112 



ACTINIARIA 



cinclides. I have observed cinclides on sections (compare below) as well as on living specimens in Naples. They 

 are, however, irregularly placed; in some chambers I have found one or several apertures, in other cham- 

 bers none. By an injection with methylen-blue the colour was squeezed through the cinclides. The tentacles 

 are 20 in number in typical specimens, and in extended state rather long. The inner tentacles, belonging 

 to the endocoels, are shorter than the outer ones, the exocoel-tentacles, (compare Fau-rot, 1895 and Carl- 



Textfigs. 140 143. Eloactis mazelii. 

 Fig. 140: Longitudinal section through 

 part of the column with solid papilla. 

 Fig. 141: Transverse section through a 

 cinclid in the most distal part of the 

 column. Fig. 142: Transverse section of 

 a young specimen in the actinopharynx 

 tract. Fig. 143: Transverse section of 

 a mesentery in the reproductive region. 

 cm: circular muscles. 



Fig. 140 



Fig. 141 



Fig. 142 



gren, 1904, p. 542). They are cylindrical with hemispherical, smooth apices, while the main part of the ten- 

 tacles, the peduncle, is provided with flat elevations like those found on the column. The oral disc is not 

 wide, but smooth and provided with distinct radial furrows, corresponding to the insertions of the mesen- 

 teries. A well developed ventral siphonoglyphe is present. There is no conchula or tongue-shaped formation 

 at the entrance of the siphonoglyphe. Its aboral prolongation is inconsiderable in comparison with that 

 of Peachia. The other part of the actinopharynx is provided with numerous longitudinal furrows and com- 

 prises about one third of the length of the body. 



Anatomical description: Rees (1913) has described the anatomy of this species; but his exa- 



