184 PROCEEDINGS OF THE ACADEMY OF [1895. 



Egeon loricatus Risso, Hist. Nat. Europ. mend.. V. 1826, p. r>s. 



Crangon cataphractus (Oliv.) Milne-Edwards, Hist. Nat. Crust., II, 1837, p. 



343, and Atlas in Cuvier, Eegn, anini. pi. 51, fig. 3 (no date). Heller, 



Crust, siidl. Europ., 1863, p. 230, pi. 7, fig. 12-15. Miers, Annal. Mag. 



Nat. Hist. (5) VIII, 1881, p. 365. Carus, Prodrom. faun, medit,, I, 1884, p. 



482. 

 Aegeon cataphractus (Oliv.) Ortmann, Zoolog. Jahrb., V, 1890, p. 535. 



Geographical distribution: Mediterranean Sea (Kisso, Milne- Ed- 

 wards, Heller, Carus); Senegambia (Miers). 



2. Pontophilus bengalensis (Wood-Mason and Alcock) 1891. 



Crangon bengalensis Wood-Mason and Alcock, Ann. Mag. Nat. Hist. (6) 

 VIII, 1891, p. 360. Alcock and Anderson, Journ. Asiat. Soc. Bengal, vol. 

 63, 2, 1894, p. 152. 



Geographical distribution: Indian Seas, 107-276 fath. (Wood- 

 Mason, Alcofck, Anderson). 



3. Pontophilus andamanensis (Wood- Mason and Alcock) 1891. 

 Crangon andamanensis Wood-Mason and Alcock, ibid. 



Geographical distribution: Indian Seas, 188-220 fath. (Wood- 

 Mason and Alcock). 



* 



4. Pontophilus echinulatus (M. Sars) 1861. 



Crangon echinulatus M. Sars, Forh. Vid. Selsk., Christiana, 1861, p. 29, pi. 3, 



fig. 48-64. G. O. Sars, Arch. Math. Naturv., II, 1877, p. 339. Henderson, 



Decap. Schiz. Firth of Clyde, 1886, p. 33. 

 Crangon serratus Norman. Eep. Brit. Assoc, 31 meet., 1862, p. 151. Norman, 



ibid., 38 meet., 1869, p. 265. 

 Cheraphilus echinulatus (M. Sars). G. O. Sars, Forh. Vid. Selsk., Christiana, 



1887, No. 18, p. 44. G. O. Sars, Den Norsk. Nordh. Exped., Zool., Crust., 



II, 1886, p. 7. 



Geographical distribution : Norway, 80-150 fath. (M. Sars, G. 



0. Sars); Shetland Islands (Norman); Scotland: Loch Fyne, 105 

 fath. (Henderson). 



5. Pontophilus spinosus Leach, 1815. 



Tontophilus spinosus Leach, Malacostr. Podophth. Brit., 1815, pi. 37, A. 

 Ortmann, Zoolog. Jahrb., V, 1890, p. 534. 



Crangon catapractus Milne-Edwards. Hist. Nat. Crust,, II, 1S37. p. 313 (pro 

 parte). 



Crangon spinosus (Lch.). Bell, Brit. Crust., 1853, p. 261. Heller, Crust, 

 siidl. Europ., 1863, p. 229, pi. 7, fig. 16. Carus. Prodrom. faun, medit,, I, 

 1884, p. 482. Henderson, Decap. Schiz. Firth of Clyde, 1S86, p. 32. 



Geographical distribution : European Seas. — From Norway and 

 Sweden to the Mediterranean Sea, to about fifty fath. (see Ortmann, 



1. a). 



6. Pontophilus norvegicus (M. Sars) 1861. 



Crangon norvegicus M. Sars, Forh. Vid. Selsk., Christiania, 1861, p. 183. 



M. Sars, Nyt. Magaz. f. Naturvid. 1861, p. 248. does, Ot'v. K. Vet. Akad. 

 Forh., 1863, p. 173. 



