[19] ANNELIDS OF PROVINCETOWN, MASS. 717 



The body is widest in tlie middle ; the length and width of the median 

 segments are about equal ; length of the anterior segments much less 

 than the width. 



Body gray or flesh color.- According to the notes made on the living 

 forms, one specimen had dark red eyes 3 another black eyes. 



Length of largest specimen, 7"". 



Number of segments, 44. 



In confinement very sluggish, not at all inclined to move about. 



From low water to 25 fathoms ; sand and shells. 



AUTOLYTUS {Gruhe) Marent^ller. 



AUTOLYTUS COENUTUS A. Agassiz. 



A. Agassiz. Journal Boston Society Nat. Hist., vol. vii, p. 392, plates 9-11. 1863. 

 Verrill. Invert. Animals of Vin. Snd., etc., p. 590, pi. xii, figs. 65, 66. 1874. 



Wellfleet, low water, in sand. 

 Provincetown, 25 fathoms, sand and shells. 

 Not common. 



NERILLA Schmidt. 



(Family not determined.) 



Nerilla antennata Schmidt. 



Nerilla antennata Schmidt. Reise nach der Fiiror, p. 38, pi. iii, figs. 8, 8a. 1848. 



Grube. Fam. der Ann., p. 62. 185G. 



Clapar^de. Beobachtungen, etc., p. 48, pi. xii, figs. 16-20. 1863. 

 Dujardinia antennata Quatrefages. Hist. Nat. des Annel^s, vol. iii, p. 69. 1865. 



We found this species quite abundant in sand at low water. It is 

 unquestionably Schmidt's species. 



Family NEREIDS. 

 NEREIS (L.) Cuvier. 

 Nereis virens Sars. 



Nereis virens Sars. Beskrivelser og Jagttagelser, p. 58, pi. 10, fig. 27. 1835. 

 Nereis grandis Stimpson. Marine Invertebrata of Grand Manan, p. 34, fig. 24. 1853, 

 Nereis YanMana Quatrefages. Histoire des Anne]6s, vol. i, p. 153, pi. 17, figs. 7-8. 



1865. 

 Atitta virens Kinberg. Annnlata Nova, p. 172. 1865. 



Malmgren. Nordiska Hafs-Anuulater, p. 183, et Annnlata Polychseta, 

 p. 56, pi. iii, fig. 19. 18G7. 

 Nereis virens Ehlers. BorstenwUrmer, p. .5,59, pi. xxii, figs. 29-32. 1868. 



Verrill. Invert. Animals of Vineyard Sound, p. 590, pi. xi, figs. 47-50. 



1874. 

 W^EBSTER. Annel. Cbaet. of the Virginian Coast, p. 235. 1879. 

 TuRNBULL. Anatomy and Habits of. Trans. Connecticut Academy, vol. 

 iii. 1865. 



