3PS Mr. H. Druce on 



JJab. W. Africa, Bitje, Ja Eiver, Cameroons, 2000 feet, 

 wet season (G. L. Bates, Mus. Druce). 



Allied to M. collaris, Moeschl., and M.brunneidorsa,13.oU. } 

 but very distinct. 



Fam. GeometridaB. 



Pitthea flavimargo, sp. n. 



Male. — Head, antenna?, palpi, tegulse, and thorax black ; 

 front of the head and collar white; abdomen above bright 

 glossy blue ; underside of the thorax and abdomen chrome- 

 yellow ; legs black. Primaries black, partly crossed near 

 the apex by a narrow semihyaline white streak ; the base of 

 the wing broadly semihyaline white, shot with metallic blue 

 at the base : secondaries bright metallic blue, broadly bordered 

 with black; a wide semihyaline white band extends from the 

 middle of the costal margin to the end of the cell, where it 

 comes to a point. Underside : primaries very similar to the 

 upperside, but shaded with brown along the costal margin 

 and at the apex : secondaries chrome-yellow, the semihyaline 

 white band the same as above, but edged with black ; the 

 outer margin from the apex to the anal angle edged with 

 black. 



Expanse 1^ inch. 



JJab. W. Africa, Bitje, Ja River, Cameroons, 2000 feet, 

 dry season [G. L. Pates, Mus. Druce). 



Pitthea eximia, sp. n. 



Male. — Head, antenna?, palpi, tegulae, and thorax black ; 

 collar dark orange ; front of bead white ; abdomen bright 

 metallic blue; underside of the thorax and abdomen dark 

 orange; legs bluish black. Primaries black, glossed with 

 bright blue, the base and a small band near the apex white : 

 secondaries white, broadly bordered with black at the apex 

 and anal angle, the white and black glossed with blue. 

 Underside similar to the upperside, the costal margin and the 

 apex of the primaries and the apex of the secondaries shaded 

 with yellowish brown ; the fringes of both wings black. 



Expanse If inch. 



JJab. W. Africa, Bitje, Ja River, Cameroons, 2000 feet, 

 dry season (6r. L. Bates, Mus. Bruce). 



Pitthea fuliginosa, sp. n. 

 Male. — Head, antenna', collar, tegulae, and thorax black ; 



