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Proceedings. Yol. 8. P. 2, 3. Cambr. 1894. 8. 
Transactions. Yol. 15. P. 4. Cambr. 1894. 4. 
Dublin. Royal Dublin society. 
The scientific transactions. Ser. 2. Yol. 4 No. 14. Yol. 5 No. 1 — 4. 
Dublin 1892, 93. 4. 
The scientific proceedings. N. S. Yol. 7 P. 5. Yol. 8 P. 1, 2. 
Dublin 1892, 93. 8. 
Royal Irish academy. 
Proceedings. Ser. 3, Yol. 3, No. 1, 2. Dublin 1893, 94. 8. 
The transactions. Yol. 30, P. 5 — 14. Dublin 1893, 94. 4. 
Edinburgh. Royal society. 
Transactions. Yol. 37, P. 1, 2. Edinb. 1893. 4. 
Proceedings. Yol. 19. Edinb. 1893. 8. 
London. Royal society. 
Transactions, philosophical. Yol. 184 A, B. London 1894. 4. 
The R. society. 30. Nov. 1893. 4. 
Proceedings N. 328—339. London 1893, 94. 8. 
Nature, a weekly illustr. journal of Science. N. 1262 — 1314. London 
1894. 4. 
Manchester. Literary and philos. society. 
Memoirs and proceedings. Ser. 4. Yol. 7. P. 2, 3; Yol. 8. P. 1, 2, 3. 
Manchester 1893, 94. 8. 
Holland. 
Amsterdam. K. Akademie. 
Yerhandelingen. Eerste Sectie. Deel 1, No. 1 — 8 (ausser 7). Deel 3, 
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Jaarboek voor 1893. Amsterd. 8. 
G- ent. Kruitkundig genootschap Dodonaea. 
Bot. Jaarboek Jhrg. 6. 1894. Gent 1894. 8. 
Haarlem. Hollandsche maatschappij. 
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Teylers stichting. 
Archives du musee Teyler. Sdr. 2. Yol. 4, P. 2. Haarlem 1894. 8. 
Leiden. Nederland. Deerkund. Yereeniging. 
Tijdschrift Ser. 2. Deel 4, Afh 2, 3. Leiden 1894. 8. 
