218 Procecdimjs of the Hoyal Physical Society. 



1S48. Octopus argus, Kraiiss, Siidafrik. Moll., p. 132, pi. vi., fig. 26, 

 South African and Ked Sea Regions. 



21. 0. aculeatus, d'Orb., Ceph. acet., pi. vii. [nomen tantum), 1825 ; 



Ceph. acet., p. 53, pi. vii., figs. 1, 2; pi. viii., fig. 1 ; 

 pi. xxiii., figs. 3, 4, 1838. 

 Indo-Malayan and Insular Pacific Regions. 



22. 0. tenebricus, E. A. Sm., "Alert" Rep., p. 35, pi. iv., fig. b, 



1884. 

 Australian Region. 



23. 0. megalocyathus, Gld., Moll. Wilkes Exped., p. 471, fig. 



586, 1852. 

 Patagonian Region. 



24. 0, fontanianus, d'Orb., Amer. merid., p. 28, pi. ii., fig. 5, 



1835; Ceph. acet,, p. 49; pi. xxviii., fig. 5; pi. xxix., 

 fig. 1, 1838. 

 Peruvian and Patac^onian Res^ions, 



25. 0, tehuelchus, d'Orb,, Amer. merid., p. 27, pi. i., figs. 6, 7, 



1835; Ceph. acet., p. 55, pi. xvii., fig. 6, 1838. 

 1871. Octopus megalocyathus, Cunningham, Trans. Linn. Soc, xxvii., 



p. 474.1 

 1886. ,, tehuelchus, Hoyle, Chall. Ceph., p. 89. 

 West Indian and Patagonian Regions. 



26. 0. hawaiensis, E. et S.,yoy. "Bonite," p. 9, pi. i., figs, 1-5, 1852. 



Pacific Insular Region. 



27. 0. globosus, App., Japanska Ceph., p, 7, pi. i., figs. 4, 5, 1886. 



Japanese Region; 



28. 0. duplex, Hoyle, Diagnoses I,, p. 226, 1885 ; Chall. Ceph,, 



p. 90, pi. vii,, fig. 5, 1886. 

 Australian Region. 



29. O.lentuSjYll., Amer. Journ. Sci., xix., p, 138, 1880; Ceph. N.E. 



Amer,, p, 375, pi. xxxv,, figs, 1, 2 ; pi, li., fig. 2, 1881. 

 Atlantic Ocean ; New England Region. 



30. 0. obesus, Yll., Amer. Journ. Sci., xix., pp. 137, 294, 1880; 



Ceph. N. E, Amer,, p. 379, pi, xxxvi,, fig, 3, 1881. 

 New England Region. 



31. 0. furvus, Old., Moll. Wilkes Exped., p. 475, fig. 589, 1852. 



West Indian Region. 



32. 0. piscatorum, Yll., Amer. Journ. Sci., xviii., p. 470, 1879; 



Ceph. N. E. Amer,, p. 377, pi. xxxvi., figs. 1, 2, 1881 ; 

 Third Catal., pi. xlii., fig. 5, 1885. 



1 This identification is based upon the examination of Cunningham's 

 specimen in the British Museum. 



