Dr. E. A. Andrews on a new Species o/'Phoronis. 447 



crescent, as in P. Kowalevskii, Cald., with which this species 

 has close affinities, rather than with P. australis, Hasw., or 

 P. Buskii, M'Int. 



N 



Fig. 2.- — Transverse section of anterior region ; the body-wall composed 

 of a thick epidermis, a supporting layer, longitudinal muscles 

 in definite pinnate ridges. In it is the left nerve-rod, N. R = 

 rectum or intestine ; Oe= oesophagus with special ridge next the 

 Wood-vessel (Bl) in the posterior cavity (P) ; R. A. and L. A. 

 = right and left chambers of the body-cavity. Camera, Zeiss 

 5 A. 



The marked peculiarity of the lophophore is the presence, 



piw. 3. — Diagram of section of base of lophophore on to which are pro- 

 jected sections of the carpel-like organ (C), the sense-lobe (S), 

 and the anal and nephridial openings (A and Np). The mouth 

 (M) is provided with a transverse epistomial membrane. The 

 nerve-ring is indicated by a circumoral dotted line. 



