The Opisthobranchiata of South Africa. 47 



The whitish salivary glands were nodular and seemed to be 

 shorter than in the typical species. 

 The liver yellowish, of conical form. 



The form here examined seemed to be the typical St. verrucosa 

 (Cuv.) of the Mediterranean Sea and from both sides of the Atlantic. 



DISCODOBIDIME. 



E. Bergh, System d. nudibranchiaten Gasteropoden, 1892, p. 1095. 

 — Die Opisthobranchiaten d. Siboga Exped., 1905, pp. 98-118. 



Geitodoms, Bgh. 



E. Bergh, Die Opisthobranchiaten. Eep. on Alaska. Bull, of the 

 Mus. of Compar. Zoology at Harvard College, xxv., 10, 

 1894, p. 162 (-168). 



Corpus ovale, depressum, notaeo minute granulato vel leevi ; 

 tentacula digitiformia ; branchia e foliolis tripinnatis formata. 



Armatura labialis e baculis minutis composita. Eadula lata ; 

 rhachide angusta nuda ; pleuris multidentatis, dentibus internis 

 fortibus hamatis, externis tenuissimis. 



Penis inermis. 



This genus differs from the other generic forms of Discodorididse 

 especially in the dimorphism of the plates of the radula. 

 The genus now contains : — 



1. G. complanata (Verrill). 



M. Atlant. occid. 



2. G. inimunda, B. 



M. Pacific. 



3. G. Capensis, B. n. sp. 



M. Capense. 



Geitodokis capensis, Bgh. n. sp. 

 PI. XII., figs. 2-5. 



One specimen was sent, dredged off Glendower Beacon ; it was 

 very much hardened. 



When alive it was of yellow colour. In the preserved condition it 

 was of a length of 18 mm. by a breadth of 11 and a height of 6 ; 

 the rhinophores 2 mm. high, the brim of the back 3, the height of 

 the gill -leaves 2-5 ; the breadth of the foot 7, of its brim 1*5 mm. 



