S84! Zoological Illustrations : — 



Art. VIII. Illustrations in British Zoology, By George John- 

 ston, M.D., Fellow of the Royal College of Surgeons of Edin- 

 burgh. 



24. MuLLE^R/^ PAPiLLO^SA (^fig. 66.). ^olothuria papillosa Mtiller, 

 Turt. Lin. iv. 110. 



a, Mullferm papillbsa, in a state of contraction : b, with the tentacula expanded, c. The ten- 

 tacula and alimentary canal, as they appeared after being vomited by the animal : the liga- 

 mentous band, binding the oral apparatus together, is shown, and the ends of the salivary 

 glands projecting underneath, d. The oral apparatus, detached, e. The eviscerated body 

 laid open, to show the longitudinal bands, transverse fibres, and pores, and a cluster of 

 ovaries. /, A single ovary, magnified, g. An egg^magnified. 



This Mullerm is cylindrical or pear-shaped, according to 

 its degree of extension ; generally bellied in the middle, and 

 tapered towards the posterior extremity ; of an earthy or 

 cinereous colour. The skin thick, coriaceous, and rough ; 

 with numerous small tubular papillae, which clothe the whole 

 surface, and follow no pattern in their arrangement. When 

 contracted, nothing more is to be seen than a small circular 



