No. 104.] 137 



Fam. STLLID^. 



SYLLIS {Sav.) Ehlers. 

 Ehlers. Die Borstenwiirmer, p. 232. 1864. 



Stllis gracilis Grube. 



Syllis gracilis Grvbe. Actinien, Echinoderiuen und Wiiniier, p. 77. 1840. 



" " Caparede. Glanures Zootomiques parmi les Aunelides de Port- 



Vendres, p. 75, pi. v, fig. 3. 1804. Aunelides Chetopodes da 



Golfe de Naples, p. 503, pi. xv, fig. 3. 1868. 

 " " Marion AND BoBRETZKT. Aunelides du Golfe de Marseille; in An- 



nales des Sciences Xaturelles, 6th series, vol. ii. p. 23, pi. ii, fig. 



6. 1875. 

 " " Panceri. Catalogo degli Annelide, etc. Atti. Soc. Ital., vol. 



xviii, p. 520. 1875. 

 " " Webster. Annel. Chaet. of the Virginian Coast, p. 217. 1879. 



Only a few examples of this species were taken, it being far less 

 common than in Yirginia. 



ODOXTOSYLLIS aaparide. 



Glanures Zootomiques, etc., p. 94. 1864. 

 Beobachtungen iiber Anatomie, etc. 1863. 



OdONTOSYLLIS ? FULGURAN8 Clpcl. 



Odontosyllis fulgurans Claparede. Glanures Zocitom., etc., p. 95, pi. viii, fig. 1. 

 1864. 



" '* QuATREFAGES. Hist. Nat. des Annel., vol. ii, p. 648. 



1865. 



" " Marion AND BoBRETZKY, in Ann. des Sci. Nat., 6th se- 



ries, vol. ii, p. 40, pi. iv, fig. 2. 1875. 



" " Webster. Anuel. ChcCt. of the Virginia-i Coast, p. 220. 



1879. 



This species was not common. One very large adult male was 

 taken swimming on the surface. Its length was 22'°™ ; sexual sette 

 began on the 21.st segment ; existed on forty-two segments, fol- 

 lowed by thirty-three with the ordinary setae only. Other speci- 

 mens were taken on sandy and shelly bottom, 10-15 ft. For fur- 

 ther notes on this form, see Webster, 1. c, p. 220. 



GRUBEA {Quatr.) Clapa/rcde. 



QuATREFAGES. Histolre Naturelle der Anneles, etc., vol. ii, p. 85. 1865. 

 Claparede. Ann61. Ch6t. du Golfe de Naples, p. 516. 1868. 



Gkubea tenuicirkata Clpd. 



Sp7ia>rosyUis tenuicirrata Clpd. Glanures Zocitom., etc., p. 87, pi. vi, fiff. 2. 



1864. 

 Orubea tenuicirrata Clpd. Annel. Chet. du Golfe de Naples, p. 517. 1868. 

 " " Marenzeller. Zur Keutniss der Adriatischen Anueliden. 



Ausdem, Ixix. Bande der Sitzb. der K. Akad. der Wis. 

 sench, p. 29. 1874. 



[Assem. Doc. No. 104] 18 



