— 8 — 



20. Ortmann Dr. A. — A Study on the systematic and Geographìcal Distri- 

 buitoti of the Becapod 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. — Description of new species of American freshwater 

 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. xviii, pag. 349. 



24. Saussure H. — Mèmoire sur divers crustacès nouveaux ou peu connus 

 des Antilles et du Méxique. — Mém. Soc. Phys. Hist. Nat. Genève, 1858, 

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25. Smith S. I. — Notice on the Crustacea collected by Prof C. F. Hartt 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. 

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

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

 pag. 145. 



10806 - Tip. Lecco, Gerbone & Delleani - Torino. 



