NO. 3553 POLYCHAETES — PETTIBONE 6 



July 12, 1945, Barraclough, collector (selected as type material by 

 E. Berkeley). Metatype, USNM 32S51, Deep Bay, Maple Point, 

 British Columbia, 20 fms., August 1934, commensal form (specimen 

 in 2 pieces, selected as type material by E. Berkeley) . 



Malmgrenia nigralba E. Berkeley 



Mahngrenia nigralba E. Berkeley, 1923, p. 213, figs. 5-7.— E. and C. Berkeley, 



1948, p. 10. 

 Malmgrenia lunulata (Delle Chiaje) .— Pettibone, 1953, p. 25, pis. 10, 11. 



Type material: Syntypes, USNM 32875 and 32876, Piper's Lagoon, 

 Vancouver Island, British Columbia, sand bed, very low tide, June 

 20, 1920, 3 specimens (anterior piece of 17 segments and posterior 

 piece of 22 segments; 2 anterior pieces of 14 and 16 segments and 

 2 middle pieces of 9 and 19 segments). Syntypes, BMNH 1935. 

 12.19.33/35, Piper's Lagoon, Vancouver Island, British Columbia. 



Family Pareulepidae 



Eiilepethus mexicunus E. and C. Berke3ey 



Eulepethus mexicanus E. and C. Berkeley, 1939, p. 328, figs. 4-7. 

 Pareulepis fimbriata (Treadwell) .— Hartman, 1959, p. 123. 

 Mexieulepis mexicanus (E. and C. Berkeley).— Rioja, 1961, p. 237. 



Type material: Holotype, USNM 32893, Isle Grande Bay, Mexico, 

 6 fms., fine sand, Apr. 8, 1937, W. Wilhams, collector, M. S. Stranger. 



Family Sigalionidae 



Sigalion letvisii E. and C. Berkeley 



Sigalion lewisii E. and C. Berkeley, 1939, p. 326, figs. 2, 3. 

 Eusigalion lewisii (E. and C. Berkeley) .—Hartman, 1944a, p. 13. 

 Thalanessa lewisii (E. and C. Berkeley) .—Hartman, 1959, pp. 119, 122. 



Type material: tlolotype, USNM 32896, Espiritu Santo Island, 

 Gulf of California, 24°22' N., ll"!!' W., 11 fms., bottom of coraUine 

 algae, coral and shell, Apr. 18, 1937, F. E. Lewis, coUector, Mb. 

 Stranger (specimen in 2 pieces). Paratype, BMNH 1938. 11.29.4, 

 Espiritu Santo Island, Gulf of California. 



Sthenelanella atypica E. and C. Berkeley 



Sthenelanella atypica E. and C. Berkeley, 1941, p. 26, pi. 5, figs. 1-3. 



Type material: Syntypes, USNM 32849 and 32850, off Corona 



del Mar, Calif., 12-17 fms., July 21, 1937, G. E. MacGinitie, collector, 



2 specimens (1 complete, 1 incomplete posteriorly, with pharynx 



extended). Syntypes, USNM 32848, off Balboa, Caht , November 



and December 1932 and February 1933, G. E. MacGimtie, coUector, 



33 specimens. , „ i o ^ • 



Remarks: Hartman (1961, p. 54) questionably referred S'. atypica 



to Sthenelanella unifomiis Moore, 1910. 



