584 On South- African Land-Moll asca. 



PLiTE XIV. 



Kerkopliorua vitalis, M. & P. Port Shppstone, Natal. 



Fig. 1. The male organ. X 4*o. 



Fiif. 1 a. The spermatheca and free oviduct, &c. X 4'o. 



Fig. 1 b. A. short portion of a sperinatophore, showing type of spines on 



side of the flume, x 58. 

 lif/. 1 c. The jaw. X 12. 

 Fi(j. 1 d. Thirtv-eighth, thirtv-ninth, and fortieth teeth of the radula. 



X 363. 

 Fig. 1 e. Tenth to sixteenth, showing the ti-ansition -teeth. 



Kerkophoru-1 mel villi, sp. n. 

 Fig. 2. The generative organs. X 4-5. 



3Iicrokerktis pondoensis, sp. n. 



Fig. 3. Animal with the shell removed, viewed from the right side. 



X 4-5. 

 Fig. 3 a. Ditto, ditto, left side, to show minute left shell-lobe, x 4'5. 



The position of the heart and kidney also shown. 



Plate XV. 



Kerhophorus atnpUata, Isl. & P. (No. 7.) 



Fig. 1. Animal with shell removed, seen from the right side, X 3'4. 

 Fig. 1 n. Ditto, part of, left side, to show shell and dorsal lobes. X 3'4. 

 Fi(/. 1 b. Ditto, seen from above, showing position of generative organs. 



X 4-.5. 

 Fig. 1 c. Generative organs removed. X 4*5. 

 Fig.ld. A spermatophore, complete. X 18. 



Kerkophnrm vitnlis, M. & P. Port Elizabeth. 

 Fig. 2. A spermatoplioi'e, entire. X 18. 



Plate XVI. 



Kerkophorus leucospira, Pfr. 



Fi(j. 1. Animal, viewed from right side. X 1"5. 

 Fi(/. 1 (I. Ditto, ditto. X 4.5. 

 Fig. 1 b. Ditto, left side. X 4-5. 



Kerkophorus fusicolor, M. & P. Ilarrismith. 



Fi(/. 2. Animal, mantle-margin, right side, x 4o. 



Fig. 2 a. Ditto, ditto, left side, with branchial sac and kidney. X -io. 



Fig. 2 b. Extremity of the foot. X 8. 



Andrario)! pntiiilio, M. & P. 



Fig. 3. The mantle-margin detached from body of animal, x 4"5. 



Fig. 3 a. Jaw. X 24. 



Fig. 3 b. Marginal teeth of the radula, very much enlarged. 



