Boone, Crustacea, Cruises of "Eagle" and "Ara," 1921-28 139 



on the outer side at the termination of the thickened outer lateral 

 margin. 



The first legs have the fingers longer than the palm; in the larger 

 second legs the fingers are about equal in length to the palm. The 

 third, fourth and fifth pairs of legs are monodactyl, each with the 

 propodus greatly elongated and furnished on the inner lateral margin 

 with a series of tufts of exceedingly stiff bristles ; the dactyl is about 

 one-third the length of the propodus, curved, acuminate. 

 Synonymy. — Palaemon tenuicornis Say, Journ. Acad. Nat. Sci. 



Phila., vol. I, p. 249, 1818.— Hay and Shore, BuU. U. S. Fish. 



Bur., vol. 35, p. 392, pi. 27, fig. 6, 1918. 

 Palenion tenuirostre H. Milne Edwards, Hist. Nat. Crust., vol. II, 



p. 393, 1837. 

 Palaemon tenuirostris Spence Bate, Eept. Voy. "Challenger," Zool., 



vol. 24, p. 784, 1888. 

 Palaemon nataior H. Milne Edwards, op. cit., p. 393. 

 Palaemon nataior Goodsir, Ann. and Mag. Nat. Hist., vol. XV, p. 74, 



pi. vii, fig. 3, 1845.— White, List Crust. Brit. Mus., p. 77, 1847. 



—Dana, U. S. Explor. Exped. Crust., p. 588, 1852 ; Atlas, pi. 38, 



figs. 11-lla, 1855. — Heller, Crust. Sudl. Europe, p. 268, pi. 9, 



figs. 11, 12, 1863.— Spence Bate, op. cit., vol. 24, p. 784, pi. 128, 



figs. 6 and 7, 1888. 

 Leander erraticus Desmarest, Ann. Soc. Entom. de France, ser. II, 



vol. 7, p. 92, text fig., 1849. 

 Leander natator Stimpson, Proc. Acad. Nat. Sci. Phila., p. 40, 1860. 

 Leander tenuicornis Kingsley, Bull. Essex Inst., vol. X, p. 66, 1878. — 



S. I. Smith, Trans. Conn. Acad. Arts and Sci., vol. 5, p. 122, 



1879.— Rankin, Ann. New York Acad. Sci., vol. 12, p. 538, 1900. 



— Stebbing, Trans. Royal Soc. Edinburgh, vol. 1, pt. 2, No. 9, 



p. 288, 1914. — Verrill, Trans. Conn. Acad. Arts and Sci., vol. 



26, p. 143, pi. 43, figs. 4, 4a, 1922. 

 Pandalus tenuicornis Rankin, Ann. N. Y. Acad. Sci., vol. 12, p. 544, 



1900. (Error for Palaemon.) 



Leander squilla (Linne). 



Plate 48. 



Type : Linnaeus ' type came from the Scandinavian coast. 



Distribution: Known from the west and southern coasts of the 



Scandinavian peninsula, Denmark, the British Isles, the northern 



coasts of France, the Hispanic Peninsula, the Mediterranean and 



Adriatic Seas, the Black Sea, the Azores, the Canary Isles, Madeira 



