40 SIDNEY P. HARMER. 



17. Harmee, S. F. — "On the British Species of Crisia," 'Quart Journ. 



Micr. Sci.,' xxxii, 1891, 134, &c. These ' Studies,' vol. v. 



18. Heckeet, G. a.. — " Unt. iib. d. Entwi'cklungs- und Lebensgeschichte d. 



Distomum macrostomuni," Leucisart and Chun's ' Bibiiotheca Zoolo- 

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19. JuLLiEN, J. — " Observations sur la Cristatella mucedo," 'Mem. Soc. Zool. 



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20. Kleinenbeeg, N. — " The Development of the Earfchworna, Luinbricus 



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21. Koeotneff, a. — "Die Kuospung d. Ancbinien," 'Zeits. f. wiss. Zool.,' 



xl, 1884, 50. 



22. Koeotneff, A. — "La Dolchinia mirabilis (nouveau Tunicier)," 'Mitt. 



Zool. Stat. Neapel.,' x. Heft 2, 1891, 187. 



23. Metschnikoff, E. — " Vergleichend-embryologische Studien," ' Zeits. f. 



wiss. Zool.,' xxxvii, 1882, 286. 



24. Metschnikoff, E. — " Embryolog. Stud, au Medusen," Wieu, 1886. 



25. OsTEOUMOFF, 0. — " Zur Entwickelungsgescliichte der cyclostomen See- 



bryozoen," 'Mitt. a. d. Zool. Stat, zu Neapel, vii, 1887, 177. 



26. Pfiouuo, H. — " Recherclies sur la Larve de la Flustrella hispida," ' Arch. 



Zool. Exp. and Gen.,' 2 ser., viii, 1890, 409. 



27. RuFFER, M. A. — "Immunity against Microbes," ' Quart. Journ. Micr. 



Sci.,' xxxii, 1891, 99 and 417. 



28. Salensky, W. — " Neue Uutersuch. iib. d. embryonale Entwicklung der 



Salpen," 'Mitt. Zool. Station zu Neapel,' iv, 1883, 90 and 327. 



29. Salensky, W. — "Beit, zur Eiiibryonalentwickluug der Pyrosomen," 



' Zoolog. Jahrbucher,' ' Abth. f. Anat. u. Ontog.,' iv, 1891, 424. 



30. Salensky, W. — Ibid., continued, ' Zoolog. Jahrb.,' ' Abth. f. Anat. u. 



Ontog.,' V, Heft 1, 1891, 1. 



31. Sedgwick, A. — "The Development of Peripatus capensis," Parti, 



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32. Seeligeb, 0. — " Die ungeschlechtl. Vermehrung d. Endoprokten Bryo- 



zoen," ' Zeits. f. wiss. Zool.,' xlix, 1889, 168. 



33. Seeligee, O. — "Beraerkungen zur Knospenentw. d. Bryozoeu," ibid., 1, 



1890, 562. 



34. Smitt, P. A. — " Om Hafs-Bryozoernas utveckl. och fettkroppar," ' Ofvers. 



af K. Vet.-Akad. Forhaudl.,' 1865, No. 1. 



35. UiiJANiN, B. — "Die Arteu d. Gattung Doliolum, &c.," 'Fauna and 



Flora G. v. Neapel,' x. Monog., 1884. 



36. Waters, A. W. — "Closure of the Cyclostomatous Bryozoa," 'Liun. 



Soc. Journ.,' " Zool.," xvii, 1884, 400, 



