No. 115.] 31 



By Exchange. 

 New York State Museum of Natural History : 



9th, 10th (2 copies), 11th (3 copies), 14th, 15th, 16th 

 (2 copies), 22d and 31st Ann. Reps. 



Natural History of New York : 



Geology 4th Dist. : Palaeontology, vol. I. 



Geology of 1st Dist., 2d Dist., 3d Dist. and 4th Dist., or 

 pts. I-IV (2 copies). 



Geology of 2d and 3d Dists. 

 List of palaeozoic fossil insects ot United States and Canada. 

 Geological Survey of Illinois, 7 vols. 

 Geological Survey of Illinois, vol. III. 



New York Academy of Sciences: Annals III, No. 9, Decem- 

 ber, 1885. 

 New York Academy of Sciences : Trans., v. Nos. 1, 2, 3, 



4 and 5, January and February, 1886. 

 American Museum of Natural History : Bull., vol. I, No. 7. 

 American Museum of Natural History: Ann. Rep. of Trustees 



for 1885. 

 American Geographical Society : Bull., No. 2, 1885. 

 American Geographical Society: 1882, No. 6; 1883, No. 7; 



1884, No. 5. 

 New York Microscopical Society : Jour., vol. I, Nos. 8, 9 ; vol 



II, Nos. 2, 3, 4, 5, 6, 7. 

 Torrey Botanical Club : Bull., Nos. 2, 3,4, 5, 6, 7, 8, 9, 10, 11. 

 Yassar Brothers Institute : Trans., vol. Ill, pt. 1. 

 Johns Hopkins University : Studies from Biological Laboratory, 



vol. Ill, Nos. 6, 8. 

 Cincinnati Society Natural History: Jour., vol. VIII, No. 4; 



vol. IX, Nos. 1, 2, 3. 

 Brookville Society of Natural History : Bull., No. 2. 

 Washburn College Laboratory: Bull., vol. I, Nos. 5, 6. 

 Davenport Academy of Sciences: Proc, vol. IV. 

 Peabody Academy of Science : Methods of Arrow-Release, Morse. 

 Canadian Institute : Proc, 3d series, vol. Ill ; Fasc, 4, vol. 



IV, No. 1. 

 Canadian Record of Science ; vol. II, Nos. 3, 4. 

 Royal Societyof Canada : Proc. and Trans., vol. III. 

 Rio de Janeiro : Archivios de Museo Nacional, vol. VI. 



