THE MOUNT DESERT EEGION 117 



E. CARNEUM Clarke. (Nutting-, 1900, p. 333, fig. 9.) Taken 

 once on rock bottom in 57 feet of water. The validity of 

 this species is questionable. Station : D 92. 



E. ALBUM Nutting. (Nutting, 1900, p. 334, fig. 11.) Taken 

 once with the preceding species. 



Pennariidae 

 AcAULis Stimpson 

 A. PRiMARius Stimpson. (Fig. 29.) (Stimpson, 1853, p. 10, 

 pi. 1, fig. 4; Allman, 1872, p. 378.) Taken on mud bottoms, 

 depths 35 to 150 feet. Stations: D 1, 18, 33, 36, 81; P lOB. 



Tubulariidae 

 TuBULARiA Linne 



T. CROCEA (L. Agassiz). (Nutting, 1900, p. 340, fig. 19.) 

 Taken on hard bottoms, from low water to 100 feet, most 

 common on wharf piles. Sexually mature about the end of 

 June. Stations : D 13, 29, 38, 68, 70, 92, 94, 96 ; S 4, 14, 24, 39. 



T. TENELLA (L. Agassiz). (Nutting, 1900, p. 339.) Taken 

 in similar situations to the preceding, from shore to 69 feet. 

 This is probably only a small variety of the last species. 

 Stations: D 14, 31, 4o"; S 4. 



Corymorphidae 



CoRYMORPHA ]\I. Sars 



C. PENDULA L. Agassiz. (Nutting, 1900, p. 337, fig. 15.) 



A common species on mud bottoms in 30 to 130 feet of water. 



Most common at depths of 50 to 100 feet. Stations : D 1-3, 



5, 29, 38, 45, 51, 61-63, 75, 83, 84, 94, 106. 



Suborder THECATA 



Haleciidae 

 Halecium Oken 

 H. beanii (Johnston). (Hincks, 1868, p. 224, pi. 43, fig. 2.) 

 Taken on rock and stone, depth 30 to 85 feet. Difiicult to 

 distinguish from the next in the absence of gonosomes. Sta- 

 tions : D 31, 44, 56. 



