248 



THE TANGANYIKA PROBLEM. 



aperture to a small opening below the left eye. The 

 opening communicates with a canal, and the canal passes 



Fig. 30. — The lingual dentition of 

 Tanganyicia rufofilosa. 



to the right under the buccal mass in the upper part of the 

 foot quite out to the left of the body, where it expands 



e.g. 



e.g. 



Fig- 31. — Nervous system of Tanganyicia rufofilosa. A., From 

 above. B., From the left side. c. g., Cerebral ganglia in 

 both figures. 



into a large sub-circular sac, which in the specimens I 

 examined was filled with young in various stages, and 



