IV. A List of Papers which have been published in the year 1890 by the Naturalists who have occupied Tables at the Zoological Station.

Die Functionen des Centralnervensystems der wirbellosen
Thiere. Sitz.-Ber. K. Preuss. Akad. Wiss.,' Berlin,
1890.

Neue Radiolarienstudien.Mitth. Verein Schleswig-Holst.
Aerzte,' 1890.

Ein geschlechtlich erzeugter Organismus ohne mütterliche
Eigenschaften. 'Sitz. - Ber. Ges. f. Morphologie u.
Physiologie,' München, Bd. 4, 1890.

Zellen-Studien, Heft 3, Ueber das Verhalten der chromo-
tischen Kernsubstanz, etc. 'Jena. Zeitschr. f. Naturw.'
Bd. 24, 1890.

Ueber die Niere des Amphioxus.
Wochenschr,' No. 26, 1890.

6 Münch. med.

Die Entstehung der Vacuolen in den Fortpflanzungszellen
der Algen. 'Jahrb. f. wiss. Botanik,' Bd. 21, 1890.
Monadines et Chytridiacées Parasites des Algues du
Golfe de Naples. Arch. de Biologie,' t. 10, 1890.
Pseudobranchellion Margói (Nova familia Hirudinearum).
'Aerztl. naturw. Bericht des ländl. Museumvereins in
Siebenbürgen,' 1890.

Specie nuove e poco conosciute di Crostacei decapodi del
Golfo di Napoli. Boll. Soc. Nat. Napoli,' 1890.
Morfologia dell' apparecchio sessuale femminile, glandole
del cemento e fecondazione nei Crostacei decapodi.
Mitth. Zool. St. Neapol,' Bd. 9. 1890.

Der Heliotropismus der Nauplien von Balanus perforatus
u. die periodischen Tiefenwanderungen pelagischer
Thiere. 'Biol. Centralblatt,' Bd. 10, 1890.

Contributo alla conoscenza di alcune forme nucleolari.
'Boll. Soc. Nat. Napoli,' 1890.

Contributo alla fisiopatologia del midollo delle ossa. Ibid.
On the swimming bladder and flying powers of Dactylo-
pterus volitans. Proc. R. Soc. Edinburgh,' vol. xvii.
1889-90.
Influenzastudien.

'Centralbl. f. Bacteriologie u. Parasi-
tenkunde,' Bd. 7, 1890.

Contributo alla conoscenza delle gregarine. Rendic. Acc.
Lincei,' (2) vol. 5, 1889.

Sullo sviluppo dei Myxosporidi. Boll. Soc. Nat. Napoli,'
1890.

ON THE ZOOLOGICAL STATION AT NAPLES.

Dr. W. v. Schröder

Prof. G. v. Koch

La parentela dei Coccidi colle gregarine. Ibid.
Weitere Untersuchungen über den Heliotropismus der
Thiere, etc. 'Arch. f. d. ges. Physiologie,' Bd. 47,
1890.
Untersuchungen zur physiol. Morphologie der Thiere; I.
Ueber Heteromorphose. Würzburg, 1890.

Sullo spostamento postembrionale della cavità addominale
nei Teleostei. Mitth. Zool. Station, Neapel,' Bd. 9,

1890.

Cellulose-Reaction bis Arthropoden u. Mollusken. Ibid.
Ueber das Leuchten der Sapphirinen. Ibid.

Das optische Verhalten markhaltiger u. markloser Nerven-
fasern. Ber. Sächs. Ges. Wiss.' 1890.

Ueber Halocypriden. Zool. Jahrb.' Bd. 5, 1890.
Neue Cypridiniden. Ibid.

Ueber die Harnstoffbildung der Haifische. Zeitschr. f. physiol. Chemie.' Bd. 14, 1890.

Die systematische Stellung von Sympodium coralloides. 'Zool. Jahrbücher,' Bd. 5, 1890.

Ulteriori ricerche sugli Streptococchi delle Mucose, etc. 'Giorn. intern. Scienze Med.' anno 12, 1890.

Sulla presenza di larve di Ditteri nell' Intestino di alcuni fabbricanti di Massana.

Ibid.

Le tenie dei polli di Massana. Ibid.

Prof. N. Kastschenko Ueber den Reifungsprocess des Selachiereies. Zeitschr.

f. wiss. Zool.' Bd. 50, 1890.

Di una forma teratologica di Bothriocephalus microcepha-
lus, Rud. Boll. Soc. Nat. in Napoli,' 1890.
Note elmintologiche. Ibid.

Excretory Tubules in Amphioxus lanceolatus.
Journ. Micr. Science,' vol. 31, 1890.

Bacteriologische Studien über den Auswurf.

Archiv,' Bd. 122, 1890.

'Quart.

'Virchow's

Untersuchungen zur Entw. Gesch. der Distaplia magnilarva, etc. 'Mitth. Zool. St. Neapel,' Bd. 9, 1890. Untersuchungen über die Anatomie u. Histologie der Gattung Phoronis. Zeitschr. wiss. Zool.' Bd. 51, 1890. Contribuzione allo studio delle ciglia dei Batterii, etc. 'Rivista d'Igiene e Sanità Pubblica,' anno 1, 1890.

V. A List of Naturalists, &c., to whom Specimens have been sent from the end of June 1890 to the end of June 1891.

Report of the Committee, consisting of Professor A. C. HADDON, Professor W. A. HERDMAN, and Mr. W. E. HOYLE (Secretary), appointed for improving and experimenting with a Deep-sea Tow-net, for opening and closing under water.

THE Committee have devised and had constructed an improved form of the apparatus for opening and closing the tow-net by an electric current, which will be exhibited at the forthcoming meeting of the Association. Their efforts to obtain an opportunity for experimenting in deep water have not been successful, and hence the money destined for the purchase of an electric cable of considerable length has not been expended. The Committee suggest that they should be reappointed, and a sum of 401. (including an unspent balance of 271. 14s. 6d., which has been returned to the Treasurer) should be intrusted to them.