458 Lt.-(yolonel H. H. Godwin-Austen on 



Animal pale-coloured, grey on side of the foot, towards the 

 extremity. The lobe above tliis long. Right shell-lobe long, 

 of nearly even breadth for some distance, then tapering. 

 The left shell-lobe long, tongue-like, narrow. The left 

 dorsal lobe in two parts. The branchial sac sparsely and 

 finely dotted up to the liver and heart ; white speckling then 

 commences and continues to the apex, on an ashy ground. 



Formula of the radula : 94, . 2 . 11 . 1 . 11 . 2 . 91, or 

 107 . 1 . 107. A few of the marginal teeth are tricuspid, 

 the rest are unevenly bicuspid. Admedian as usual. 



Jaw with a central projection. 



There were three spermatophores in tlie specimen dis- 

 sected. Nineteen bunched spines on one side of the flume, 

 three on the other, next the capsule {^). 



Kerkophorus ?natalensis, Krs. (Part IT., pl.xv. figs. 1-1 d, 

 auimal and anatomy.) 



Vide Ann. & Mag. Nat. Hist. ser. 8, vol. ix. p. 584 (1912), explanation 

 of plate XV., not ampliatus. 



Locality. Alexandra Park, Maritzburg (No. 7, H. C. 

 Burm/p, B.M., spirit-specimen no. 5 ; four examples)"^. 



Shell very gloljosely conoid, vex-y finely perforate; sculp- 

 ture microscopical, regular longitudinal striation ; colour 

 ocliraceous, with a strong yellow tinge ; spire subconic, apex 

 rounded ; suture moderately impressed ; whorls 4, the last 

 swollen aiul rounded on the })eriphery ; aperture very 

 circular, oblique ; peristome thin, sinuated ; columellar 

 margin nearly vertical, thin. 



Size : major diam. 13'0, minor 113; alt. axis o'O mm. 



Second example sent : major diam. 14"3 ; alt. axis 80 mm. 



Animal (pi. xv. figs. 1-1 a). — With elongate lobe at 

 extremity of foot. Right and left shell-lobes large, long, 

 and tongue-like. Left dorsal lobe in two j)arts, in three in 

 one specimen. Visceral sac all pale-coloured np to the region 

 of the heart and kidney, with no spotting of black or white 

 whatever, thence to the apical ivhorls all very dark broivn with 

 just an indication of tvhite mottling on the side near the apex. 



iMr. Burnup writes of this species, which certainly diti'ers 

 from pluedunas in the coloiation of the animal and in 



* After the publication of Part 1 1., 1 912, Burnup sent another specimen 

 oftlie shell to Ponsoiiby, which cmiie on to nie ; it bear.s tliisnoLe; " Tliia 

 equals my No. 7 to Q.-A., which lio iipparontly considers is mnpUntua ! ! " 

 It is a iinur specimen, and I ;,nvo its dimensions (second exiiniple); it is 

 rather hi^'her in tlie spirHthan the first specimen 1 received — this repre- 

 beula nalulcnsia at Maritzbury apparently. 



