1912.] NATURAL SCIENCES OF PHILADELPHIA. 443 



Troschel, F. H. 1857. Bemerkungen liber die Cephalopoden von Messina. 



Archiv fur Naturgesch., Jahrg. 23, vol. 1, pp. 40-76, pis. 4, 5. 

 Tryon, Gsjorge W., Jr. 1879. Cephalopoda. Manual of Conchology (1). 



vol. 1, 316 pp., 112 pis., 8vo, Philadelphia, 1879. 



Verany, J. B. [1851. Mollusques mediterraneans, observes, decrits, figures 



et chromolithographies d'apres le vivant, I. Cephalopodes de la Mediter- 



ranee. Genes, 1851.] 

 Verrill, Addison E. 1881. The Cephalopods of the North-eastern coast of 



America. Part II. The Smaller Cephalopods, including the Squids and 



the Octopi, with other allied forms. Trans. Connecticut Acad. Sci., vol. 5, 



pp. 259-446, pis. 26-56, June, 1880-December, 1881. 

 1882. Report on the Cephalopods of the Northeastern coast of America. 



Rep. U. S. Com. Fish and Fisheries 1879, pp. 211-455 [1-245], pis. 1-46, 



Washington, 1882. 



Wulker, Gerhard. 1910. Ueber Japanische Cephalopoden. Beitrage zur 

 Kenntnis der Systematik und Anatomie der Dibranchiaten. Abhandl. 

 II Kl. K. Akad. Wiss., Ill Suppl., Bd. 1. Abhandl., 71 pp., 5 pis., Miinchen, 

 1910. 



Explanation of Plates V-IX. 



Plate V. — Fig. 1. — Stoloteuthis nipponensis tf, dorsal aspect of type, X 2|; [32]. 

 Fig. 2. — Ventral view of same, same scale. 

 Fig. 3. — Right lateral view of same, same scale. 

 Fig. 4. — Enlarged view of left tentacle club of same. 

 Fig. 5. — Inioteuthis japonica d", dorsal aspect of cotype, X 2; [112]. 



Plate VI. — Fig. 1. — Euprymna morsel 9 , dorsal aspect of cotype, X 2; [105]. 

 Fig. 2. — Ventral view of same, same scale. 

 Fig. 3. — Sepioteuthis lessoniana c?, ventral view of specimen from Waka- 



noura, X i; [36]. 

 Fig. 4i.—Ommastrephes sloanii, inner aspect of right third arm of specimen 



from Hakodate, nearly natural size; [257]. 

 Fig. 5. — Sepioteuthis lessoniana 9 dorsal aspect of gladius [35]. 



Plate VII. — Fig. 1. — Abraliopsis scintillans 9 , dorsal view of cotype, nearly 

 natural size; [147]. 



Fig. 2. — Ventral view of same, same scale. 



Fig. 3. — Abraliopsis scintillans 9 , dorsal view of type, same scale as pre- 

 ceding; [147]. 



Fig. 4. — Ventral view of same, same scale. 



Plate VIII. — Fig. 1. — Abraliopsis scintillans 9 , dorsal view of specimen from 



Misaki, nearly natural size; [279]. 

 Fig. 2. — Ventral view of same, same scale. 

 Fig. 3. — Abraliopsis scintillans 9 , dorsal view of another specimen from 



Misaki, same scale as preceding; [279]. 

 Fig. 4. — Ventral view of same, same scale. 



Plate IX. — Fig. 1. — Abraliopsis scintillans 9, tip of left ventral arm, outer 



aspect, much enlarged; [147]. 

 Fig. 2. — Abraliopsis scintillans 9, left eye of type, lateral aspect; much 



enlarged; [147]. 

 Fig. 3. — Abraliopsis scintillans 9 , right eye of type, ventral aspect showing 



arrangement of photophores; same scale as preceding; [147]. The 



eyeball has protruded itself through the lid opening. 

 Fig. 4. — Abraliopsis scintillans 9, inner aspect of left ventral arm; X 4; 



U 47 l- 

 Fig. 5. — Abraliopsis scintillans 9 , funnel of cotype laid open from below 



to show the funnel organ; X 5; [147]. 



