Arenicola pusilla 1 1 5 



Arenicola claparedi [sic] 



Levinsen, Vid. Med. Naturh. Foren. Kjobenhavn (1883), p. 134 (Naples). 

 Horst, Notes Leyden Mus., xi (1889), p. 38, pi. iii, fig. 1 (gills, chaetae). 



Arenicola claparedii 



Ashworth, Q. J. Micr. Sci., xlvi (1903), p. 773; Mitt. Zool. Mus. Berlin, iv 



(1910), p. 349 (Ossero ; No. Japan) ; Proc. U.S. Nat. Mus., xxxix (1910), 



p. 11 (Aleutian Is. ; Vancouver; Huinboldt Bay, Gal.). 

 Ehlers, Zeits. Wiss. Zool., liii, Suppl. (1892), p. 246, taf. xiii, figs. 21-29. 

 Fauvel, torn. cit. (1899), p. 175. 

 Gamble and Ashworth, Q. J. Micr. Sci., xliii (1900), p. 423, etc., pi. xxiv, 



figs. 26-29 (Crescent City, Cal.). 

 Lo Bianco, Atti R. Accad. Sci. Fis. Mat. Napoli, v, ser. 2, no. 11 (1893), 



p. 9, tav. ii, fig. 3; Mitt. Zool. Stat. Neapel, xiii (1899), p. 484: xix 



(1909), p. 576. 



Arenicola claparedei [sic] 



Johnson, Proc. Boston Soc. Nat. Hist., xxix (1901), p. 421. 



Arenicola marina 



Child, Trans. N.Y. Acad. Sci., xvi (1898), p. 387 (Puget Sd.). 

 Claparede, Annel. de Naples (1868), p. 300. 



? Ehlers, Fests. K. Ges.Wiss. Gottingen (1901), p. 176 (Puerto Montt, Chile). 

 Jaquet, Mitt. Zool. Stat. Neapel, vi (1886), p, 347, taf. xxi, figs. 50, 51, 



57, 58. 

 Lo Bianco, Mitt. Zool. Stat. Neapel, viii (1888), p. 401. 



Arenicola marina, partim 



Ives, Proc. Acad. Nat. Sci. Philad. 1890 (1891), p. 74. 

 Marenzeller, Zool. Jahrb. Abt. Syst., iii (1888), p. 12. 



Arenicola piscatorum 



Grube, Insel Lussin u. Meeresfauna (1864), p. 87, (Ossero); ? Vid. Med. 

 Naturh. Foren. Kjobenhavn 1858, (1859), p. 120 (Callao). 



Arenicola piscatorum, partim 



? Delle Chiaje, 1 Descr. Anim. invert., iii (1841), p. 92; v, p. 100. 

 Grube, Anat. Phys. Kiemenw. (1838), p. 1 ; Act. Ech. u. Wuvnier d. 



Adriat. (1840), p. 66. 

 ? Schmarda, Neue wirbell. Th., i (1861), l te Half., p. xvii : 2 te Half., p. 52. 



Arenicola assimilis, partim 



Ehlers, Polych., in Hamb. Mag. Sarnmelreise, ii, 1 (1897), p. 104 

 (California). 



? Lumbricus marinus, partim 



Delle Chiaje, Mem. Anim. s. Vert., ii (1825), p. 423. 



? Chorizobranchus marinus 



Quatrefages, Hist. nat. Annel., ii, p. 267. 



Caudate Arenicola with nineteen chaetiferous segments ; thirteen 

 pairs of gills, the first, which is on the seventh segment, may be 

 small or absent ; gills usually of the pinnate type, but occasionally 

 bushy ; lateral lobes of the prostomium much larger than the median 

 lobe, and generally folded in their anterior portion ; neuropodia 



1 For comments on this record, see p. 144. 



I 2 



