1920] LtUz and Cockerell, Notes on American Bees 637 



LlNNiECS, C. 



1758. 'Systema naturae, I.' 10th Ed. 



LOVELL, J. H. 



1898. Asa Gray BuUetin, VI, No. 4. 

 1898a. Bull. Torrey Botanical Club, XXV. 

 LovELL, J. H., and Cock rell, T. D. A. 



1906. Psyche, XIII. 



1907. Entomological News, XVIII. 

 Ltjcas, p. H. 



1856. 'Histoire Physique, Politique et Naturelle de L'isle de Cuba.' by 

 M. Ramon de la Sagra. [1857] . 

 Lrrz, Frank E. 



1916. Bull. American Mus. Nat. Hist., XXXV. 

 MacLachlan, Robert 



1878 (1877). Journ. Linnean Soc. London. Zoology, XIV. 

 Meade-Waldo, G. 



1913. Ann. Mag. Nat. Hist., (8) XII. 



1914. Ann. Mag. Nat. Hist., (S) XIII. 

 1916. Ann. Mag. Nat. Hist., (8) XVII. 



Meehan, T. 



1902. Proc. Acad. Nat. Sci., Philadelphia, LIV. 

 Meunier, F. 



1888. II Naturalista Sicihano, VII. 

 1890. Journ. sc. Lisboa, (2) II. 

 MocsAry, Alexandro 



1896. Termeszetrajzi Ftizetek, XIX. 



1897. Term^zetrajzi Fuzetek, XX. 



1898. Termeszetrajzi Ftizetek, XXI. 



1899. Termeszetrajzi Ftizetek, XXII. 



1908. Annales hist-nat. Mus. Nation. Hungarici, VI. 

 Morice, F. D. and Durrant, J. H. 



1914. Trans. Ent. Soc. London, 1914. 

 1916. Trans. Ent. Soc. London, 1916. 

 Morrill, A. W. 



1903. Canadian Entomologist, XXXV. ^ 



MiiLLER, F. 



1875. Zool. Garten, XVI. 

 Newman, E. 



1834. Entomological Magazine, II. 

 Nichols, M. L. 



1911. Psyche, XX. 

 Nylander, Wm. 



1848. Notis. Saellsk. faun. fl. Fennica, Forh. I [Adnot.]. 

 Olivier, A. C. 



1789. 'Encyclop^ie M6thodique,' Ins., IV. 

 Packard, A. S., Jr. 



1864. Proc. Essex Inst., VI. 



1869. First Rept. Peabody Acad. Sci. 



