Books Received. ii 



Odessa. — Memoirs of the Society of Naturalists of New Russia. 

 Vol. 20, part 2, 1896 ; and vol. 21, part i, 

 1897. The Society. 



Oporto. — Annaes de Sciencias Naturaes. Vol. 4, nos. 2 — 4, 

 1897. The Editor. 



OsNABRUCK.-Eleventh Jahresbericht des Naturwissenschaftlichen 

 Vereins zu Osnabruck, 1897. The Society. 



Ottawa. — Annual Report of the Geological Survey of Canada. 

 Vol. 8; and Maps 585—588, 1895. Also 

 Palaeozoic Fossils. Vol. 3, part 3, 1897. 



The Director. 



Padua. — Atti della Societa Veneto-Trentina di Scienze Natu- 

 rali. Series 2, vol. 3, fasc. i, 1897. 



The Society. 



Philadelphia. — Proceedings of the Academy of Natural 

 Sciences of Philadelphia. Parts i — 3, 1897. 



The Academy. 

 Proceedings of the American Philosophical Society. 

 Nos. 153 and 156, 1897. The Society. 



Pisa. — Atti della Societa Toscana di Scienze Naturali, Processi 

 verbah. March — July, 1897. The Society. 



Rome. — Atti della Reale Accademia dei Lincei. Series 5, vol. 

 6, semestre i, fasc. 8 — 12, 1897 ; sefnestre 2, 

 fasc. I — 12, 1897 ; and vol. 7, semestre i, fasc. 

 I — 7, 1898. Also Rendiconto dell' adunanza 

 solenne del 5 Giugno, 1897. The Academy. 



BuUetino della Societa Romana per gli studi 

 Zoologici. Vol. 6, fasc. i and 2, 1897. 



The Society. 

 Rivista Italiana di Sociologia. Anno i, fasc. i and 

 2, 1897. The Editor. 



San Francisco. — Proceedings of the California Academy of 

 Sciences. Series 2, vol. 



