226 MANUAL OF ZOOLOGY. 



28. " Ueber den Pentacrinus caput-Medusoe." J. Miiller. 1843. 



29. " Recherches sur les Crinoides du terrain carbonifere de la Belgique." 



De Koninck and Le Hon. 1854. 



30. "Development of Comatula. " Sir Wyville Thomson. ' Phil. Trans.' 



'1865. 



31. "The Depths of the Sea." Sir Wyville Thomson. 1873. 



32. " Notice of new living Crinoids belonging to the Apiocrinidse." Sir 



Wyville Thomson. 'Journ. Linn. Soc.,' vol. xiii. 1876. 



33. "On the Structure, Physiology, and Development of Antedon 



rosaceus." Dr W. B. Carpenter. ' Proc. Roy. Soc. ' 1876. 



34. "Anatomy, Physiology, and Development of Comatula." Dr W. B. 



Carpenter. 'Phil. Trans.' 1866. 



35. "The Crinoidea of the Lower Silurian Rocks of Canada." E. Bil- 



lings. 'Figures and Descriptions of Canadian Organic Remains,' 

 Decade iv. 1859. 



36. " Memoires pour servir a la connaissance des Crinoides vivants." M. 



Sars. 1868. 



37. "Anatomy of the Arms of Crinoids." 'Journ. Anat. and Phys.,' 



vols. x. and xi. P. H. Carpenter. 



38. "Anatomy of Pentacrinus and Rhizocrinus." 'Journ. Anat. and 



Phys.,' vol. xii. P. H. Carpenter. 



39. " On the Genus Actinometra. 'Trans. Linn. Soc.' 1877. P. H. 



Carpenter. 



40. " On the Oral and Apical Systems of Echinoderms. " 'Quart. Journ. 



Micro. Sci.,' vol. xviii. P. H. Carpenter. 



41. " Entwickelungs - Geschichte der Comatula Mediterranea." 'Arch. 



f. Mikr. Anat.,' vol. xiii. 1876. A. Gotte. 



CYSTOIDEA. 



42. " On the Cystidea of the Lower Silurian Rocks of Canada." E. Bil- 



lings. ' Figures and Descriptions of Canadian Organic Remains, ' 

 Decade iii. 1858. 



43. " Notes on the Structure of the Crinoidea, Cystidea, and Blastoidea." 



E. Billings. 'Palaeozoic Fossils,' vol. ii. 1874. 



44. "Ueber Cystideen." Von Buch. 1845. (Translated in 'Quart. 



Journ. Geol. Soc. Lond.' 1845.) 



BLASTOIDEA. 



45. "Monographic der fossilen Krinoideen - Familie der Blastoideen. " 



Ferdinand Roemer. 1851. 



(See also the works by Billings quoted above.) 



HOLOTHUROIDEA. 



46. "Forms of Animal Life." G. Rolleston. 1870. (For anatomy of 



Cucttmaria pentactes, pp. 145-158.) 



47. " Reisen im Archipel der Philippines" C. Semper. 1868. 



48. " Beitrage zur Anatomic und Systematik der Holothurien. " ' Zeitschr. 



f. Wiss. Zool.' E. Selenka. 1867-68. 



