A RH^TIC SECTION AT REDLAND. 103 
their further investigation. This she has done, and, after a vast 
deal of labour, not yet quite finished. She has made out all the 
important points of the structure. The sporangia belong to the 
' Naiadites,' which is proved by them to have been a member 
of the Lycopodiaceee. The sporangia contain tetraspores beauti- 
fully preserved. They may occasionally be found occupying their 
proper position in the axil of a leaf. The structure of the 
stem of 'Naiadites' is equally that of a Lycopodiaceous plant. 
"My daughter read a paper on the subject before the British 
Association, and is now busily engaged in completing a memoir 
for the Geological Society." 
