724 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [2 6 J 



large, crowded, flesh-colored, determining the color of the body, in the 

 females, given above. 



In confinement they were very active, moving about rapidly, and 

 throwing themselves into coils, alter the manner oi Rhynclioholus. 



Length in contraction, 35—50'""'. 



Greatest diameter — l™"". 



They taper rapidly along a few of the anterior and posterior segments; 

 otherwise the diameter is uniform. 



Found sparingly, burrowing in the finest sand of the harbor; half- 

 tide to low water. 



Family ARICIID^. 

 AEICIA {Savigny) Audouin and M. Edward», 

 Aeicia ornata Verrill. 

 Invert. An. of Vin. Sound, etc., p. 596. 1874. 



Kot common. A few very fine large specimens were taken at extreme 

 low water, in sandy mud. 



SCOLOPLOS Orsted. 



SCOLOPLOS ROBUSTA. 



AntTiostoma roiustum Yr:i{Kii.i.. Op. cit.,p. 597,pl. xiv, fig. 76. 1874. 



"Wecster. Annel. Chiet. of the Virginian Coast, p. 258. 1879. 



All the specimens taken were small. Sand ; low water. 



SCOLOPLOS FRAGILIS. 



Anthoatoma fragile YKnnii.1.. Op. cit., p. 598. 1874. 



Webster. Anuel. Chset. of Virginian Coast, p. 258. 1879. Of New 

 Jersey, p. 121. 1880. 



Common, especially at Wellfleet. Sand ; low water. 

 Family OPHELIID^. 

 OPLILIA {Savigny) M. Edwardi. 

 Ophelia ldiacina Sars. 



Ammotrypane limacina H. Rathke. Nov. Act. Nat. Cur., vol. xxi, p. 190, pi. x, figs. 4-8. 

 1840. 

 Grube. Fam.der Ann., p. 70. 1851. 

 KoREX. Nyt. Mag., vol. ix, p. 94 (teste Malmgren). 

 Johnston. Cat. Brit. Mus., p. 217. 1865. 

 Quatrefages. Hist. Nat. des ^Vnn., vol. ii,p. 279. 1865. 

 Ophelia bioornia Orsted. Gronlands Annulata Dorsibranchiata, p. 32, figs. 104, 105, 116^ 

 116,121. 1843. 



