PLATE XXIX. 



Fig. I. Schtzobranchia dubia sp. nov., p. 208. Dorso-lateral view, XS* 



2. Serpula splendens sp. nov., p. 230. Dorsal view of anterior portion, 



showing botli primary and secondary operculum, X 2. 



3. A piece of stone covered with tubes of Spirorbis, X about 4 : a, Sinis- 



tral, vitreous, Spirorbis variabilis sp. nov., p. 23S; 3, Dextral, Spir- 

 orbis rugatus sp. nov., p. 243 ; c. Sinistral, nonglassy, Spirorbis similis 

 sp. nov., p. 242. 



4. Crucigera irregularis sp. nov., p. 234. Lateral view of anterior portion 



of type, X 3- 



5. Crucigera zygophora (Johnson), p. 233. Branchia, X 5- 



6. Eudistylia polymorpha (Johnson), p. 214. Anterior portion of speci- 



men from Victoria, British Columbia, X 4 = «> cut dorso-ventrally, to 

 show the spiral branchial lobe ; b, the other half cut laterally, to show 

 height of spiral with branchial membrane. 



(316) 



