290 E. T. CRESSON. 



all the abdominal segments above, except the last, and in the S the 

 clypeus, the space on each side, labrum, spot on mandibles and scape 

 in front, white; on each side of the clypeus there is a short sutural 

 black line, and the labrum has a black dot on each side above. Wings 

 hyaline, apical margin faintly dusky; basal joint of posterior tarsi of % 

 simple. Length 6 — 6=} lines. 



Hub. — Colorado, (Mr. J. Ridings) ; Dacota Territory (Mr. Henry 

 Ulke). (Coll. Am. Ent. Soc.) This fine species is dedicated to Fred- 

 erick Smith, Esq., of the British Museum, the distinguished hymen- 

 ojDterist. 



2. Anthophora WalsMi, n. sp. 



S $ . — Diflers from Sm'dldi as follows: — The clypeus of the % has 

 two black spots at base, and the apical joint of the intermediate tarsi 

 is ciliated laterally with black pubescence, giving the joint a dilated ap- 

 pearaace ; base of claws ferruginous; basal joint of posterior tarsi of 

 % simple. Length 6 — 65- lines. 



iToi.— Illinois, (Coll. Am. Ent. Soc). 



Although the S of this species presents characters by which it can 

 at once be distinguished from that of Smithil, yet the only perceptible 

 difference between the other sex is the greater breadth of the abdomen 

 of M'uhliil. Dedicated to Benj. D. Walsh, Esq., to whom the Society 

 is indebted for a fine series of this elegant species. 



3. Anthophora marginata. 



Antliophord marginata, Smith, Brit. Mus. Cat. Hym. ii, p. 3.39. 

 Hah. — Orizaba, Mexico. (Coll. Am. Ent Soc. from Prof. F. Sumi- 

 chrast.) Three 9 specimens. 



4. Anthophora californica, n. sp. 



% . — Black; head, thorax, legs and basal segment of abdomen with 

 dense ochraceous pubescence, short on the legs; clypeus, space on each 

 side, transverse line above, large spot on mandibles, scape in front, 

 and narrow apical margin of abdominal segments above, whitish or yel- 

 lowish; wings hyaline, faintly dusky at apex; posterior legs very ro- 

 bust, apex of their tibiae with a stoat, blunt spine within, and basal joint 

 of their tarsi dilated, with a long flattened process within. Length 5 

 lines. 



Hah. — California. (Coll. Am. Ent. Soc, from Baron R. Osten 

 Sacken.) 



5. Anthophora montana, n. sp. 



$ . — Robust, black; sides of face, labrum, vertex, cheeks and occi- 

 put, clothed with a short, dense, pale ochraceous pubescence, slightly 



