52 HENRY SKINNER, EDITOR. 



Paiitirginus 4-ili-iiiifVons n. sp. — Clypeus with a longitudinal im- 

 pressed line medially, dorsulum slightly impressed medially coarsely punctured, 

 metathorax without a defined area. 



% Length 6 mm. — Front closely rugulosely punctured, space between ocelli 

 and eye margin with deep crude punctures, cheeks indistinctly punctured shining, 

 clypeus, space above and aside sparsely deeply punctured, first joint of flagellum 

 a little shorter than joints two and three united. Labium shining concave, trun- 

 cate, trapezoidal. Dorsulum with parapsidal grooves and deep, close, large punc- 

 tures, mesopleurte punctured but not so strongly. Metathorax with the disk 

 slightly impressed, entirely almost uniformly rugulose, shining. Wings slightly 

 fuscous, stigma and nervures dark brown, distance between the first recurrent 

 nervure where it joins the second submarginal cell and the first transverse 

 cubitus, a little shorter than the first abcissa of the radius, the second recurrent 

 nervure received a little before the second transverse cubitus. First abdominal 

 segment smooth and polished at base and apex, punctured across the middle, most 

 of the other segments finely sculptured, punctured and polished. 



Black. Clypeus, a triangular supraclypeal mark, a somewhat triangular mark 

 between eyes and clypeus, the longest side of which borders the eye, the upper 

 point extending to the height of the supraclypeal mark, all femora at apex, tibise 

 at base entirely, anterior tibiae in front and all tarsi except apical ones yellow. 



Type.— Coll. Acad. Nat. Sci., Phila, Type locality.— Beulah, 

 N. M., August 17, 1901 (H. Skiuner). One % . 



I 'a n ii rg iii us porterse Ckll. 

 Beulah. Type locality % 9 . — The % was taken August 25, 1899 

 (W. P. Cockerell). 



' Pauiirginus cressouiellus Ckll. 



Three ? , near Beulah, August 23, 1899. One S , three 9 9 , all 

 by W. Cockerell. 



*Perdit» zebrata Cress, var. 



One % ' Prof. Cockerell has kindly submitted the following de- 

 scription of this interesting find. 



44 Perdita zebrata Cresson (variety).— % Length 4 mm. — Head and thorax 

 "lark olive green, sparsely clothed with erect white hairs ; thorax, especially meso- 

 thorax, shining ; front and vertex dull and granular; mandibles sharp and simple, 

 white with black tips, the junction of the black and white, suffused with ferru- 

 ginous; labial palpi with the basal joint black, longer than the other three (which 

 are pallid) united ; maxillary palpi six-jointed, basal joint black, the others whitish ; 

 face-marks cream color, including clypeus (except the usual black dots), long 

 narrow pointed lateral marks, reaching a short distance above the level of the 

 antennae, a large quadrate supraclypeal mark, notched above, and large dog-ear 

 marks; antenna? black above, pale yellow beneath, including scape; prothorax 

 entirely margined with very pale yellow; pleura dark ; legs pale yellow, all the 

 femora with a large black patch above, and the tibia? with a large black stripe 



