2 ANliKKNlD.K. 



niim-llimi of tho antoiiiuf fulvous bcuinith towards the apex. Thorax 

 shiniii}; ajul punctured ; \viiit;;s hyaline and iridescout, the norvnroH 

 fusco-ferru^inons. Alxlonien iui])unelMle al the hase, and very finely 

 punctured towards tho apex : llie ajiical margin of each segment, 

 oxeept tlic l)asal one. with a wliitc pubescent fascia. 



Mtilt-. \ litth' smaUer lliaii the female, of the same jet-Mack 

 cohiur. with similar wliit(> lailtesccnce, and the same bright jjolislied 

 abdomen ; the latter is o])long-ovatc in the male, and of a conical 

 shape in the female, the apex being pointed. 



Hah. East Florida. 



;{. Colletes iutricatus. 



Femnh. Length 5| lines. — Black ; the thorax clothed with fulvous 

 pxibesceuce ; the abdomen shining, and closely and finely punc- 

 tured, the base most strongly so. The head shining, punctured, 

 the dypcus coarsely so ; the face with dark griscous pubescence. 

 Thorax with the pubescence beneath the wings fuscous, that on 

 the legs l)eneath paler, the floccus on the posterior femora beneath 

 of a dirty white; the scoim on tho posterior tibia; fuscous; wings 

 subhyaline, the nervures fusco-ferruginous, the tcguhe testaceous. 

 Abdomen with a little pale fulvous pubescence at the base. 



Mith'. Length 4-4| lines.— The face with pale fulvous pubescence, 

 on tlie vertex and thorax above it is fulvous; wings as in the 

 female. Abdomen shining, closely* punctured ; the margins of the 

 first and second segments depressed, all the apical margins with 

 pale i)ubcscent fasciae. 



Ilah. Mexico, Orizaba. 



4. Colletes griseus. 



Fnnale. Length 5 lines. — Jilack ; the abdomen shining, the pubes- 

 cence griscous. Head — the pubescence griscous, that on the cly- 

 peus, which is strongly punctured, whitish, as it is also on the 

 cheeks. Thorax strongly punctured, and clothed with erect gri- 

 scous pubescence ; tho doccus on the posterior femora beneath 

 nearly white; the scopa on the tibiae fuscous above and whitish 

 within and beneath; wings hj-aline and iridescent, the nervures 

 black. The apical margins of the segments of the abdomen with 

 very narrow white pubescent fascia;, which are usually more or f 

 less interrupted on the first and second segments. 



Male. Length 4^ lines.— Very closely resembles the female, but 

 has the antennie nearly as long as the thorax ; the abdomen very 

 bright and shining and more oblong, the segments narrowly bor- 

 dered with white above and beneath. 



Hub. Mexico, Oajaca. 



m 



