AMERICAN HYMENOPTERA. 221 



cognata Cress. Proc. iii, 33, %. Can., Mass., N. Y., 111. 



canadensis Cress. Proc. iii, 33, % . 

 proxima Cress. Proc. iii, 32, % . Brit. Am., Can., E. M. S. & W. States. 

 texana Cress. Trans, iv, 261, '^ . (Coll. Belfrage). Texas. 

 4-dentata Cress. Trans, vii, 107, % . New York. 

 sericea Cress. Proc. iii, 27, % . Colorado. 

 inurbana Cress. Trans, vii, 107, 'J, . Colorado. 



rustica Cress. Proc. iii, 37, % . New York, Pennsylvania, Georgia. 

 vicina Cress. ibid. 38, % . Canada, Virginia. 

 bella Cress. Trans, vii, 107, % . Colorado, Nevada, 

 exigua Cress, ibid. 107,'^. California. 

 bucconis Say, Bost. Jour, i, 400; Cress. Proc. iii, 26, 9- Indiana, +. 



HEKIADES Spin. 

 carinatum Cress. Proc. ii, 3S3, % 5 • Eastern, Middle and Southern States. 

 variolosum Cress. (Megachile), Trans, iv, 270, % 2- Illinois, Texas, Colorado. 

 ? denticulatum Cress. Trans, vii, 108, %. Colorado, Nevada. 

 ? osmoides Cress. (Megachile), Trans, iv, 269, 9- Texas. 

 ? rotundiceps Cress. Trans, vii, 205, 9 • Nevada, Oregon. 

 ? cubiceps Cress. ibid. 205, 9 • Nevada. 



CHELOSTOMA Latr. 

 californicum Cress. Trans, vii, 108, %. California. 



rugifrons Sm. Brit. Mus. Cat. ii, 220; Cress. Proc. ii, 382, 9. Georgia, +. 

 albifrons Kirby, Faun. Bor. Am. iv, 270; Cress. Proc. ii, 382, '^ . N. Am., -|-. 



ANDRONICUS Cress. 



cylindricus Cress. Proc. ii, 384, % 9- ^ew York, Connecticut. 



ALCIDAMEA Cress. 

 producta Cress. Proc. ii, 386, % . Can., E. M. S. & W. States. 



var. pilosifrons Cress, ibid. 386, % . 



Heriades simplex Cress, ibid. 384, 9 • 

 truncata Cress. Trans, vii, 108, % . Georgia. 



MONUMETHA Cress. 

 borealis Cress. Proc. ii, 388, 'J, 9 . Br. Am., H. B. T., Me., Col., Nev. 

 argentrfrons Cress. Proc. ii, 387, % . 

 obsoleta Cress. ibid. 388, 'J, . 



ANTHIDIUM Fabr. 

 maculifrons Sm. B. M. C. ii, 214; Cress. Proc. ii, 375, % 9 . Col., Tex., N. Mex. 

 coguatum Cress. Trans, vii, 109, % 9- Georgia. 



maculatum Sm. Brit. Mus. Cat. ii, 216; Cress. Proc. ii, 376, % . Mexico, -|-. 

 aztecum Cress. Trans, vii, 109, % 9- Mexico, 

 maculosum Cress, ibid. 110, 'J, 9 • Utah, Nevada, California, 

 mormonum Cress, ibid. 110, %. Utah, 

 emarginatum Say, (Megachile); Cress. Proc. ii, 374, 'J, 9- W. States, Cal. Nev. 



atrifro7is Cress. Trans, i, 387, 9- 



var. atripes Cress. Trans, vii, 205, % . Nevada. 

 californicum Cress. ibid. 206, '^ . California, 



montivagum Cress. ibid. 110, 'J, 9- Colorado. 



