20. Ortmann Dr. A. — A Study on the systematic and Geographical Bistri- 

 bution of the Decapod family Atyidae. — Proc. Acad. Philadelphia 1894, 

 pag. 397. 



21. PococK R. J. — Contributions to our knowledge of the Crustacea of Do- 

 minica. — Ann. Mag. N. H. (6), t. 3, pag. 6. 



22. Rathbun Mary J. — Bescriplion of new species of American freshwaier 

 crabs. — Proc. U. S. Nat. Mus. 1893, voi. xvi, pag. 649. 



23. Rathbun Mary J. — The genus Callinectes. — Proc. U. S. Nat. Mus. 1896, 

 voi. iviii, pag. 349. 



24. Saussure H. — Màmoire sur divers crustacés nouveaux ou peu connus 

 des Anlilles et du Méxique. — Móm. Soc. Phys. Hist. Nat. Geqòve, 1858, 

 t. 14, pag. 417. 



25. Smith S. I. — Notiee on the Crustacea collected by Prof. C. F. Harlt on 

 the coast of Brazil. — Trans. Connecticut Acad. voi. II, pag. 1. 



26. Smith S. I. —Notes on American Crustacea. — loc. cit., pag. 113. 



27. Stimpson W. — Notes on North American crustacea. — Ann. Lyc. Nat. 

 Hist. New York, voi. vii, pag. 49, 176, voi. x, pag. 92. 



28. WiEGMANN A. F. A. — Beschreibung einiger neue Crustaceen des Berliner 

 Museum aus Mexico und Brasilien. — Arch. f. Naturg. 1836, 1 Band, 

 pag. 145. 



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