MUSEUM OF CUMrAUATIVE ZoiJLOGV. 115 



EXrLANATION OF TLATES. 



PLATE 1. 



Fig. 1. Opisthoteuthis A(j(tsshii Verrill. Dorsal view. Natural size. 



PLATE IL 



Fig. L Opistlioteut/tis Agnssizii Verrill. Ventral view, showing the arrangement of 

 the suckers and cirri. Natural size. 



PLATE IIL 



Fig. L Nectoteulhis Pourtitlfinii Verrill. Dorsal view. Enlarged two diameters. 



" la. The same. Enlarged two diameters. 



" lb. The same. Left arm of the Iburtli pair. Side view. Enlarged four di- 

 ameters. 



" 2. Rossia brachijura Verrill. Left arm of the second pair. Front view. En- 

 larged four diameters. 



" 3. Octoims puius Verrill. Dorsal view. Enlarged three diameters. 



" 4. Ahralia incijapteru Verrill. Ventral view of tlie type-specimen from Sta- 

 tion 1137, in 173 fathoms. Enlarged two diameters. 



