish gray, stigma and 
wing-tip darkened; cell 1st M2 closed, m short, Anal veins convergent; 
male hypopygium with the inner pleural appendage stout, subclavate, 
the apex set with microscopic black points. 
Male—Length, 6 mm.; wing, 7.38 mm. 
Rostrum and palpi dark brown. Antenne with the scapal segments 
dark brown, the remainder broken. Head light gray, the vertex 
provided with numerous sete, those of the disk yellow, the lateral 
bristles longer, dark brown. 
Pronotum dark gray, provided with very long and conspicuous 
yellow setae. Mesonotal praescutum light gray with a broad, indistinct, 
brown median stripe; lateral stripes indistinct; pseudosutural foveze 
conspicuous, elongate, black; remainder of mesonotum gray pruinose. 
Pleura clear light gray, provided with groups of long yellow setz on 
the mesepisternum and on the mesosternum. MHalteres golden-yellow. 
Legs with the coxee dark, sparsely pruinose, provided with conspicuous 
yellow setz; trochanters dull yellow; remainder of the legs broken. 
Wings with a brownish gray tinge; stigma darker brown; wing-tip and 
the cord narrowly margined with brown; veins dark brown, Sc yellow. 
Venation: Sc longer than Rs; Ro:3 a little longer than the basal deflection 
of Cm; r on Re shortly beyond its origin; cell 1s¢ Ms closed; m short, 
between one-third and one-fourth the outer deflection of M3; basal 
deflection of Cm slightly sinuous, beyond the fork of M; Anal veins 
strongly convergent. 
Abdomen dark brown with conspicuous yellow sete. Male hypo- 
pygium stout; two pleural appendages, inner appendage subclavate, the 
tip truncated, densely set with microscopic blackened points; outer 
appendage a slender flattened yellow blade, the apex subacute. 
Habitat: Japan. Holotype, o, Nantaisan, August 16, 
1909. Type in the Collection of the Paris Museum. 
Ormosia takeuchii sp. n. 
Related to O. takahashii; general coloration pale brownish testaceous; 
thoracic pleura and abdomen darker; wings pale gray; cell 1st Mz open 
by the atrophy of the outer deflection of M3; Anal veins convergent; 
male hypopygium with the outer gonapophyses simple. 
Male—Length about 4 mm.; wing, 4.83 mm. Female—Length 
about 3.8 mm.; wing, 4.4 mm. 
Rostrum and palpi dark brown. Antenne short in both sexes, pale 
brownish testaceous; flagellar segments with a conspicuous pale pubes- 
cence. Head pale with abundant yellow sete. 
Mesonotal praescutum pale brownish testaceous, unmarked with 
darker, the interspaces with conspicuous erect yellow sete, lateral 
margins paler; remainder of the mesonotum brownish testaceous. 
