^ 230. THE CEPHALOPODA. 269 



d'ls, as well as the females on which they are found, will admit the cor- 

 rectness of the preceding statement, and, also, must have perceived the very 

 remarkable abortiveaess of the males of Argonauta and TremoctopusP^ 



Family: Nautilina, 



Genera : Nautilus, Spirula. 



Family : Octopoda. 



Genera : Argonauta, Tremoctopus, Octopus, Eledone. 



Family : Loligina. 



Genera : Sepia, Loligo, Onychoteuthis, Sepioteiithis, Ommastrephes, Loli' 

 gopsis [Perothis), Crauchia, Rossia, Sepiola. 



BIBLIOGRAPHY. 



Swammerdamvi. Zerajliederung der spanischen Seekatze (Sepiae mariss, 

 in the Bibel der Natur. ^Leipzig, 17.52, p. .346, Taf L.-LII. 



Needham. An Account of some new Microscopical Discoveries. Lon- 

 don, 1745, or the same in French. Leide, 1747. It contains the anatomy 

 of Loligo vulgaris. 



Cuvier. Memoire sur les Cephalopodes et leur Anatomie, in the Mem. 

 sur les Mollusques, loc. cit. PI. L-IV. 



Brandt. Medizin. Zool. XL p. 298, Taf XXXL-IL 



Owen. Memoir on the pearly Nautilus. London, 18.32 (in the IsiSj 

 1835, p. 1, or in the Ann. d. Sc. Nat. 18.33, XXVIII. p. 87). Also 

 description of some new and rare Cephalopoda, in the Trans, of the Zool. 

 Soc. II. 1841, p. 103 ; and the Art. Cephalopoda, in the Cyclopaedia of 

 Anatomy, I. p. 517 ; also the twenty-third of the Hunterian Lectures, on 

 Cephalopods with chambered shells, 1843, 



Grant. On the structure and characters of Lollgopsis, in the Trans, of 

 the Zool. Soc. I. 1835, p. 21, PI. II. ; also on the Anatomy of the Sepiola 

 vulgaris. Ibid. p. 77, PI. XI. (in Isis, 1836, p. 389, Taf X.fig. 4-10). 



Rathke. Perothis, ein neues Genus der Cephalopoden, in the Mem. 

 presentes ä I'Acad. imper, de St. Petersberg, II. 183-5, p. 149, Taf I. II. 



Van Beneden. Mem. sur I'Argonaute, in the Nouv. Mem. de I'Acad. 

 Koy. des Sc. et belles-lettres de Bruxelles, XL 1838, or in the Exer. zoot. 

 Fasc. I. 1839, PI. I.-V. 



Ferussac and D'Orbigny. Hist. nat. gen. et particuliere des Mol- 

 lusques. Cephalopodes acetabuliferes. Paris, 1834. 



Valenciennes. Nouv. Kecherch. sur le Nautile flambe, in the Arch, du 

 Museum d'hist. nat. II. 1841, PI. VIII.-XI. 



Kolliker. Entwickelungsgeschichte der Cephalopoden. Zürich, 1844. 



3 I am indebted to Kolliker for the examination have been preserved in alcohol a long time, yet I 



of these individuals of Hectocotylus tremocto- was able to assure myself of the correctness of 



podis, of which. I found two in one and the same many of Kdlliker^s statements, and thereby to be 



cavity of the mantle of a female. Although they convinced of the real nature of these animals.* 



* [ § 230, note 3.] See my note below under § 261, note 6. — Ed. 



2Z* 



