536 APID.5. 



b'-. Anterior and intermediate tibiae 



and tarsi with black pubescence . X. pictifrons, p. 538. 

 b'. Wings fuscous, purplish at base, with 

 reddish coppery ettulgeuce, turning 

 to metallic green at apex. 



a^. Length 20-21 mm X. auripennis, p. 638, 



b^. Length 25-27 mm A', dissimilis, p. 538. 



c'. Wing's fuscous with dull purple eti'ul- 

 gence throughout. 



a^. Length 21-22 mm X. fenestrata, p. 539. 



b'. Length 12-14 mm X. amethystina, p. 540. 



iV . Wings fuscous, deep metallic blue at 

 base, then metallic green followed 

 by deep rosy coppery red at apex . . X. iridipennis, p. 540. 



B. With olive-yellow pubescence. 



«. Posterior ta.rsi only with brownish 



pubescence. Length 18-20 mm ' X. astiians, p. 540. 



b. All the legs with reddish-yellow pubes- 



cence. Length 19-22 mm X. verticalis, p. 541. 



c. Intermediate and posterior tibi.ie and 



tarsi With dark fuscous-brown pubes- 

 cence. Length 21-23 mm A', bryorum, p. 541. 



d. All the legs \n ith fuscous-brown pubes- 



cence, the anterior and intermediate 

 tibiae and tarsi fringed with pale pu- 

 bescence. Length 24-25 mm X. JIavonigrescens, p. 544. 



C. With black and white or black and ochre- 



ous pubescence. 



a. Face and front black, covered with dense 



white pubescence, fulvous on the 



clypeus A', basalis, p. 542. 



b. Face and front more or less yellow, with 



a little pale ochreous pubescence .... X. collaris, p. o43. 



D. With golden-brown pubescence X. r-ufescens, p. 543. 



E. W'ith blue and black pubescence X. cteridea, p. 544. 



938. Xylocopa latipes. (PI. IV, fig. 7.) 



Apis latipes, Drury, III. Exot. Ins. ii, pi. 48, fig. 2. 

 Xylocopa latipes, Fabr. Syst. Piez. p. 337; Smith, Cat. ii, p. 353; 

 Dull. Ton: Cat. x, p. 213. 



5 . Head, thorax, and abdomen punctured ; the clypeus, meso- 

 notum anteriorly, and abdomen most densely so ; front with two 

 deep sulcations from below the base of the auteunse to beyond the 

 posterior ocelli, the division between forming a marked ridge and 

 widening above to receive the anterior ocellus ; scape of the 

 antennae widened towards apex. Black, with black pubescence, 

 thick and velvety on the mesonotum anteriorly, and long and 

 tufted on the lateral margins of the abdominal segments ; the 

 pubescence on the posterior tibiae long, dense, and stiff ; wings 

 dark fuscous, with vivid coppery, green, and purple effulgence 

 changing as they catch the light. 



(S similar, the sulcations on the front smaller; the eyes very 

 large, meeting or nearly meeting on the vertex ; scape of the 

 antennae much broadened towards the apex; anterior tibiae and 



