22G BIOLOGICAL SUEA'EY OF 



Cyclopinae 

 Cyclops 0. F. Miiller 



C. (AcANTHOCYCLOPs) iNSECTus S. A. Forbes comb. nov. 

 (E. B. Forbes, 1897, p. 41, pi. 11, figs. 3-6.) In shallow water. 

 Stations: S 22 and the heath south of Salisbury Cove. 



Subtribe SIPHONOSTOMATA 



Artotrogidae 



Artotrogus Boeck 



A. ORBICULARIS Boeck. (G. 0. Sars, 1915, p. 133, pi. 78.) 

 Dredged on rock bottom, depth 70 to 90 feet. The species is 

 new to New England. Stations : D 20, 94. Four females 

 were taken on an encrusting bryozoan at D 153. These speci- 

 mens were apparently feeding on contents of the ovicells of 

 the bryozoan, SchizomaveUa miricidafa (Hassall). 



Tribe NOTODELPHYOIDA 



The two commensals of ascidians given below are the only 

 members of this tribe known from New England. 



Doropygidae 

 DoROPYGOPSis G. 0. Sars 



D, LONGiCAUDA ( AurivilHus) . (G. 0. Sars, 1921b, p. 47, pL 

 23.) Found rather sparingly in Ascidia callosa, the sexes 

 occurring together. Stations: S 11, 42. (At the latter station 

 an undetermined species of BotrjjUopJiihi.^ occurs in the same 

 host.) 



Enterocolidae 

 Cryptopodus Hesse 



C. AMARouci Blake. (Blake, 1929, p. 6, fig. 1.) Found in 

 Amaroucium glahrum and Didemnum albidum, dredged at a 

 depth of 20 to 68 feet. Stations : D 32, 56. 



