STUDIES IN THE FOSSORIAL WASPS. 709 



obsolete roundato-carinatus ; facie postica punctulata, supra 

 distincte angulata, obtusaiigula, fere rectangula. Epipygium 

 trigonale, striolatum, margine laevi. Spiiue tib. post, albescentes, 

 sqiiamosfe. Alee subhyaliufe venis bruneis et fuscis ; parte apicali 

 nebulosa, 2** ar. cubit, intus breviter acute producta ; 2^ vena 

 recurrens arcuata, obliqua, In alis posticis v. discoidalis longius 

 ultra venulam transverso-discoidalem furcata. Long 14 mill. ; 

 al. 10 mill, (Africa meridionalis)." 



*Elis (Mesa) capensis Lep. 



Tiphia capensis Lep. in Hist, Nat. Insect., Hym. iii, p, 554 

 (1845), $ . _ 



" Caput nigrum, supra nigro, subtus rufo subvillosum. An- 

 tennae nigrfe, articulo primo nigro hirto. Thorax niger rufo 

 subhirtus. Abdomen nigrum, subnndnm. Pedes nigri, rufopallido 

 subvillosi, femoribus duobus posticis angulatis compressisque, 

 Alse rufo-fuscse, nervuris costaque rufo-fuscis ; sqiiama nigra, 

 Cellula radialis clausa. Femina." 



" Long. 7 lignes. 



" Cap de Bonne Esperance. Musee de M. Serville," 



The figure shows that this species is an Elis. 



Elis (Mesa) innotata Tuni. 



Flesia {Mesa) innotata Turn. Ann. & Mag, Nat. Hist. (8) i, 

 p. 506(1908), $. 



Hah. Loangwa River, N,E. Rhodesia ; S. ISTyasaland, 



Elis (Mesa) saussukei Turn. 



Plesia [Mesa) saussurei Turn. Trans. Ent. Soc. London, 1910, 

 p. 394, 2 . 



Eah. Madagascar. 



This is near E. xanthocern, hwt the median segment is longer in 

 proportion and much more distinctly margined ; the colour of 

 the antennse is also different. 



Elis (Mesa) xanthocera Gerst. 



Myzine xanthocera Gerst. Arch. f. Naturg, xxxvii. p, 353 (1870), 

 5 ; V. d. Decken, Reise in Ost-Afrika, Gliedethiere, p. 339, pi. 14, 

 fig. 5 (1873), $ . 



Plesia {Mesa) xanthocera Sauss, in Grandidier, Hist, Madagas- 

 car, XX. p. 245 (1892), $ . 



Hah. Howick, Natal ; Zoutpansberg, Transvaal ; Mozambique ; 

 Harar, Abyssinia. 



Elis (Mesa) erythropoda Turn, 



Plesia {Mesa) erythro2ioda Turn. Ann. & Mag, Nat. Hist. (8) i, 

 p. 505 (1908), $. 

 Hah. Lake Ngami. 

 The scopa beneath the basal joint of the hind tarsus is rather 



