THE MOUNT DESERT EEGION 253 



Gammarus J. C. Fabricius 



G. ANNULATUs Smith. (Kunkel, 1918, p. 110, fig. 27.) Taken 

 once on a beach with Idothea haltica. Station: S 27 



G. MAEiNus Leach (G. 0. Sars, 1894, p. 497, pi. 175.) Found 

 twice in rock pools in very exposed situations. Stations: 

 S 1, 12. 



G. DUEBENi Lilljeborg. (G. 0. Sars, 1894, p. 502, pi. 177, 

 fig. 1.) Abundant at shore stations and dredged once in 58 

 feet of water. This species replaces G. locusta in northern 

 New England, but has not been previously reported. Sta- 

 tions: D 70; S 1, 5-10, 12-14, 17, 19, 20, 25, 32, 33, 35. 



Carinogammarus Stebbing 



C. MUCEONATUS (Say). (Kunkel, 1918, p. 113, fig. 29.) Found 

 in a brackish bay. Station : S 10. 



Talitridae 



Orchestia Leach 



0. PLATENsis Kroyer. (Kunkel, 1918, p. 118, fig. 31.) In 

 decaying weed, above high-water mark, at Salisbury Cove, 

 Corfield, and Sand Beach. 



Talorchestia Dana 



For discussions of the specific distinctness of the following- 

 two species see Shoemaker (1930) and Kunkel (1918). 



T. MEGALOPHTHALMA (Bate). (Kuukcl, 1918, p. 125, fig. 34.) 

 T. LONGicoENis (Say). (Kunkel, 1918, p. 122, fig. 33.) Nine 

 specimens of the preceding species and 30 of this one were 

 taken at Sand Beach above tide mark. 



Hyale H. Rathke 



H. PEEvosTii (H. Milne-Edwards), {nilsonii G. 0. Sars, 

 1890, p. 26, pi. 11, fig. 1.) Found in algae about high-water 

 mark. Stations : S 1, 2, 12. 



