116 PROCEEDINGS OF THE ACADEMY OF [1893. 



167 & 264. (4a & 3d) No locality. Smithsonian Institution. 

 265. (Id) Coast of Massachusetts. Dr. T. H. Streets. 



H. gaimardii H. Milne-Edwards, 1837. 

 H. gibba Kroeyer, 1842. 



Habitat. Circumpolar. 



150. (la) Lat. 46°, 09', 30" N., Long. 49°, 48', 30" W. 39 fathoms ; 

 U. S. Fish Commission, 1885. 



155. (4 a) Spitzenbergen. Guerin Collection (Guerin mss. type, 



H. Roberiii). 

 257. (Id) Maine coast. Dr. J. H. Slack. 



H. gibberosus H. Milne-Edwards, 1837. 



H. gibbosus Dana, 1852. 

 Habitat. Pacific region. 



165. (la) Oahu, Sandwich Islands. Dr. W. H. Jones, 1874. 



175. (2a) ? South Pacific. No donor's name. 



H. groenlandica (J. C. Fabricius, 1775). 

 Astacus groenlandica J. C. Fabricius, 1775. 

 Cancer aculeatus O. Fabricius, 1 780. 

 Alp hem aculeatus Sabine, 1821. 

 H. aculeata Owen, 1835. 



H. armata Owen, 1839. . 



H. cornuta Owen, 1839. 



Habitat. Circumpolar. 



151. (3a) Marmot Isles, Alaska, 45 fathoms. Dr. W. H. Jones. 



152. (la) No locality. No donor's name. 



153. (la) Godhaab, Greenland. Dr. Hayes' Expedition. 



H. lilljeborgii Danielssen, 1861. 

 H. securifrons Norman, 1863. 



Habitat. North Atlantic. 



146. (la) Lat. 42°, 41', 00" N., Long. 64°, 55', 30" W. 62 fathoms ; 

 U. S. Fish Commission, 1885. 



H. lineata Lockington, 1876. 



Habitat. Coast of California. 



174. (3a) San Diego, California. Joseph Jeans. 



H. marmorata (Olivier, 1811). 



Palaemon marmoratm Olivier, 1811. 

 Alpheus marmoratm Lamarck, 1818. 



Habitat. Pacific region. 



148. (la) Samoan Islands. J. S. Kingsley (in exchange). 

 161. (2a) ? South Pacific. No donor's name. 



