228 JOUBIN. — APPAREILS PHOTOGÈNES CUTANÉS DE DEUX CÉPHALOPODES 



advancementof Sciences held at Nottingham, in september 1893. — 

 London, 1S!»4. 



10. R. OwEN, On some new and rare Cephalapoda. Transactions 

 zoological Soc. London, 1881. 



11. — Wm. E. Hoyle, Report on the Cephalapoda coUected by. H. M. 

 S. Challenger during theyears 1873-4876. Loudou, 1886, 



12. — Verrill, The Cephaiopods oj the North Easiern Coast of 

 America. Part II. The Smaller Cephaiopods. induding Ihe « !>quids » 

 and the Octopi, with other aliied forriis. Trans. Connect. Acad., V, 

 part 2, 1881. 



13. — G. Pfeffer, Die Cephalopoden des Hamburger naturhisto- 

 rischen Muséums. Abhandlungen ans deni Gebiete der Naturwissen- 

 schaften herausgegeben von naturwissenschal'tliclien Verein in 

 Hamburg, VIll, 1884. 



