:.3 Ex 1891. 



Sponges P1..I6. 



V: 



k 



V 



<''\-v 



kw" 



□ 



a // 







A.. 









.rvT 



H.V.Wilson dnd£w.Rubsdmen.del. 



7 









Hdi^lypft Co,BostatL 



