— i09 — 



3i. Cleve (P. T.), Plankton researches in igoi and ig02, Bih. Svenska Vet. Akad. 

 Handl., vol. xxxvi, n° 8, 53 pp. Stockholm 1903. 



32. Cleve (P. T.), The Plankton of the African Seas, Part. 2, Vermes. Mar. investig. 



South Africa. iv. Cape Town 1905. 



33. Conant (F. S.), Description of tivo new Chœtognaths, Johns Hopkins University 



Circulars, xiv, n° 119, pp. 77-78. Baltimore 1895. 



34. Conant (F. S.), Notes on the Chœtognaths, Johns Hopkins University Circulars, xv, 



n° 126, pp. 82-85, 5 figures dans le texte. Baltimore 1896. 



35. Costa (A.), Di un nnovo génère di Chetognati, Annuario del Museo Zoologico d. 



Reale Università di Napoli ; v, p. 54-57 (publié en 1869). Napoli i865. 



36. Dahl (F.), Untersuchungen ûber die Thienvelt der Unterelbe, Sechst. Berich d. 



Kommission zur Wissensch. Untersuch. d. deutschen Meere, xvn-xxi, p. 149. 

 Chétognathes, p. 171. Berlin 1893. 



37. Darwin (C), Observations on the structure and propagation of the genns Sagitta, 



Annals and Magaz. Natural History, xn, p. 1-6. Traduit dans les Annales des 

 Sciences naturelles 3 e série, 1, p. 36o. Paris 1844. 



38. Delap (M. and C), Notes on the plankton of Valencia Harbour i8gg-igoi, Report 



Sea andlnland Fish. of Ireland, 1902 and 1903, part. 11, pp. 3-19. Dublin 1905. 



39. Doncaster (L.), On the development of Sagitta, with notes on the anatomj of the adult, 



Quarterly journal Microscop. Science, xlvi, p. 351-398, pi. 19 à 2i.Londonand 

 Edinburgh 1902. 



40. Doncaster (L.), Notes on the development of Sagitta, Proceed. Cambridge philosoph. 



Society, (v), 11, part. 4. Cambridge 5 février 1902. 



41. Doncaster (L.), Chœtognatha, ivith a note on the variation and distribution of the 



group ; in : Gardiner J. Stanley, The Fauna and Geography of the Maldive and 

 Laccadive Archipelagos, v, 1, part. 2. Chétognathes, p. 209-218, pi. xni, et fig. 39-40 

 (dans le texte). Cambridge 1902. 



42. Ehlers (E.), On the Vermes collectedby H. von Heuglin in the Sea of Spit^bergen, 



Ann. Mag. Natur. History, 4 e série, vin, pp. 53-6i. London 1881. 



43. Elpatievsky (W.), Die Entwickiiingsgeschichte der Genitalprodukte bei Sagitta, 



L Die Entivicklung der Eier, Biolog. Zs. Moskau ; 1, pp. 333-367. 3 pi. Moscou 1910. 



44. Fewkes (J. W.), Echinodermata, Vermes, Crustacea and Pteropod Mollusca, in : 



Greely (A. W.), Report on the Proceedings of the United States Expédition to 

 Lady Franklin Bay, Grinnel Land, vol. 11, Append. n° 1 33. London 1888. 



45. Fol (H.), Recherches sur la fécondation et le commencement de Y Hénogénie che\ divers 



animaux. Mémoires Société physique hist. natur. Genève, xxvi, pp. 35-38, 109-112 

 et 193-197, Sagitta Gegenbauri nov. sp. p. 123. Genève 1879. 



46. Fowler (G. H.), Contributions to our knoivledge of the Fœrœ-Channel, Proceedings 



of the Zoological Society of London, p. 991-996, 1 pi. London 1896. 



47. Fowler (G. H.),Biscafan Plankton, collected dnring a cruise of H. M. S. RESEARCH, 



igoo. Part. m. The Chœtognatha, Transact. of the Linnean Society of London, 

 2 e série, x, pp. 55-87, pi. iv-vn. London 1903. 



