190 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 10 



Dorvillea cerasina (Ehlers) 



Stauronereis cerasina Hartman, 1940, p. 214, pi. 34, figs. 38-41. 

 ? Stauronereis angolanus Monro, 1933, p. 93. 



Collections.— A9^-?>6 (5); 639-37 (1); 662-37 (1); 683-37 (2) ; 

 728-37 (1); 1101-40 (2) ; A 7-39 (1);A 15-39 (2). 



Distribution. — Tropical eastern Pacific and West Indian region; in- 

 tertidal to depths of 15 fms. 



Dorvillea moniloceras (Moore) 



Stauronereis moniloceras Moore, 1909, pp. 256-259, pi. 8, figs. 24-29; 



Treadwell, 1914, p. 197; Hartman, 1938, p. 100, fig. 45. 

 Berkeley, 1927, pp. 410-411. 



Collection. — Moss Beach and Pacific Grove, California, shore (3). 



Colors in life are as follows: the prostomium, tentacles, and para- 

 podia are white; the 4 eyes are black; the peristomium has dorsally 2 

 transverse red bands separated by a narrow white stripe; each of the 

 succeeding segments is white with 2 conspicuous transverse red bands 

 alternating with the white stripe. 



The prostomium is truncate to broadly rounded in front ; at its post- 

 erior margin it is united to the peristomium medially by a narrow fold, 

 but there is no distinct nuchal papilla. The parapodia are conspicuous, 

 fleshy, the superior portion of the neuropodium longer than the inferior 

 part (Hartman, 1938, fig. 45). Simple forked setae are absent. 



Berkeley (1927, p. 410) referred some individuals from Nanaimo, 

 British Columbia, to this species with some doubt, considering them pos- 

 sibly the same as D. vittata (Grube). The latter, as red escribed by 

 Treadwell (1921, pp. 123-125), appears to have diiiferently propor- 

 tioned parapodia and composite hooks with longer appendages. Monro 

 ( 1933, p. 92) thought it perhaps a variety of D. rudolphii (delle Chiaje), 

 but the latter is provided with simple forked setae. 



Distribution. — California; ?Nanaimo, British Columbia (Berkeley). 

 Intertidal, among red coralline algae. 



Dorvillea rubrovittata (Grube) 



Staurocephalus rubrovittatus Fauvel, 1923, pp. 445-446, fig. 177. 



Collection. — A 12a-39 (1). 



Distribution. — In so far as I am aware, this has remained unreported 

 from the Western Hemisphere; the single record is from the Caribbean 

 Sea. 



