214 Froceedings of the Royal Physical Society. 



1838. PMlonexis tuber culatiLS, d'Orb., Ceph. acet., p. 87, pi. vi. his et 



ter, pi. xxiii. 

 1840. Ocythoe tuherculata, Eaf., Good Book, p. 63. 

 1851. Octopus catenulatus, Ver., Ceph. medit., p. 37, pi. xiii. 

 1851. ,, Carena, Ver., Ceph. medit., p. 34, pi. xiv., figs. 2, 3; 



pi. xli., figs. 1, 2. 

 1861. Parasira catenulata, Stp., "^id. Meddel. nat. Foren, Kjobeuhavn, 



1860, p. 333. 

 1869. ,, ,, Targ., Cef. Mus. Firenze, p. 11. 



1869. ,, tuherculata, Targ., op. cit., p. 13. 



1880. Ocythoe ,, Stp., Ommat. Blsekspr., p. 104. 



1881. Parasira catenulata, VIL, Ceph. N. E. Amer., p. 362, pi. xxxiii. , 



fig. 2. 

 New England and Mediterranean E-egions. 



Family lY. Philonexid^, d'Orbigny, 1838. 

 Tremoctopus, delle Chiaje, 1830. 



PMlonexis, d'Orbigny. 



1. T. violaceus, d. Ch., Mem. stor. nat., pi. Ixx. (fide Yer.), 1830. 



1830. Octopus velifer, Fer., Poulpes, pis. xviii., xix. {nomen tantum). 



1837, ,, velatus, Ptang, Mag. de Zool., cl. v., p. 60, pi, Ixxxix. 



1838. PMlonexis velifer, d'Orb., Ceph. acet., p. 91, x)ls. xviii. -xx., pl. 



xxiii., figs. 2-4. 

 1851. Tremoctopus ,, Yer., Ceph. medit, p. 41, pl. xiv., fig. 1. 



1851. ,, violaceus, Ver,, op. cit., p. 41, pis. xv., xvi. 

 Mediterranean Region. 



2. T. Quoyanus (d'Orb.), Stp. 



1835. Octojncs {PMlonexis) Quoyanus, d'Orb., Amer. merid., x>. 17, pl, 



ii., figs. 6-8. 

 1838. PMlonexis Quoyanus, d'Orb,, Ceph. acet., p. 96, pl. xvi., figs. 



6-8 ; pl. xxiii., fig. 5. 

 1861. Tremoctopus ,, Stp., Vid. Meddel. nat. Foren. Kjoben- 



havn, 1860, p. 332. 

 1886. ,, ,, Hoyle, Chall. Ceph., p. 70, pl. xiii., fig. 7. 



Atlantic and Pacific Oceans. 



3. T. gracilis (Eyd. et Soul.), Tryon. 



1852. Octopus gracilis, E. et S., Voy. "Bonite," p. 13, pl. i,, figs. 8, 9. 

 1879. Tremoctopus gracilis, Tryon, Man. Conch., i., p. 131, 



1886. ,, ,, Hoyle, Chall. Ceph,, p. 71, pl. xiii,, figs. 



8, 9. 

 Pacific Ocean. 



4. T. atlanticus (d'Orb.), Stp. 



1835. Octopus {PMlonexis) atlanticus, d'Orb,, Amer. merid,, p, 19, pi, 



ii., figs. 1-4. 

 1838. PMlonexis atlanticus, d'Orb,, Ceph, acet., p, 98, pl.xvi,, figs. 4, 5. 



