446 ECHINODERMS OF THE BRITISH ISLES 



Tn. MoRTENSEN. Die Echinodermenlarven dor Plankton Expedition. 



Ergohn. d. Plankton Exp. II. J. 1898. 

 Echinodermenlarven. Nordisches Plankton. 1. Lief. ix. 1901. 

 Echinoidea, I-II. The Danish " Ingolf " Expedition, iv. 1-2. 1903-1907, 

 ttber Asteronyx Loveni M. Tr. Zeitschr. f. wiss. Zool. ci. 1912. 

 Die Echiniden der Mittelmeeres. Mitt. Zool. Stat. Neapel, xxi. 1913. 

 On the development of some British Echinoderms. J. Mar. Biol. Ass. 



X. 1913. 

 Notes on the development and the larval forms of some Scandinavian 



Echinoderms. Vid. Medd. Dansk Naturhist. Foren. Kobenhavn, 71. 



1920. 

 Notes on some Scandinavian Echinoderms. Ibidem, 72. 1920. 

 On Hermaphroditism in viviparous Ophiurids. Acta Zoologica, i. 1920. 

 Studies of the development and larval forms of Echinoderms. Copen- 

 hagen. 1921. 

 Pighiide (Echinodermer). Danmark's Fauna. 1924. 

 Echinodermes du Maroc et de Mauritanie. Bull. Soc. Sc. Nat. Maroc, v. 



1925. 

 Th. Mortensen and L. Kolderup Rosenvinge. Sur quelques plantes 



parasites dans des Echinodermes. Overs. K. Danske Vidensk. Selsk. 



Forhandl. 1910. 

 JoH. MuLLER, Abhandlungen liber Echinodermenlarven, i.-vii. Abhandl. 



d. Akad. d. Wiss. Berlin. 1846-1854. 

 tjber Synapta digitata u. iiber die Erzeugung von Schnecken in Holo- 



thurien. 1852. 

 JoH. MtJLLER and H. Troschel. System der Asteriden. 1842. 

 O. Fr. MiJLLER (and P. Chr. Abildgaard and others). Zoologia Danica, 



i.-iv. 1788-1806. 

 H. G. Newth. The early development of Cucumaria. Preliminary 



account. P. Z. S. 1916. 

 The early development of Astropecten irregularis, with remarks on 



duplicity in Echinoderm larvae. Quart. Journ. Micr. Sc. 69. 1925. 

 A. R. Nichols. A list of Irish Echinoderms. Proc. R. Irish Acad. 



xxiv. 1902. 

 Echinodermata. Clare Island Survey. Part 57. Proc. R. Irish 



Acad. xxxi. 1912. 

 A. M. Norman. On the genera and species of British Echinodermata. 



Ann. Mag. Nat. Hist. (3) xv. 1865. 

 Holothuria nigra Gray and its Synonymy. Ibid. (6) xii. 1893. 

 Cucumaria montagui (Fleming) and its Synonymy. Ibid. (6) xii. 1893. 

 Ophiopsila annulosa (M. Sars), a British Ophiurid. Ibid. (7) xvi. 1905. 

 A. M. Norman and T. Gw. Jeffreys. Last Report on Dredgings among 



the Shetland Islands. Rep. British Assoc. 1868. 

 Hj. Ostergren. Zur Kenntnis der Subfamilie S>Tiallactinae unter den 



Aspidochiroten. Festskrift for Lilljeborg. 1896. 

 tJber die Holothuriiden Norwegens. Bergens Mus. Aarbog. 1896. 

 tJber die Funktion der ankerformigen Kalkkorper der Seewalzen. 



Zool. Anzeiger, 20. 1897. 

 Zur Anatomie der Dendrochiroten, nebst Beschreibung neuer Arten. 



Ibid. 21. 1898. 

 Das System der Synaptiden. Ofvers. K. Sv. Vetensk. Akad. Forhandl. 



