XXVIII.—Zoologico-embryological investigations

References

• As regards the other Cephalopoda, it is confirmed by my investigations; and consequently Kölliker's (l. c. p. 99) and Hensen's Zeitschr. für wiss. Zool. xv 183 183 Statements prove to be erroneous.
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• At the end of the second and during the third period the cells in the middle of the solid branchial rudiments gradually become loosened, and tortuous reticulated ducts are produced in which the branchial arteries and veins with their numerous ramifications are formed (see Van Beneden Zeitschr. für wiss. Zool. xv 9 9 Kölliker, l. c. p. 89; Metschnikoff, l. c. p. 61).
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• Zeitschr. für wiss. Zool. , xv 60 – 60 .
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• Zeitschr. für wiss. Zool. , xv 7 – 7 . fig. 9
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• Zeitschr. für wiss. Zool. , xv 35 – 35 .
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• In general my observations on the development of the auditory organs agree with the results obtained by Metschnikoff' in Sepiola Zeitschr. für wiss. Zool. xv 49 53 but differ materially from those of Kölliker (l. c. p. 168).
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• Mém. de l'Acad. de St. Pétersh , xi pl. i. fig. 6, and pl. ii. fig. 20.
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• Mém. de l'Acad. de St. Pétersh , x pl. i. figs. 10, 16.
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• 1868 . Götting. Nachr. , : 154 – 154 . et seqq. Observations on the Development of the Cœlenterata (in Russian), 1873, pls. ii., iii., iv., vi.
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• 1874 . Observations on the Development of the Brachiopoda (in Russian) , pl. i. figs. 3, 10.
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• Mém. de l'Acad. de St. Pétersb. , xvi pls. i., vi. See also the above-cited memoir of Bobrezky's, pl. i. figs. 1–8.
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• Mém. de l'Acad. de St. Pétersb. , xvi 86 – 86 .
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• Mém. de l'Acad. de St. Pétersb. , xvi 64 – 64 .
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• Van Beneden . Mém. de l'Acad. de St. Pétersb. , xvi 8 – 8 . Delle Chiaje, Mem. 2nd edit. tome i. p. 40.
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• Van Beneden . Mém. de l'Acad. de St. Pétersb. , 93 – 93 .
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• Van Beneden . Mém. de l'Acad. de St. Pétersb. , 58 – 58 . 67
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• Van Beneden . Mém. de l'Acad. de St. Pétersb. , 61 – 61 . 87, 167.
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• See the already cited remarkable memoir by Kowalevsky Mém. de l'Acad. de St. Pétersb. xvi 19 19 pl. v., and p. 24, pl. vii.; also Bobrezky's memoir, pl. iii.; M. Ganin, Warschauer Universitätsberichte, 1873, i.; and Bericht für Anat. und Physiol. 1873, p. 360.
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• Mém. de l'Acad. de St. Pétersb. , xvi 41 – 41 . 67
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• Mém. de l'Acad. de St. Pétersb. , xvi 37 – 37 .
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• Bronn's Klassen und Ordn. , iii 1324 – 1324 . Abth. ii
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• Beitr. zur vergl. Histol. , 70 – 70 . pl. iii. figs. 40 & 41.
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• Beitr. zur vergl. Histol. , 39 – 39 . et seq.
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• Beitr. zur vergl. Histol. , 107 – 107 . et seq.
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• Beitr. zur vergl. Histol. , 53 – 53 .
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• 1869 . Bull. Soc. Imp. Nat. Mosc. , : 87 – 87 . pl. i.
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