404 PROCEEDINGS OF THE ACADEMY OF [1894. 



3. Caridina brevicarpalis de Man, 1892. 



De Man, in Weber, Zool. Erg., etc., II, 1892, p. 397, pi. 24, fig. 30. 

 Ortmann, Jenaische Denlischr. , VIII, 1894, p. 9. 



Geographical distribution: Celebes (de Man) ; Amboiua ( Ortmann). 



4. Caridina weberi de Man, 1892. 



De Man, in : Weber, Zool. Erg., etc., II, 1892, p. 371, pi. 22, fig. 23. 

 De Man, Not. Leyden Mas., 14, 1892, pi. 9, fig. 8. 



Geographical distribution: Sumatra; Java; Saleyer; Celebes; 



Flores (De Man). 



5. Caridina japonica de Man, 1892. 



De Man, Not. Leyd. Mus., 14, 1892, p. 261, pH 9, fig. 7. 



Geographical distribution : Japan: Kagar, Hayagana (De Man). 



6. Caridina pareparensis de Man, 1892. 



De Man, in : Weber, Zool. Erg., etc., II, 1892, p. 379, pi. 22, fig. 25. 



Geographical distribution: Celebes (De Man). 



7. Caridina timorensis de Man, 1893. 



De Man, Not. Leyd. Mus., 15, 1893, p. 300, pi. 8, fig. 6. 



Geographical distribntion: Timor (De Man). 



8. Caridina parvirostris de Man, 1892. 



De Man, in : Weber, Zool. Ergebn., etc., II, 1892, p. 375, pi. 22, fig. 24. 



Geographical distribution: Flores (De Man). 



9. Caridina richtersi Thallwitz, 1891. 



C. serrata Eichters, Beitr. Meeresf. Maur. Seych. Decap., 1880, p. 163, pi. 17, 



figs. 24-27 (nomen prieoccupatum ) . 

 C. richtersi Thallwitz, Abhandl. Mus. Dresden, 3, 1891, p. 27, foot-note. 



Geographical distribution : Mauritius (Richters). 



10. Caridina laevis Heller, 1862. 



Heller, Sitz. Ber. Acad. Wiss., Wien, 45, 1, 1862, p. 411. 



De Man, in : Weber, Zool. Ergebn., etc., II, 1892, p. 376, pi. 23, fig. 27. 



Geographical distribidion : Java (Heller, De Man). 



11. Caridina multidentata Stimpson, 1860. 



Stimpson, Proceed. Acad. Nat. Sci., Philadelphia, 1860, p. 29. 



De Man, in: Weber, Zool. Ergebn., etc., II, 1892, p. 380, pi. 22, fig. 26. 



Geographical disiribidion : Bonin Isl. (Stimpson); Celebes (De 

 Man). 



12. Caridina africana Kingsley, 1882.' 



Kingsley, Bull. Essex Instit., vol. 14, 1882, p. 127, pi. 1, fig. 3. 



Geographical distribidion : S. Africa: Zulu Land (Kingsley). 



8 Having examined the types of this species in the Museum of the Academy 

 of Nat. Sci., Philadelphia, I can give the following details : — 



Carpal .joint of the first pereiopoda twice as long as broad on the distal ex- 

 tremity, a little shorter than the hand. Fingers about equal to tlie palm. Car- 

 pal joint of the second pereiopoda four times as long as broad on the distal ex- 

 tremity, a little longer than the hand. Fingers about 1>^ as long as thepalm. 

 Dactylus of the fourth pereiopoda about 1-5 of the propodus, the fifth pereiopoda 

 are in none of the type specimens preserved. 



