438 PROCEEDINGS OF THE ACADEMY OF [July, 



Genus SYMPLECTOTEUTHIS Pfeffer, 1900. 

 Symplectoteuthis oualaniensis (Lesson, 1830) Pfeffer, 1900. 



Loligo oualaniensis Lesson, 1830, p. 240, pi. 1, fig. 2. 

 Symplectoteuthis oualaniensis Pfeffer, 1900, p. 180. 

 Symplectoteuthis oualaniensis Wiilker, 1910, p. 21 (merely noted). 



Distribution. Near Misaki, Sagami (Wiilker). Laccadive Islands 

 (Hoyle) ; Vanikoro (Quoy and Gaimard) ; Caroline Islands (Lesson) ; 

 Torres Straits, Great Barrier Reef, and Nickol Bay, Australia (Bra- 

 zier); Laysan Island (Schauinsland) ; Cocos Islands (Hoyle). 



Family THYSANOTEUTHIDJE Keferstein, 1866. 



Genus THYSANOTEUTHIS Troschel, 1857. 



Thysanoteuthis rhombus Troschel, 1857. 



Thysanoteuthis rhombus Troschel, 1857, p. 70, pi. 4, fig. 12; pi. 5, figs. 1-4. 

 Thysanoteuthis rhombus Jatta, 1896, p. 56, pi. 9, figs. 1-13. 

 Thysanoteuthis rhombus Pfeffer, 1900, p. 182. 



An Atlantic and Mediterranean species quoted from Japan without 

 more definite locality on the authority of Pfeffer. 



Family OHIROTEUTHIDJE Gray, 1849. 

 Sub-family CHIROTEUTHIN^ Chun, 1908. 



Genus CHIROTEUTHIS d'Orbigny, 1839. 

 Chireteuthis macrosoma Goodrich, 1896. 



Chiroteuthis macrosoma Goodrich, 1896, p. 12, pi. 3, figs. 51-57. 

 Chiroteuthis macrosoma Pfeffer, 1900, pp. 185, 186. 

 Cheiroteuthis macrosoma Nishikawa, 1906, pp. 109-113, pi. 

 Chiroteuthis macrosoma Chun,' 1910, p. 240. 



Distribution. Japan (Nishikawa). Off the Kistna Delta (type 

 locality, Goodrich). 



Sub-genus CHIROTHAUMA Chun, 1910. 



Chiroteuthis (Chirothauma) imperator Chun, 1908. 

 Chiroteuthis imperator Chun, 1908, p. 88. 

 Chiroteuthis (Chirothauma) imperator Chun, 1910, pp. 240, 241; texttafel 



2; pi. 38; pi. 39, figs. 1-10; pi. 40, figs. 2-5, 7; pi. 41; pi. 42, figs. 1-4; 



pi. 43; pi. 44, figs. 3, 6-16. 



Distribution. Sagami Bay (Chun). Off Nias, Sumatra (type 

 locality, Chun). 



Family CRANOHIID^E Gray, 1849. 



Genus LIOCRANCHIA Pfeffer, 1884. 

 Liocranchia sp. 



A single very immature individual of an undetermined Liocranchia 

 from Japan is in the author's collection [S. S. B. No. 385]. 



