470 [June 



base; antennae black above, tbe scape beneath as well as the three or 

 four basal joints of the flagelluni beneath, yellowish-white, sometimes 

 the apical joints of the latter are obscurely annulated with yellowish. 

 Thorax : a narrow line on the posterior margin of the prothcrax, some- 

 times interrupted, the tubercles, an oblique spot on each side of the 

 scutellum, and a line on postscutellum, yellowish-white, sometimes the 

 tegulae has a white spot before ; metathorax immaculate. Wings hya- 

 line, faintly tinged with fuliginous ; nervures fuscous. Legs yellow ; 

 coxae, except a spot on the two anterior pairs beneath, the trochanters, 

 the anterior femora except the anterior edge and a line beneath at base, 

 and the four posterior femora, except the tips in front, black; tips of 

 tarsi dusky. Abdomen shining, elongate, subparallel ; basal segment 

 with an elongate, oblique whitish mark on each lateral middle, and two 

 small, approximate, oblique spots of the same color on the posterior 

 middle ; the secoud and three following segments each with a rather 

 narrow, wavy whitish fascia on the apical submargin, that on the second 

 segment produced on each side anteriorly into an obtuse tooth pointing 

 inwardly ; apical segment with a subcordate or bilobed spot at tip ; 

 beneath, the second and three following segments have a greenish-white 

 spot on each extreme side, largest on the second and third segments, 

 on which they are connected by a very narrow line along the apical 

 margins; apical segment with two spots at tip. Length 62 — 1\ lines; 

 expanse of wings 10 — 12 lines. 



Three specimens. Distinguished from the preceding species by the 

 narrower wings, and the narrow, undulate fasciae of the abdomen. 



3. Monedula speciosa. n. sp. 



Yellowish-white: vertex, most of mesothorax, large spot on pleura beneath, 

 and deep emarginations at base of abdominal segment, black; mesothorax 

 with a U-shaped mark on its disk; wings hyaline; legs yellow. 



Female. — Head yellowish-white, clothed with pale yellowish pubes- 

 cence, more dense on the vertex ; two black cuneiform marks behind 

 the antennae, divided by a narrow yellowish line which connects with a 

 transverse yellowish spot across the vertex on the posterior middle of 

 which is a large black deeply impressed puncture ; rest of vertex and 

 most of the occiput, black ; clypeus prominent; scape of antennae en- 

 tirely yellow, the flagellum black above, the two basal joints beneath 

 yellow, the rest testaceous, shading into brown at tip. Thorax yellow- 

 ish-white ; tip of prothorax irregularly black ; mesothorax black, with 

 the lateral margins and a large U-shaped mark on its disk, yellowish- 

 white ; two large, rounded, confluent spots on the pleura beneath, a 

 transverse spot just above the tubercles, basal and apical margins of 



