Additions to the Library. XXUI 



Paris. — Societe zoologique de France. 



Bulletin. XXXV. 



Memoires. XXIII. 1910. 

 Pasadkna. — Throop institute. 



Bulletin. 51-54, 56. 1911-12. 

 TASSAV.—Naturtvissenschaftlicher Verein. I— XIX, XXI, 1857—1911. 

 Perth. — Department of mines, Western Australia. 



Reports. (3). 



Annual progress report. 1910. 



Bulletin. 15, 20, 23, 31, 34, 36, 38, 39, 41. 

 Perd. — Ministerio de Fomento. 



Cuerpo de Ingenieros de Ninas. Boletin. 77. 

 Peterhead.— ^Mc/tan Club. Museum. 



Transactions. I, 2. 

 Philadelphia. — Academy of natural sciences. 



Journal. 2d ser. XIV, 3. 

 American Philosophical society. 



Proceedings. L, 199-LI, 205; General index to I-L. 



Transactions. N. S., XXII, 1-2. 

 Franklin Institute. 



Journal. Vol. 172, 2-174, 2. 1911-12. 

 Geographical Society. 



Bulletin. IX, 3-4, 1911. 

 Pietermaritzbdrg. — Natal government museum. 



Annals. II, 3. 

 Pisa. — Societa Toscana di scienze naturali. 



Atti, Memorie. XXVI-XXVII. 1910-11; Processi verbaU. 

 XX, 2-XXI, 2. 

 Pittsburg. — Carnegie museum. 



Publications. 65-66, 68-70. 

 Carnegie institute. 



Founder's Day. XVI. 1912. 

 Western Pennsylvania engineers^ society. 



Proceedings. XXVII, 6-XXVIII, 6. 

 Plymouth.— 1/arine biological association of the United Kingdom. 



Publications. II; N.S. I, 1-4; II, 1-2; III, 1-4 and special 

 number ; V-IX, 2. 1888-1911. 

 PoRTici. — B. Scuola superiore di agricoltura. 



Annali. Ser. II. T. IX. 1910. 

 Potsdam. — Astrophysikalisches Observatorium. 



Publikationen. XXII, 64-5. 

 Prag.— Dewfsc/ier naturivissenschaftlich-medizinischer Verein fUr Bbhmen. 



Lotos. LIX. 1911. 

 K. K. Stermvarte. 



Magnetische und meteorologische Beobaclitungen. 1910-11. 



