es/f 



est 



est 



^^p, -d^'^Stl!^^^^^^^^^^^^ brainerdi Whit.eld 



sheath; ^^/, endosiphotube ; esv, endosShSleon V'' ---^ " ' ^ '' erdosipho- 



wmg. In figure xx, the endosiphocoleon rshrded^oo darT^' ""'' ^"""^'^ ^'"§^' ^"- ^^^^' 



