284 COLLECTIONS FROM MELAITESIA. 



5. Alpheus edwardsii. 



Athanasus edwardsii, Audouin, Explic. planches de Savigny, Descript. 



de I'Egypte, Atlas, pi. x. lig. 1 (1809). 

 Alpheus heterochelis, Say, Journ. Acad. Nat. Sci. Philad. i. p. 243 



(1818) ; M.-Edw. Hist. Nat. Crust, ii. p. 356 (1837) ; De Kay, 



Crustacea in Zool. New York Fauna, p. 26 (1844) ; CHbbes, Proc. 



Ainer. Assoc. Advanc. Sci. p. 196 (1850) ; Kingsley, Bull. U.S. 



Geol. and Oeogr. Survey, iv. (No. 1) p. 194 (1877) ; Smith, Trans. 



Conn. Acad. Sci. ii. pp. 23, 39 (1869) ; Lockington, Ann. Sf Mag. 



Nat. Hist. ser. 5, i. p. 47o (1878). 

 ? Alpheus armillatus, M.-Edw. Hist. Nat. Crust, ii. p. 475 (1837). 

 Alpheus neptunus, tiiton, rhode, and amphitrite. White, List Crust. 



Brit. Mus. p. 74 (1847), descr. nulld. 

 Alpheus doris, White, t. c. p. 75 (1847), descr. nulld. 

 Alpheus avarus, De Haan {nee Fabricius), Crust, in Fauna Japonica, 



p. 179, pi. xlv. fig. 3 (1849), Alpheus bisindsus on plate. 

 Alpheus edwardsii, Dana {nee Milne-Edwards'), Crust, in U.S. Ex- 



plor. Exped. xiii. p. 342, pi. xxxiv. fig. 2 (1852) ? ; Heller, Sitzungsb. 



der Akad. Wissensch. Wien, math.-nat. Klasse, xliv. (i.) p. 267 



(1862) ; Norman, Ann. Sf Mag. Nat. Hist. ser. 4, ii. p. 174 (1868) ; 



Miers, Cr. in Zool. 'Erebus ' and 'Terror,' p. 4, pi. iv. fig. 3 (1874), 



A. neptunus on plate ; Hilgendorf, Monatsb. Akad. Berlin, p. 830 



(1878). 

 Alpheus edwardsii, var. leviusculus, Dana, t. c. p. 543, pi. xxxiv. 



fig. 3 (1852). 

 Alpheus strenuus, Dana, t. c. p. 545, pi. xxxiv. fig. 2 (1852) ; Miers, 



t. c. p. 5, pi. iv. fig. 2 (1874), A. doris on plate ; Monatsb. Akad. 



Berlin, p. 831 (1878). 

 ? Alpheus paoificus, Dana, t. c. p. 644, pi. xxxiv. fig. 5 (1852), var. ? 

 Halopsyche lutaria, Samsure, Bev. Zool. p. 100 (1857). 

 Alpheus lutarius, Saussure, MAn. Soo. Phys. et Hist. Nat. Genive, 



xiv. p. 461, pi. iii. fig. 24 (1858) ; von Martens, Arch. f. Naturg. 



xxxviii. p. 139 (1872). 

 Alpheus hisincisus (De Haan), Stimpson, Proc. Acad. Nat. Sci. 



Philad. p. 30 a860) ; Miers, Proc. Zool. Soc. p. 53 (1879). 

 Alpheiis crassimanus. Heller, Beise der Novara, Crust, p. 107, pi. x. 



fig. 2 (1865), var. ? 

 P Alpheus bispinosus, Streets, Proc. Acad. Nat. Sci. Philad. p. 242 



(1878). 

 Alpheus edwardsii and A. strenuus, De Man, Notes from the Ley den 



Museum, xxi. p. 105 (1881). 



As the very common and widely distributed species which is here 

 referred to the Alpheus edwardsii of Audouin has been designated 

 by many different specific names, it may be useful to point out its 

 most salient characters, more especially as Savigny's excellent figure, 

 by which alone the species may be easily identified, is not accom- 

 panied by any description. The rostrum is short, acute, and arises 

 from the front margin of the carapace ; on either side of it, between 

 the front and supraocular arches, a longitudinal depression extends 

 back on the dorsal surface of the carapace for a short distance, so 

 that the dorsal surface is slightly carinated. The second (exposed) 

 joint of the antennules is longer than the first. The basal scale of 

 the outer antennse scarcely reaches beyond the peduncle, and is 



