260 
H. L. M, PIXELf;. 
Text-fig. 2.' 
Transverse section through the lower oesophageal region to show 
low irregular fascicles of longitudinal muscles. Formula : 
19,22 
— I — =61. ( X 180.) For lettering see footnote. 
7113 
' [Figs. 1 to 5 are of Ph. vancouverensis, and Figs. 6 to 16 of 
Phoronopsis harmeri.] 
[The abbreviations used are the same throughout the paper.] 
Lettering op the Figures. 
u.c. Anterior coelom, a. p. Anal papilla, a.v. Afferent vessel, h.c. 
Red blood-corpuscles, h. t. Basement tissue, c. Collar, cap. Capillary 
cocca. c. h. Ciliated band in pregastric region of digestive tube. c. m. 
Circular muscles, col. ep. Columnar epithelium, cm. ep. Cubical epithe- 
