154 BIOLOGICAL SURVEY OF 



LITERATURE 



Agassiz, Alexander 1862 On alternate generations in annelids, and the embry- 

 ology of Autolytus cornutus. Boston Jour. Nat. Hist., vol. 7, pp. 392- 

 409, 3 pi. 



Andrews, E. A. 1890 Notes on the anatomy of Sipunculus gouldii Pourtales. 

 Stud. Biol. Lab., Johns Hopkins Univ., vol. 4, pp. 389-430, 4 pi. 



Beddard, F. E. 1895 A monograph of the order of Oligochaeta. Oxford: pp. 

 i-x, 1-769, 5 pi., 52 fig. 



Chamberlin, R. V. 1919 The Annelida Polychaeta. Mem. Mus. Comp. Zool., 

 vol. 48, pp. 1-514, 80 pi. 



1920 a Polychaeta. Rept. Canad. Arct. Exped., vol. 9, part B, 



pp. 1-41, 6 pi. 



1920 b Gephyrea. Rept. Canad. Arct. Exped., vol. 9, part D, pp. 



1-21, 1 pi, 



Ehlers, Ernst 1864-1868 Die Borstenwiirmer (Annelida Chaetopoda). 



Leipzig: Bd. 1, pp. i-xx, i-iv, 1-748, 24 pi. 

 Fatjvel, Pierre 1923 Polychetes errantes. Faune de France, no. 5, pp. 1-488, 



181 fig. 



1927 Polychetes sedentaires. Faune de France, no. 16, pp. 1-494, 



152 fig. 



Gerould, J. H. 1913 The sipunculids of the eastern coast of North America. 



Proc. United States Nat. Mus., vol. 44, pp. 373-437, 5 pi., 16 fig. 

 Malmgren, a. J. 1865 Nordiska Hafs-Annulata. Ofvers. kung. Veten.-Akad. 



Forh., 1865, pp. 51-110, 181-192, 355-410, 22 pi. 



1867 Annulata Polychaeta Spetsbergiae, Groenlandiae, Islandiae 



et Scandinaviae hactenus cognita. Helsingf orsia : pp. 1-127, 14 pi. 



MclNTOSH, W. C. 1900-1923 A monograph of the British marine annelids. 

 Ray Society: [vol. 1], part 2, pp. i-x, 215-444, 20 pi., 19 fig.; vol. 2, 

 part 1, pp. i-viii, 1-232, 22 pL, 24 fig.; vol. 2, part 2, pp. i-vi, 233- 

 524, 23 pi., 37 fig.; vol. 3, part 1, pp. i-viii, 1-368, 41 fig.; vol. 3, 

 part 2, pp. i-vi, 24 pi.; vol. 4, part 1, pp. i-^^, 1-250, 15 pi., 15 fig.; 

 vol. 4, part 2, pp. i-xii, 251-539, 14 pi., 24 fig. 



Michaelsen, "W. 1927 Oligochaeta. Tierwelt Nord-Ostee, Teil 6ci, pp. 1-44, 

 38 fig. 



Moore, J. P. 1905 a A new species of sea-mouse (Aphrodita hastata) from 

 eastern Massachusetts. Proc. Acad. Nat. Sci., 1905, pp. 295-298, 

 4 fig. 



1905 b Some marine Oligochaeta of New England. Proc. Acad. 



Nat. Sci., 1905, pp. 373-399, 2 pi. 



1908 Some polychaetous annelids of the northern Pacific coasts 



of North America. Proc. Acad. Nat. Sci., vol. 60, pp. 321-364, 4 fig. 



1909 The polychaetous annelids dredged in 1908 by Mr. Owen 



Bryant off the coasts of Labrador, Newfoundland, and Nova Scotia. 

 Proc. United States Nat. Mus., vol. 37, pp. 133-146. 



1918 The leeches (Hirudinea). Ward and Whipple: Fresh-water 



Biology, pp. 646-660, 14 fig. 



