THE MOUNT DESERT REGION 135 



from 12 to 24 segments and measures from 1 to 8 mm, long; 

 oniscoirles has 20 to 26 segments and measured 9 to 12 mm. 

 Station: D 90. 



Polynoidae 

 Harmothoe Kinberg 



H. iMBRiCATA (Linne). Mcintosh, 1900, p. 314, pi. 26, tig. 3; 

 Fauvel, 1923, p. 55, fig. 18f-l.) A species of wide distribution 

 and common throughout this Region. Found from low water 

 to 330 feet on all kinds of hard bottoms. There is a marked 

 variation in color, arrangement of papillae and cilia on the 

 elytra. A large number of specimens are only half-grown, 

 varying in size from 5 mm. to 34 mm. in length. Their breed- 

 ing season must come in the spring, for only 1 or 2 adults 

 have been taken full of germ products early in July. Sta- 

 tions: The best stations are D 19, 39, 56; S 4, 9, 11, 42. It 

 was taken in all at 55 dredging stations, 13 shore stations, 

 and P lOB. 



EuNOE Malmgren 



E. NODOSA (M. Sars). (Mcintosh, 1900, p. 292, pi. 27, fig. 9; 

 pi. 32, fig. 3; Fauvel, 1923, p. 50, fig*. 18a-e.) We have two 

 specimens, 27 and 38 mm. long, with 39 setigerous segments. 

 The elytra are thickly covered with small tubercles, which 

 become very stout and large near the posterior margin. Oc- 

 casional parasitic growths are encountered on the elytra. The 

 preserved specimens are brown. Taken on rock in 75 feet of 

 water. Station : D 94. 



Gattyana Mcintosh 



G. ciRROSA (Pallas). (Mcintosh, 1900, p. 285, pi. 25, fig. 3; 

 Fauvel, 1923, p. 49, fig. 17a-f.) We have one specimen identi- 

 fied by Doctor Treadwell, and two very small specimens, 3 

 mm. long, from S 4, where they seemed to be commensal in 

 the tubes of Amphitrite hrunnea. 



