266 HUGH WATSON. 



Fig. 148. — X 2 J. A. burmipi; reproductive organs. 

 Fig. 149. — X 2i. A. sexangula; rejproductive organs. 

 Fig. 150. — x 1200. A. gibbonsi rubella; anterior part of a 

 spermatozoon. 

 Fig. 151. — X 1200. A. dimidia ; anterior part of a spermatozoon. 



PLATE XXIV. 

 Fig. 152. — x 1"8. Testacella maugei ; dorsal view; Cape Town. 

 Fig. 153. — x 1"8. T. maugei; side view. 



Fig. 154. — X 3"4. T. maugei; general dissection, viewed obliquely 

 from the right side.' 



Fig. 155. — x 3'3. T. maugei; side view of odontophore without 

 its sheath. 



Fig. 156. — X 3'3. T. maugei; longitudinal section of odontophore. 



Fig. 157. — X 100. T. maiigei; repi*esentative teeth from the 

 radula. 



Fig. 158. — X 4. T. maugei; side view of junction of penis with 

 vas deferens and penial retractor in specimen shown in fig. 154. 



Fig. 159. — X 4. T. maugei; side view of junction of penis with 

 vas deferens and penial retractor in another specimen from Cape Town. 



Fig. 160. — X 1100. T. maugei; anterior part of a spermatozoon. 



Fig. 161. — x 1"5. T. maugei ; venti-al view of shell ; Cape Town. 



Fig. 162. — X 15. T. maugei. var. aperta; ventral view of shell; 

 Cape Town. 



Explanatory References. 



nib. gl. Albumen gland, ant. aor. Anterior aorta, aur. Auricle. 

 b. art. Buccal artery, b. c. Buccal cavity, b. gang. Buccal ganglion. 

 b. mass. Buccal mass. b. ')nass. n. Nerve to sides of buccal mass. 



b. protr. Buccal protractors. b. retr. Biiccal retractors. b. retr. n. 

 Nerve to buccal retractor. 



c.-b. con. Cerebro-buccal connective. cer. gang. Cerebral ganglia. 



c. in. Circular muscles of sheath of odontophore. com. d. Common duct. 

 c.-jped. con. Cerebro-pedal connective, c.-pl. con. Cerebro-pleural con- 

 nective, c. r. Circular muscles of radula-sac. 



' The liver is shown turned over to the left, and the reproductive 

 system (excepting the penis) is displaced to the right; the arteries are 

 omitted. 



