Boone, Crustacea, Cruise of "Alva," 1931 197 



References : Rhyncydu^ mu/^ronatu^, Stimpson, W., Proc. Acad. 



Nat. Sci. Phila., vol. XII, 1860, p. 28. 

 Latreutes mucronatu^, Doflein, F., Abhandl. Bayerisch. Akad. 



Wiss., Bd. XXI, 1902, p. 638, pi. 5, fig. 6.— Balss, H., Beitr. 



Naturges. Ostasiens Decapoda II, Abh. d. II, Kl. d. K. Akad. 



d. Wiss. II, Suppl. Bd. X, Abh. 1913, p. 47, text fig. 27.— 



Kemp, S., Records Indian Mus., vol. X, 1914, p. 101, pi. 3, figs. 



8-15, pi. 4, fig. 12; Ibid., vol. XII, 1916, p. 396.— Balss, H., 



K. Svensk. Vet.-Ak. Handl. Stockholm, Bd. LXI, no. 10, 1921, 



p. 10. 



Latreutes gravieri, Nobili, G., Bull. Mus. Nat. Hist. Nat. Paris, 

 t. X, 1904, p. 231 ; Bull. Sci. France et Belg., t. XL, 1906, p. 

 39, pi. 3, figs. 5-5a. 



Latreutes mucronatus variety multidens, Nobili, G., op. cit., 1906, 

 p. 41, pi. 2, fig. 3. 



Family: GNATHOPHYLLIDAE 



Genus: GNATHOPHYLLUM Latreille 

 Gnathophyllum americanum Guerin de Meneville 



Plate 54 



Name : Zebra shrimp ; banded shrimp. 



Type : Guerin de Meneville's type came from Cuba and is de- 

 posited in Poey Museum, Havana. 



Distribution : This minute species is tropicopolitan. It has 

 been recorded from Bermuda Islands (G. B. Goode, J. M. Jones* 

 collections, also A. E. Verrill) ; Cuba (Guerin de Meneville) ; 

 Porto Rico, Gulf of Mexico, 26-27 fathoms (M. J. Rathbun) ; Bluff, 

 Natal South Africa (Stebbing) ; Mauritius (Richters) ; Port 

 Jackson, Australia (Stimpson, Haswell) ; Tahiti (Or-tmann, 

 Boone) ; Hawaiian Islands, Albatross Station 3921, south coast 

 of Oahu Island (Rathbun) ; Palmyra Island (Edmondson). 



Material examined: One specimen taken on Venus Point 

 Reef, Tahiti, Society Islands, August 15, 1931. 



Colour : This species possesses widely varying color patterns. 

 A typical West Indian specimen described by Dr. Verrill had 

 the following pattern : "In life the (ground) color is white, crossed 

 by ten or more conspicuous, narrow, orange bands, some of which 

 are incomplete. The bands are formed of small, close specks of 



