Percy Sladen Trust Expedition, 

 ( Gjbson) 



coelomic couiaL, 

 branchial ntusoles 



ouerl/upjpt^ 



eUgeot upper up e^gsofrmetapleure edaeonmeta.pleu.re positwn. of outer 

 of stomoia.eu.vi i/ /- '^,p^„u,g afgM-slU, 



lymph ca^rude. repres&nttng 

 Qoldschmixk's dorsal rostral cojuti 



sk6l£ta,l' lamelLat 

 in vjOftls of uentrcct 

 rostral catfUy 



preoral orgcLTi 



ta... 



tuft of ctUa. 



endostyCe bronchia/' muscles 



mouth 



-8C.I. 



..mtpr 



pc r pc I 



OEPHALOCHORDA 



