200 Bulletin Vanderbilt Marine Museum, Vol. VI 



the longer, the inner apex the wider and thicker basally; both 

 apices are decidedly divergent, with acute curved tips. 



References: Gnathophyllum americanum, Guerin, de Mene- 



VILLE, in La Sagra's Hist. Nat. Cuba, t. VII, 1857, p. 20; 



Atlas, vol. VIII, pi. 2, fig. 14. — Rathbun, M. J., Rept. U. S. 



Bur. Fish., vol. XX, 1900, pi. 2, p. 126 (issued 1901).— Ver- 

 ^ rill, a. E., American Jrn. Sci., vol. XI, 1901, p. 328; Trans. 



Conn. Acad. Arts and Sci., vol. XI, 1901, p. 20; Ibid., vol. 



XXVI, 1922-24, p. 150, pi. 16, fig. 7, pi. 41, fig. 3, pi. 46, figs. 



1, Ik, pi. 48, figs. 5, 5a. — Stebbing, T. R. R., Ann. Durban 



Mus., vol. II, 1917-20, p. 275. 

 Gnathophyllum fasciolatum, Stimpson, W., Proc. Acad. Nat. Sci. 



Phila., vol. XII, 1860, pp. 28, 97.— HASVirELL, W. A., Cat. 



Austral. Stalk and Sessile-Eyed Crust., 1882, p. 181. — 



Edmondson, C. H., Bull. B. P. Bishop Mus., vol. V, 1923, 



p. 30. 



Gnathophyllum zebra, Richters, F., in Mobius, K. A., Meeres- 

 fauna Mauritius u. Seychellen, 1880, p. 161, pi. 17, figs. 18, 

 20, 22. 



? Gnathophyllum pallidum, Ortmann, A., Zool. Jahrb. Abth. Syst., 

 Bd. V, 1890, p. 537. 



Family: CRANGONIDAE 



Genus: PONTOPHILUS Leach 

 Pontophilus vanderbilti, new species 



Plate 55 



Type : One ovigerous female, dredged in 140 fathoms, in Flores 

 Strait, near Larantuka Village, Flores Island, October 22, 1931. 



Distribution : Restricted to the type locality. 



Material examined : Type. 



Technical description : The present species finds its near- 

 est congener in Pontophilus japonicu^ Doflein, which it closely 

 resembles in the rostral formation and also in the ornamentation 

 of the four posterior segments but from which it is unquestion- 

 ably distinguished by: the different arrangement of carinae on 

 the carapace and the differently shaped and toothed antennal 

 scaphocerite. Pontophilus vanderbilti is also near P. incisus 



