tlie Apiilii' ill the Biitisli ^fnHeum. 450 



(lie thorax, which is massive ; scutelhiin separated by a 

 transverse groove from postscutellum, legulas normal, basal 

 aieaoE median sefrmcnt almost obsolele, truncation of median 

 segment rounded laterally. 



Head and thorax rather coarsely punctured, the abdomen 

 more linely, the apex of segments inipunctate, shining. 



Length 12—13 mm. 



Uganda Protectorate: Entebbe, Sept. 1-11, 2 ? ? 

 (type) ; W. shore of Victoria Nyanza, 13iiddu, IJTOO ft., 

 ix'. 1011, 6 ? ? ; Seziwa River to K:ini|)ala, lioOO-.'iToO ft., 

 viii. lull, 2 $ ? {S.A.yeave). Sierra Leone: xii.1912 

 {J. J. Simpson)^ 1 $ . 



Yar. evanescens, nov., ? , resembles the type except in the 

 colour of the fasciae of segments 1-1, which aie without any 

 tinge of green. 



Nyasaland: Mlanje, v. 1013 ; S.W. of Lake Cliilwa, 

 i. lOl-l (S. A, Neave). ]\Iany specimens. 



This species is a A'o»i?a sens, str., and appears to be the 

 first si>ecies described from the mainland of Africa with green 

 tegiimentary fascia^, though this group {iridesccns, chahjheata, 

 ■ike.) is prominent in the Oriental region and occurs in Mada- 

 gascar (xV. viridihnihata, Sauss., 1802). From this latter 

 species it tliffers in having the abdomen only finely punctate 

 and the wings subhyaline (not distinctly fuscous). 



Nomia exagens (Walk.). 



Andrena exagens, Walker, Ann. & Mag. Nat. Hist. (3) v. p. 305 (1860). 



$. Ceylon. 

 Hnlictuti thnidus, Smith, Descr. New Spec. Hymen, p. 31 (1879). 5 . 



Ceylon. 



Nomia davatus (Smith), (^ . 



Described as a Ilalictus, but is a i^^(???^i*a of the A\ hylceoides 

 group. 



Nomia aurijrons (Smith), ? . 



This species was also described as a IlaJicfus. The type 

 is a ? , not a cJ as stated in the origijial description. It 

 may possibly be the ? of N. davatus. 



Nomia f 11 scipennis, Smith, and N. terminaia, Smith. 



Bingham (Fauna Brit. Lid. i. p. 449) sej)arates these two 

 species on the presence or absence of a clypeal carina. I 

 have examined the series of each species, and find this 

 character valueless. N. fuscipennis (type) has a distinct 



