14G Prof. M'Intosli's Notes from the 



Some had tlie posterior region of the body distended with 

 large ova. None had buds, but a band or two of large free 

 ova in mucus occurred, as in the specimens at St. Andrews 

 and as is also found in Spiroi'bis. Some of the tubes of 

 mucus contained larvae with three pairs of bristles, a powerful 

 prototroch, two large eyes, and a segmented body. 



A commensal Crustacean was found in the calcareous 

 tube. 



* The male elements were present in the majority with ova. 



