268 Major M. Connolly on 



or 0. spinula, Morelet, which nearly approaches it in form. 

 While very near the border-line between Opeas and Curvella, 

 I consider the comparative slenderness of its contour sufficient 

 reason for placing the present species in Opeas. 



Genus Curvella, Chaper, 1885. 



(Bull. Soc. Zool. de France, x. pp. 48, 49.) 

 {= Hapalus, Albers, 1850, non Hapalus, Billberg, 1820.) 



Small shells, so named because of the forward curve of the 

 outer lip. Very near Opeas, from which they are generally 

 chiefly separable by their shorter wider contour and smaller 

 number of whorls. 



1. Curvella catarractce (Mel v. & Pons.). 



1897. Hapalus catarractce, M. & P. Ann. & Mag. Nat. Hist. xix. p. 635, 

 pi. xvii. fig. 4. 



1898. Curvella catarractce, M. &. P. Proc. Mai. Soc. iii. p. 179. 

 1898. Hapalus catarractce, M. & P., Stur. Siidafr. Moll. p. 62. 



1906. Curvella catarractce, M. & P., Pilsb. Man. of Conch, xviii. p. 59, 

 pi. viii. fig. 23. 



Hah. NATAL, Howick, Piefermaritzburg, Stella Bush 

 {Burnup) ; Durban (Penther, fid. Stiirany). 



A rather characteih ss little shell with obtuse apex and 

 rather ventricose body-whorl. The largest specimen in Coll. 

 Burnup measures 6*5 x 3o mm. Like others of the genus, 

 this species has a partiality for living in ants' nests, where 

 Mr. Burnup informs me he has more than once found them. 



2. Curvella globosa (Melv. & Pons.). 



1898. Hapalus globosus, M. & P. Ann. & Mag. Nat. Hist. ii. p. 128, 

 pi. vii. fig. 6. 



1898. Curvella globosa, M. & P. Proc. Mai. Soc. iii. p. 179. 



1906. Curvella globosa, M. & P., Pilsb. Man. of Concb. xviii. p. 61, 

 pi. viii. fig. 31. 



Ilab. Natal, Stella Bush {Burnup) . Cape COLONY, York, 

 Drakensberg, Griqualand East (Farquhar). 



A small shell, whose whorls, especially the last, are more 

 swollen in comparison than those of any of its allies. With 

 this exception, however, it bears a marked resemblance to 

 the preceding species. 



3. Curvella sinuosa, Melv. & Pons. 



1899. Curvella sinuosa, M. & P Ann. & Mag. Nat. Hist. iv. p. 198, 

 pi. iii. fig. 12. 



