64 E. LÖNNBERG. ON THE CEPIIALOPODS. 



Explanation of figures. 



PL IV. 



OnychoteutJiis ingens E. A. Smith, after a photograph, 

 showing the papillse. On the right side the skin is taken 

 away on a little spot so that the papillse are bare. 



PL V. Fig. 1—3. 



Onychoteuihis ingens E. A. Smith. Fig. 1 a transverse 

 section through two papillse, about ten times enlarged. 

 cm. = circular nmscles of the mantle 

 Im. = longitudinal » » » » 

 t. = connective tissue 

 p. = papillse 

 sk. = skin 

 Fig. 2 a tangential section through a part of a papilla 

 showing the large cellules and the network of fibrils of 

 connective tissue. 



Fig. 3 a piece of the interpapillar structure showing a 

 ball of fat cellules (f)and the surrounding soft tissue where 

 the cellules are widely scattered. 



Fig. 4 a piece of one of the upper arms of Gonatus 

 antarcticus n. sp. four times enlarged showing the difference 

 in size between the suckers and the hooks. 



Fig. 5 Armature of one of the rudimentary suckers from 

 the same arm as the foregoing. 



