THE MOUNT DESERT REGION 223 



Tribe HARPACTICOIDA 

 Subtribe ACHIROTA 



Longipediidae 

 LoNGiPEDiA Clans 

 L. coRONATA Glaus. (G. 0. Sars, 1903b, p. 10, pis. 3, 4.) 

 Taken on mud flats at low water, only on the west side of 

 the island. Stations: S 25, 41. 



Ectinosomatidae 

 EcTiNOsoMA Boeck 

 E. PRoxiMUM G. 0. Sars. (G. 0. Sars, 1919, p. 23, pi. 15, 

 fig. 1.) Taken once in mud, depth about 60 feet. Station: 

 D91. 



MiCROSETELLA Brady and Robertson 



M. NORVEGicA (Boeck). (G. 0. Sars, 1904, p. 44, pi. 24.) 

 Taken in surface tows, sometimes very abundant close to 

 shore. Rather rare in July. Stations: P 4-6, 10. 



Subtribe CHIROGNATHA 



Harpacticidae 

 Zaus Goodsir 

 Z. ABBREviATus G. 0. Sars. (G. O. Sars, 1904, p. 58, pi. 32.) 

 Taken once at low water. The first American record. Sta- 

 tion: S34. 



Peltidiidae 

 Alteutha Baird 

 A. PURPUROCiNCTA Normau. {depressa G. 0. Sars, 1904, 

 p. 64, pi. 38.) Not uncommon on algae from low water to 57 

 feet. Stations : D 35, 92, 93 ; S 33. 



Thalestridae 



Parathalestris Brady and Robertson 



P. jACKSONi (T. Scott). (T. Scott, 1899, p. 109, pi. 8. figs. 



3-9; G. 0. Sars, 1905, p. 114, pi. 69.) The examples I have 



examined agree perfectly with Scott's figures, but show a 



