518 ME. H. N. EIDLET ON THE 



CAEIDEA. 



Family PA.L^MONiDiE. 

 G-enus Alpheus (Fabricius) . 



1798. Alpheus, Fabricius, Ent. Syst. Suppl. p. 380. 



1878. Alpheus, Kingsley, Bull. U.S. Geol. Surv. iv. p. 189. 



Alpheus Edwaedsii (Aud.). 



1809. Athanasus Edwardsii, Audouin, Explic. planches de Savigny, 

 Descript. de I'Egypte, Atlas, pi. x. fig. 1. 



1818. Alpheus heterochelis. Say, Journ. Acad. Nat. Sci. Philad. i. p. 243. 



1884. Alpheus Edwardsii, Miers, Rep. Crust. H.M.S. 'Alert,' p. 284. 



Twenty-nine specimens. Tliis species is common in the 

 warmer parts of the Atlantic, Pacific, and Indian Oceans, and in 

 consequence of its wide range and of the variations to which 

 individuals are subject it possesses a long list of synonyms. 

 These synonyms may be found upon reference to the above cited 

 work of Mr. E. J. Miers. 



Alpheus minoe, Say. 



1818. Alpheus minus, Say, Journ. Acad. Nat. Sci. i. p. 245. 



1837. Alpheus minus, Milne-Edwards, Hist. Nat. Crust, ii. p. 356. 



1878. Alpheus minus, Kingsley, Bull. U.S. Geol. Geogr. Surv. iv. p. \90. 



One specimen. 



This species occurs upon the east aud west coasts of America. 

 Kingsley records it from N. Carolina, Bermudas, Florida on the 

 east, and from Pearl Island Bay (Panama) on the west. 



Alpheus Eidleyi, n. sp. 



Carapace and abdominal tergites smooth ; carapace furnished 

 in front with a short pointed rostrum, which does not nearly 

 reach to the second segment of the antennular peduncle ; 

 rostrum separated by depression from the ocular hoods, each of 

 which is furnished with a spine projecting in front as far as 

 the extremity of rostrum. 



Antennular spine reaching nearly to the second segment of 

 the peduncle, which is the longest of the three, the third being 

 the shortest. 



Antennal scale as long as antennal peduncle, longer than 

 antennular peduncle ; basal segment of antenna furnished be- 

 neath with a strong spine. 



Terminal segment of external maxillipede hairy. 



First pair of legs very unequal in size. Dactylus of larger 

 hand closing vertically, with evenly rounded supero-anterior 



