114 BULLETIN OF THE 



Beneden, P. J. Van (continued). 



Ucber Zwei Larveu von Ecliinodcrmen. Froriep's Tagsb. Fortschr. Nat. u. 

 Heilk., I. p. 257. 1850. Suiuc as above. 



Bergh, R. S. 



Bidnig til Opfattelscn af Kls^viiing og Kimbladdaiinelse lios Echiiiidn-iie. 1879. 

 Vidcnsk. MedJel. naturh. Forcn. Kjobaiiham, jip. 255-2G4'. 1879-80. 

 (p. 7, fig. of Gastrula of Psanimcchinus miliaris.) 

 Billings, E. 



Note on Letkia mirabilis Gray, by S. Loven, comiuunicatcd by C. F. LOt- 

 KKN. Ccm. Nat. Geol. (n.'s.), 111. pp. 4d.2-i45. 5 figs. 1868. 

 (For rep]}', see p. 125, Lutken, " Hyponome Sarsi." 



Note on Hypononie Sarsi, described by S. Lovkn, by C. F. LOtken. Can. 

 Nat. Geol. (n. s.), IA' . p. 270. 1869. 



Notes on the Structure of the Crinoidea, Cystidca, and Blastoidea. Amer. 

 Journ. Set. [2], XLVII. p. 353, XLVIII. pp. fiO-SS, XLIX. pp. 51-58, 

 L. pp. 225-240. 1869-70. Ann. Mag. Nat. lEst. [4], V. pp. 251-266, 

 409-416; [4], VII. pp. 142-15S. 1870-71. Can. Nat. Geol. [2], IV. pp. 

 277-293, 426-433 ; [2], V. pp. 180-198. 1869-70. 



(Refers to young stages of Echinodenns for comparisons.) 



Bronn, H. G. 



Klassen uud Ordnungen des Thier-Rcichs, Stral]lentliiere, II. (Actinozoa.) 

 Leipzig u. Heidelberg, 1860. 434 pp., 49 pi. and cuts. 



(Chapters on the development of the different orders of Echinoderms.) 



Brooks, W. K. 



Handbook of Invertebrate Zoology for Laboratories and Seaside Work. Bos- 

 ton, 1882. viii. 4- 392 pp., 202 figs. 



XIV. pp. 99-139. The Embryology and Metamorphosis of Echinoderms. — 

 Figs. 43-77. development of Arbaeia, by W. K. Bkooks, H. Gakman, 

 and B. P. CoLTON. — Figs 78-S3. Brachiolaria and Young Starfish by 

 E. B. Wilson. 



Busch, Wilhelm. 



Beobachtungen ucber Anatomic und Entwiekelung einigcr Wirbellosen See- 



thicre. 143 pp., 17 pi. Berlin, 1851. 

 p. 76. Ecliinodcrmen Entwiekelung. 



(Stages of Echinaster, Asteracanthion, Comatula, Echinocidaris, PI. XII., XIII. 

 XIV.) 



Carpenter, P. Herbert. 



On Some Points in the Anatomy of Pentacrimis and Rhizocrinus. 1877. Journ. 

 Anal. ^ Fhysiol., XII. ])p. 35-53. 1878. 



