172 WALTER E. COLLINGE. 



Notum finely granulated, yellowish irregularly blotclied 

 with blackish green, these blotches being prominent at the 

 edo-e and in the middle of the notum. Dorsal eyes irregularly 

 scattered. Head large. Hyponotum greenish-grey. Foot- 

 sole greyish-yellow, faintly marked with fine transverse 

 wrinkles. Male generative oinfice on the right side of the 

 head, on the inner side of the I'ight upper and lower tentacles. 

 Female generative orifice in front of the anus, partially hidden 

 by the posterior border of the foot-sole. Anal aperture , 

 slightly to the right of the median line. 



Length of notum (in alcohol) 11 mm.; breadth 9 mm.; 

 hyponotum 3 mm. broad; foot-sole 8'5 mm. long, 3 mm. 

 broad. 



Hab. — Umlaas Lagoon, Natal. 



Onchidium savignyi Semper. 



? = Onchidium peroni Saviyny; see E. A. Smith, Proc. Make. Soc, 



Lond., 1903, vol. v, p. 401. 

 Onchidium savignyi Semper, Reis. Arch. Philip., 1870, Bd. iii, 



p. 260. 



Hab. — Scottburgh . 



3. Bibliography. 



1. Agassiz, L.— 'Nomenclator Zoologicus (Mammals),' 1842. 



2. BiNNEY, W. G. — " On the Jaw and Lingual Dentition of certain 



Terrestrial Molluscs," ' BuU. Mus. Comp. Zool. Camb., U.S.A.,' 

 1879, pp. 331-368, pis. i, ii. 



3. CoLLiNGS, Walter E. — ''The Morphology of the Generative 



System in the Genus Testacella," 'Ann. and Mag. Nat. Hist.,' 

 1893 (s. 6), vol. xii, pp. 21-25, pi. i. 



4. "On the Anatomy of Apera burnupi E. A. Smith," 



ibid.. 1897 (s. 6), vol. xx, pp. 221-225, pi. v. 



5. " On a Collection of Slugs from South Africa, with Des- 

 criptions of some New Species," ' Ann. Sth. Afr. Miis.,' 1900, 

 vol. ii, pp. 1 — 8, pis. i, ii. 



6. " Note on the Anatomy of Apera burnupi E. A. Smith," 



' Journ. of Malac.,' 1901, vol. viii, pp. 71, 72, fig. 



