Bees from the Uochy Mountain Region. 523 



facial quadrantjle broader than long; front and vertex 

 shining ; flagcllum beyond the first joint deep ferruginous 

 beneath ; clypeus densely puneturcd ; labrum densely covered 

 with very pale ochreous hair ; mandibles stout, with a large 

 orange subapical pateh ; mesothorax shining, with large 

 well-separated punetures posteriorly, and small closer ones 

 anteriorly; tcgulae very dark brown. Wings rather dusky, 

 nervures dark ; first recurrent nervure entering second sub- 

 marginal cell near the beginning of its last fourth. Legs 

 black, with the small joints of tarsi mainly ferruginous ; 

 pubescence of legs mainly pale, black on inner side of basal 

 joint of middle and hind tarsi, shining more or less orange 

 or reddish on inner side of anterior and middle tibi;e and 

 anteiior tarsi, grey on outer side of anterior tarsi ; scopa of 

 hind legs large, in the type full of orange pollen. Abdomen 

 shining; the first segment with the usual ochreous hair, the 

 second with basal and median hair-bands, the third Avith a 

 broad band, and the fourth with a broader one, covering its 

 apical margin, but giving way to some black basally ; these 

 abdominal bands all yellowish white ; the two apical segments 

 covered with purplish-black hair ; hair of venter grey-brown, 

 light at extreme sides. The absence of black hair on vertex 

 and thorax separates it from M. montana, confusa, grindelice, 

 &c. The black hair on inner side of hind tarsi separates it 

 from M. menuacha, gilensis, &c. 



Hab. Las Vegas, New Mexico, Aug. 11, 1899, at flowers 

 of Grindelia inornata, Greene; collected by Miss S. L. Mizc. 



Melissodes blakei, sp. n. 



? . — Length about 14- mm. 



The abdomen narrower, and with much narrower bands, 

 than that of M. Mizeoe ; vertex, occiput, and thoracic dorsum 

 with very pale ochreous pubescence, without any black ; 

 face, cheeks, and under part of thorax with white or nearly 

 white hair ; head broad, facial quadrangle broader than long ; 

 eyes pale grey with a faint greenish tinge ; flagellum, except at 

 base, deep chestnut-red beneath ; labrum covered with pale 

 greyish-brown {as if dirty) hair ; mandibles shining, apicall// 

 rather slender, with an orange subapical streak ; posterior 

 middle of mesothorax nude, shining, with large widely 

 separated punctures ; middle of scutellum also nude, with 

 smaller, closer punctures; tegulse piceous, reddish posteriorly. 

 Wings slightly dusky ; first recurrent nervure entering second 

 submargiual cell about or before the beginning of its last third. 

 Legs black, the tarsi becoming reddish apicallv ; hair of legs 



